13 Best FREE Auto Dialer Software (2025)

An auto dialer is a software application that uses lists of phone numbers to automatically dial, leave messages, or request data from customers or leads. Depending on your needs, you can select different types of auto dialers that are the best fit for your business. Auto dialers tools are mostly used for the repeated and boring task, which might take a lot of time and reduce call agents’ productivity. You must select this tool wisely because a poor quality auto-dialer may not be user-friendly, lack useful features, etc.

To help you out I have dedicated 100 hours to research and evaluated 35+ best free auto dialer software options. Below is my carefully selected list of the best auto dialer app & software providers for your business, featuring both free and paid software. This trusted and well-researched article includes their popular features, pros and cons, and pricing. This review will help you uncover the perfect solution. Read the full article to gain comprehensive and credible insights. Read more…

Best Free Automated Calling Software & App: Top Picks!

Name	Client OS	Deployment	Free Trial	Link
👍 Zoho Voice	Android, iOS	Cloud	15-Days Free Trial	Learn More
👍 Zoom Phone	Windows, macOS, and Linux.	Cloud	Lifetime Free Basic Plan	Learn More
Ultatel	Mac, Windows, iOS, and Android	Cloud	30-Day Refund Policy	Learn More
Tresta	Mac, Windows, iOS, and Android	Cloud	7-Days Free Trial	Learn More
RingCentral	Mac, Windows, Linux	Cloud	14-Days Free Trial	Learn More

1) Zoho Voice

I tested Zoho Voice, a cloud-based VoIP phone software that manages business calls from any device or location. It allowed me to get local, toll-free, or international virtual phone numbers and port existing numbers. This VoIP software has a softphone and web application and makes and receives calls from any device.

Features:

• Working Hours Management: It can define time zone-specific working hours for each phone number effectively. Hence, your customers will not be disappointed by reaching out to unavailable numbers. 
• Call Tracking: I could access call records and gain insights by viewing the call logs of specific contacts. These reports ensured that I had all the information about daily calls. 
• Contact Management: The contact module lets you import, centralize, and manage contacts in bulk effortlessly.
• Bulk Messaging: It helped me send promotional messages to multiple customers at once to ensure broad communication.
• Live Call Notes: The call notes feature allowed me to take key points of my conversations during a live call.
• CRM Integrations: Its integrations include Zoho CRM, Zoho Begin, and Zoho Desk, offering seamless connectivity.
• Local Numbers Availability: I received local Numbers in the US, Canada, Germany, France, UK, Netherlands, Sweden, and more.
• Multiple Numbers: It provides multiple numbers for different requirements.
• Virtual Phone Number Types: Types of virtual phone numbers include business, local, international, toll-free, and personal options.

👉 How to get it Free?

• Go to Zoho Voice
• Click on the “Sign Up” button to Get a 15-day free trial (No credit card required).

Visit Zoho Voice >>

15-Days Free Trial

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2) Zoom Phone

Zoom Phone is a phone service provider for voice calls, video calls, texting, and more. I evaluated Zoom Phone and found out that it offers virtual business numbers to keep business and personal calls separate. The best thing about this intuitive VoIP service provider is its scalability and customization options.

This phone system provides high-quality sound to ensure clear and professional communication. I could manage voicemail from any device with notification and voice message transcription

Features:

• Voicemail: Managing my voicemail from any device was easy through notification and voice message transcription. At times when I could not listen to the voicemails, Zoom Phone provided me with exact transcriptions to read.
• VoIP and Wi-Fi Calling: It allowed me to use VoIP and Wi-Fi to make calls when the cellular reception was poor. Hence, all my clients experienced uninterrupted services. 
• Call features: Zoom Phone supports routing, conference, call parking, forwarding, call blocking, recording, and call transfer.
• Recording Feature: This solution allowed me to record meetings locally or to the cloud with searchable transcripts.
• Comprehensive Call Support: It supports phone to report telephony issues, including dial-in or call-me problems, providing a full suite of call management features.
• Collaboration: Zoom helps businesses collaborate and build conference rooms that allow interactive meetings and teamwork.
• Type of Phone Numbers: It offers toll-free, local, and virtual service numbers, catering to diverse communication requirements.
• OS Compatibility: I found it compatible with Mac, Windows, and Linux.

👉 How to get it Free?

• Go to Zoom
• Try Free Basic Version of Zoom.

Visit Zoom >>

Lifetime Free Basic Plan

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3) Ultatel

Ultatel is a leading cloud-based auto dialer and unified communications solution that’s designed to streamline your call workflows and maximize agent productivity. In my experience, Ultatel’s seamless CRM integrations and AI-powered analytics set it apart for anyone serious about improving sales or support outreach. If you’re considering a new auto dialer, I highly recommend booking a demo to explore Ultatel’s capabilities.

Features:

• CRM & App Integration: I found it easy to connect Ultatel with major CRMs and business tools, making contact syncing and call logging completely seamless.
• Personalized Virtual Numbers: Ultatel lets you provision local or toll-free numbers for your teams, so you can reach out to leads with numbers that inspire trust and boost answer rates.
• AI-Powered Analytics & Call Transcription: Every call can be recorded, transcribed, and analyzed for sentiment and quality, which helps continuously improve campaign performance.
• Advanced IVR & Auto Attendant: The customizable IVR menus help automate call routing and customer responses, reducing manual handling and speeding up resolution times.
• Real-Time Call Monitoring & Live Dashboard: Supervisors can track campaigns and call performance in real time, which is vital for large-scale outreach and compliance.
• Unified Communications: I appreciated the ability to manage voice, text, chat, and video from a single interface, making follow-ups easier.
• Mobile & Desktop Softphone Access: With the Ultatel Hub app, agents can dial out or receive calls from anywhere—perfect for hybrid or remote teams.
• Enterprise-Grade Security: All communications are protected with strong encryption and compliance features, so sensitive data stays safe.
• Microsoft Teams Integration: If your team uses Microsoft Teams, Ultatel’s direct routing and calling integration means you can handle auto-dialer tasks within your regular workflow.
• Flexible Deployment: As a cloud-based system, setup is fast and there’s no need for complicated hardware or on-premises maintenance.

👉 How to get it Free?

• Go to Ultatel’s website.
• Request a demo or explore available trial options to see how it can work for your business.

Visit Ultatel >>

30-Day Refund Policy

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4) Tresta

Tresta is a comprehensive business phone system that provides advanced auto dialer capabilities for modern businesses. I reviewed this tool and found that it offers powerful call automation features that maximize outbound calling efficiency. During my research, I noticed that it supports Mac, Windows, iOS, and Android platforms.

Features:

• Smart Auto Dialing: It provides intelligent auto dialing capabilities that automatically dial numbers from contact lists, thus ensuring maximum agent productivity and call connection rates. As per my experience, this feature significantly reduced manual dialing time.
• Local and Toll-Free Numbers: Its extensive phone number options allowed me to obtain local and toll-free numbers across multiple regions, helping establish a professional presence in different markets.
• Call Recording and Analytics: The comprehensive call recording and analytics features provide detailed insights into call performance and agent productivity.
• CRM Integration: Tresta seamlessly integrates with popular CRM systems, allowing for streamlined contact management and call tracking.
• Real-Time Call Monitoring: The real-time call monitoring and reporting provide insights to help me track campaign performance and optimize calling strategies.
• Multi-Device Support: Its multi-device compatibility ensures agents can make calls from desktop, mobile, or tablet devices with consistent functionality.
• Voicemail Management: Advanced voicemail features with transcription and automated follow-up capabilities enhance communication efficiency.
• Call Routing and Distribution: It offers intelligent call routing and automatic call distribution to ensure calls reach the right agents at the right time.

👉 How to get it Free?

• Go to Tresta
• Click on the “Try Free” button to sign up for 7-day free trial.

Visit Tresta >>

7-Days Free Trial

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5) RingCentral

RingCentral has all the tools you need to manage your call center. I reviewed this tool and found that the auto-dialing feature maximizes the productivity of outbound calls. During my research, I noticed that it supports Mac, Windows, and Linux platforms.

Features:

• Uptime Guarantee: It provides a 99.99% uptime guarantee, thus ensuring reliable and continuous service for your operations. As per my experience, I did not encounter any downtime during the research process. 
• Custom Campaign Management: Its custom campaign management allowed me to tailor marketing strategies according to my specific business needs. This helped me streamline and optimize my marketing efforts efficiently.
• Data Integration: Its data integration seamlessly combines information from various sources into a unified system.
• Voicemail: Voicemail capabilities provided me with great convenience. Thus ensuring I never missed important messages.
• Real-Time Reporting and Analytics: The real-time reporting and analytics provide insights to help me monitor and improve campaign performance.
• TCPA Compliance: Its safe dial features TCPA compliance. This helps you avoid legal issues and ensures secure calling practices.
• Progressive Dialer: The progressive dialer feature is great for increasing agent efficiency and connecting more calls.
• Other Features: It offers call recording, contact list management, campaign controls, and call center management tools for better operations.

👉 How to get it Free?

• Go to RingCentral
• Click on the “Try Free” button to sign up for 14-day free trial.

Visit RingCentral >>

14-Days Free Trial

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6) Nextiva

During my analysis, I discovered that Nextiva is an excellent choice for virtual phone systems. You can start audio and video calls with a single click. Using Nextiva, I received a local toll-free number, and I could send voicemail alerts via email. It also helps you receive SMS and text messages from your mobile app easily. This makes it perfect for those needing multiple numbers and WhatsApp support for both local and international purposes.

Features:

• Customer Information Display: I could find out the customer’s information when they called, thus providing valuable context for my interactions.
• Automatic Client Feedback: You can automatically get feedback from your clients. This helped me improve services based on real-time insights.
• Centralized Communication Management: All your communication and data can be managed centrally, thus ensuring streamlined operations and efficiency.
• Customer Interaction Tracking: You can track the interaction of a customer with your business. Hence offering insights into customer behavior.
• Real-time Data: This VoIP tool provides a real-time view of your clients at an individual level for personalized service.
• Online Fax and Messaging: It allowed me to send an online fax, text message, and SMS, enabling versatile communication options.
• Professionally Recorded Greetings: Nextiva offers professionally recorded greetings, hence ensuring a polished and professional first impression for callers.
• Call Management Features: It supports call forwarding and call routing and helps you manage incoming calls effectively.
• Local Numbers Availability: I received local numbers from Canada, the United Kingdom, the United States, and Puerto Rico for expanded reach.

👉 How to get it Free?

• Go to Nextiva
• Purchase any plan. I recommend you buy the cheapest one.
• Claim a refund under their 30-day no-questions-asked money-back guarantee.

Visit Nextiva >>

30-Days Money-back Guarantee

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7) CallHippo

CallHippo is an easy-to-use virtual phone system. I analyzed this program and discovered that it helps you improve your customer support. I particularly liked that you can also use CallHippo to analyze employee productivity.

Features:

• Easy Setup: It helped me set up my phone system easily, simplifying the entire process. The setup and configurations are straightforward, so it is also beginner-friendly. 
• Multiple Telephony Providers: CallHippo offers multiple telephony providers before placing a call, thus giving you various options to choose from.
• Optimal Call Timing: I could know the right time to call my international clients. Hence, this ensures effective communication.
• Call Recording and Analytics: CallHippo provides a call recording and analytics facility to monitor and improve call performance.
• Country-Specific Phone Selection: This application helped me select a phone according to the country, therefore, ensuring compliance and convenience.
• Department-Specific Numbers: This autodial software offers a unique number for different departments, organizing your communication channels.
• Deployment Options: As per my observation, deployment can be on the cloud or on-premises, offering flexibility according to your needs.
• OS Compatibility: I found it compatible with Mac, Windows, and Linux, ensuring broad usability across different systems.

👉 How to get it Free?

• Go to CallHippo
• Try CallHippo for 10 days free with no credit card required.

Visit CallHippo >>

10-Days Free Trial

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8) Ooma

Ooma is an online virtual number service provider. I tested this tool and found out that it offers voicemail and automatic call distribution. Ooma allows you to receive calls on your phones. This software can be set up quickly. During my research, Ooma Office Phone allowed me to port my current number easily. It also offers multiple numbers and WhatsApp support for both local and toll-free numbers purposes.

Features:

• No Software Required: I could use it without any software, and it allowed me to block any call easily. Additionally, you don’t need to have a SIM card to use it. 
• Cloud Integration: This free VoIP number tool is integrated with a cloud voice and business app for seamless functionality. Hence, it is also suitable for businesses of all sizes. 
• Local and Toll-Free Numbers: It provides a local and toll-free number of your choice, thus enhancing your business reach.
• Call Transfer and Virtual Fax: I could transfer my incoming call to another Ooma office phone, and the app also offers one virtual fax service.
• Smartphone Call Management: It allowed me to manage my phone calls from a smartphone. Hence, I received great flexibility and convenience.
• Call Features: It supports call conferencing, call forwarding, call routing, and call recording to streamline communication.
• Local Numbers Availability: I could get local numbers in Canada, Mexico, China, the United Kingdom, India, and 55+ more countries.
• 24/7 Customer Support: Ooma provides 24/7 customer support, hence making sure that the help is always available when needed.

👉 How to get it Free?

• Go to Ooma
• Purchase any plan. I recommend you buy the cheapest one.
• Claim a refund under their 30-day money-back guarantee for the Ooma Office or Mobile plan.

Visit Ooma >>

30-Days Free Trial (30-day money back guarantee)

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9) PhoneBurner

I checked out PhoneBurner, which is an excellent auto dialer service. It helps you integrate with CRMs like Zapier, Salesforce, and HubSpot. It suits many needs, from inbound calls to telemarketing. I found that it is deployed on the cloud and supports Mac, Windows, and Linux.

Features:

• Follow-Up Support: Its SMS and email support for follow-ups provided me with timely and effective communication with clients.
• Real-Time Reporting: This web-based dialer offers real-time reporting and analytics to monitor campaign performance. Hence, you can see the areas that need improvement.
• Virtual Number Setup: I could set up virtual numbers based on local area codes, hence enhancing my local presence.
• Voicemail Recognition: It has voicemail recognition for better call handling and automated post-call information processing.
• Campaign Management: This auto-call software offers a feature of campaign management to streamline your marketing efforts.
• Web-Based Administration: Its web-based administration allowed me to manage my system from anywhere with Internet access.
• Comprehensive Call Features: I received other features such as call recording, contact list management, campaign controls, and call center management tools for efficiency.

👉 How to Get it Free?

• Go to PhoneBurner
• Select “Start Free Trial” to register and enjoy a 90-day free trial without needing a credit card.

Visit PhoneBurner >>

90-Days Free Trial

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10) Vonage

I evaluated Vonage, a reliable cloud-based VoIP service with over 50 features and integrated solutions. It provides voice, SMS, fax, team messaging, and video meetings. This tool also offers an intuitive video collaboration solution for your organization. I suggest Vonage as it prioritizes your communication traffic for optimal quality and performance. As per my research, it also offers multiple numbers and WhatsApp support.

Features:

• Global Reliability and QoS: Vonyage offers 99.999% global reliability and Quality of Service (QoS) for seamless and uninterrupted communication.
• Video Meetings Scheduling: I could schedule video meetings from my calendar and send unlimited team messaging for effective collaboration.
• Universal Connectivity: It allowed me to connect virtually from anywhere, anytime, with desktop and mobile apps on Android and iOS.
• Comprehensive Integrations: I could seamlessly integrate it with Salesforce, Microsoft Teams, Microsoft Dynamics, Office 365, G Suite, ZohoCRM, and more.
• Local Numbers Availability: You get local numbers in over 60 countries, including Canada, China, Hong Kong, India, Malaysia, and the United States.
• Virtual Phone Number Types: I received business phone or toll-free numbers to suit various professional needs and enhance my customer communication.

👉 How to get it Free?

• Go to Vonage
• Purchase any monthly plan. I recommend buying the cheapest one to test the services.
• Claim a refund under Vonage for Home 30-day money-back guarantee.

Visit Vonage >>

14-Days Free Trial

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11) EngageBay

EngageBay is an Autodialer tool that combines marketing, sales, and CRM tools in one package. I reviewed this predictive dialer, and it allows you to make a single call or set up a series of calls for many contacts. You can also wrap up calls easily. During my research, I found that its deployment is an on-premises client OS, which includes web, Android, and iPhone.

Features:

• Outbound Calls and Missed Call Alerts: I could make outbound calls and receive alerts for missed calls, thus ensuring I never missed any communication.
• Call Center Optimization: It helps you optimize call center operations. Thus enhancing efficiency and reducing operational costs.
• Agent Productivity: This VoIP increases call agent’s productivity by streamlining workflows and providing essential tools.
• Marketing Campaign Management: This feature allows you to manage multiple marketing campaigns, thus offering flexibility and control over your strategies.
• Call Detail Memory: I noticed that this feature makes it easier for agents to remember details regarding past calls. Therefore improving customer interactions.
• Real-Time Performance Monitoring: It allowed me to monitor performance in real-time, hence allowing timely adjustments for improved results.
• Lead Conversion: This phone dialer helps you convert more leads by optimizing call strategies and follow-ups.
• Call Recording and Playback: Its call recording and playback features allowed me to review and analyze conversations for quality assurance.

👉 How to Get it Free?

• Go to EngageBay
• Select “Free Sign Up” to access a lifetime basic plan at no cost and take advantage of the free demo.

Visit EngageBay >>

Lifetime Free Basic Plan

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12) Convoso

Convoso is an autodialer that automates lead follow-up, boosts contact rates, and increases ROI, all while staying compliant. I analyzed this tool and discovered that it is designed for higher conversion with fewer leads and to manage the productivity of remote agents. I particularly liked that Convoso helps maintain compliance while boosting productivity.

Features:

• Boost Contact Rates: It helped me access an auto-dial software that boosts contact rates by 30%, enhancing my outreach efficiency.
• Remote Agent Productivity: This tool allowed me to manage the productivity of remote agents, thus ensuring effective oversight and performance.
• Lead Conversion Efficiency: This automatic dialing software helps you convert more leads with fewer efforts, hence increasing efficiency.
• Real-Time Profitability Insights: It provided me with real-time insights into list profitability, thus helping you make informed decisions and strategies.
• Cloud Deployment: Its deployment is cloud-hosted, providing flexibility and scalability for your business needs.
• Web-Based Client OS: The client operating system is web-based. This offers accessibility from any internet-enabled device.

👉 How to Get it Free?

• Go to Convoso
• Click on “Let’s Set Up a Demo” to book your live demonstration session.

Visit Convoso >>

Schedule a live demo

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13) Exotel

Exotel is a top auto-dialer that integrates with many tools to improve your call-handling process. I evaluated Exotel and found that personalized Exotel phone numbers help you convert more leads using caller ID. My advice is to request a demo to find out more about its usage. 

Features:

• App and Service Integration: I could integrate with tons of apps and services, thus providing seamless connectivity and enhanced functionality.
• Personalized Virtual Numbers: It allowed me to set up personalized virtual telephone numbers. This adds convenience and allows customization.
• Enterprise-Level Security: I received great enterprise-level security to protect my data and ensure safe communication.
• Interactive Voice Response: Its interactive voice response support helped me automate call handling and improve customer interaction efficiency.
• Flexible Deployment: Its deployment options include cloud and on-premises, hence providing flexibility based on your business needs.
• Cross-Platform Client OS: I found it compatible with Mac, Windows, and Linux, ensuring broad usability across different operating systems.

👉 How to Get it Free?

• Go to Exotel
• Click “Try For Free” to register and begin a 7-day free trial.

Visit Exotel >>

7-Days Free Trial

Other Top Auto Dialer Software

• 1) CallHub is an enterprise-grade auto dialer solution with call center software, voice broadcasting software, and SMS marketing software. It is a popular choice for political campaigns and nonprofit organizations in 200+ countries across the globe.
• 2) Ameyo offers a comprehensive end to end auto dialer experience. It provides an omnichannel contact center and a CRM in a single platform. It also eliminates gaps in the customer engagement market. It offers full-fledged seamless customer experience solution for businesses across all dimensions.
• 3) Five9 is an easy-to-use self-service system that utilizes the latest voice recognition technology. It helps you solve the customer problems much faster. This tool helps agents to focus on higher-value interactions and increase customer support.
• 4) Nectar Desk is an affordable SaaS solution for managing inbound and outbound calls with reporting and analytics. This automatic dialing tool delivers a comprehensive call center application that can be set up in minutes, from buying a number to customizing your agents and more.

What is an Auto Dialer?

An Auto Dialer is a software application that uses a list of phone numbers that allows you to automatically dial, leave messages or request information from leads or customers.

Free Auto dialer tools are mostly used for the repeated and boring tasks, which might take a lot of time and reduce the call agent’s productivity.

Auto dialer software can do this while the agent is working on other aspects of the call. They will even screen out voicemails and negative call results, like busy signals and no answers.

How did we choose best Auto Dialer software?

At Guru99, we prioritize providing credible, accurate, and objective information through rigorous content creation and review. After dedicating over 80 hours to researching 35+ free auto dialer software options, I compiled a carefully selected list of the best auto dialer apps and software providers, including both free and paid options. Auto dialers are essential tools that increase call connection ratios, boost agent productivity, and drive sales growth. Below, I present the best software based on specific evaluation criteria to help your business choose the ideal auto dialer solution.

• Ease of use: An auto dialer software should be easy to install and set up or use.
• Call automation: Auto Dialer software should offer features like automatic call routing to the next available agent, but you should also consider other features like preview dialing, automated lead scoring, and call-based workflow automation.
• Customer Relationship Management (CRM) integration: Auto dialer software should have a CRM integration feature because it saves you money, tracks time automatically, and promotes efficient team collaboration.
• Voice-over-Internet-Protocol (VoIP) integration: Auto dialer software should integrate easily with VoIP business phone systems.
• Call analytics: Auto Dialer software should provide detailed reports and analytics on agent performance, call volume, campaign success, etc.
• Customer support: Auto dialer companies should offer easily accessible online documentation and good customer support.
• Price: The Auto dialer software should offer the best pricing structure, number of users, or selected features.

What are important types of Auto Dialers?

Some of the most commonly used auto dialer systems are as follows:

• Power Dialer: This type of auto dialer software dials a number from a given list and connects it to a dedicated agent. The Dialer also checks agent availability and immediately calls the next number.
• Preview Dialer: This type of Autodialer passes on important information about a prospect to a live agent. The Auto Dialer software then waits for a pre-defined period before launching the call. It allows the agent to preview important information and analyze it.
• Progressive Dialer: Progressive dialers helps you disconnect a call if no ringing is recorded. This type of Dialer also waits for a short duration before disconnecting the call when no response comes from other ends.
• Predictive Dialer: This type of auto dialer employs smart algorithm techniques called pacing to dial numbers based on agents availability.

Important applications of Auto dialers

Here are some important applications of Auto Dial software:

• Track and report on call outcomes.
• Record phone conversations for quality assurance purposes
• Answering machine detection
• Screen and filter calls that are sent to voicemail.
• Provide agents with a typical response for common call queries and issues
• Set desired caller ID and location to display to contacts while making calls.
• Establish marketing tasks/actions to complete specific goals and track performance.

What rules should you follow while using Auto Dialer Software?

Here are the rules you need to follow while using Auto Dialer Software:

• To use Auto Dialer, you should have at least 8 to 10 agents in your contact center to see benefits. The more agents you have, the more effective the Autodialer tool will be for you.
• Some auto-dialers deliver live calls so you can listen before connecting the call to an agent. This may result in a significant delay for the call recipient.
• Hosted dialers with different dialing modes are mostly found in contact center suites. This suite of advanced applications (such as IVR and Automatic Call Distribution (ACD)) can come with an extra price per agent.
• If you just want a dialer, then you should consider some stand-alone systems available in the market, as the best Auto Dialer has lots of predictive and unwanted features for you.
• You should look for Auto Dialer software, which has a DNC list of every country.

What are the business impact of Auto Dialer Software?

Automated dialer software have brought some great improvements to business with bottom-line growth, efficiency and productivity.

Here are the certain important business impact of Auto Dialer Software:

• An automatic dialer system helps eliminate wastage of resources.
• Auto dialers tool contributes positively to process and manage organizational efficiency through analytics.
• Helps businesses by checking the precision and accuracy of messaging and even automating some process flow elements to ensure fluid functioning.

Verdict

Auto dialer software can greatly improve call center efficiency by automating repetitive tasks. All of the tools above offer reliable services; however, the following top 3 auto-dialers really stood out to me, and here’s why: 

• Zoho Voice is a robust choice with its comprehensive feature set, including local, toll-free, and international virtual numbers and seamless integration with other Zoho products.
• Zoom Phone is a phone service provider for voice calls, video calls, texting, and more. It helps businesses collaborate and build conference rooms that allow interactive meetings and teamwork.
• Ultatel is a leading cloud-based auto dialer and unified communications solution that’s designed to streamline your call workflows and maximize agent productivity.