8 Best FREE Virtual SIM Card Phone Number Apps (eSIM) 2025

A virtual SIM phone number app allows users to have multiple SIM numbers on the same iOS or Android device. This makes it easy to separate personal and business calls using the same mobile device.

With 80+ hours dedicated to evaluating over 30+ Best Virtual SIM Providers, I have curated a trusted, in-depth list featuring free and paid Virtual eSIM phone number apps. This well-researched article brings you insightful pros and cons, helping you discover the ultimate solution. It is a must-read for anyone seeking credible, verified guidance. Continue reading for exclusive and comprehensive insights. Read more…

Best FREE eSIM Number Providers

Tool Name	Supported Devices	Supported Countries	Usage	Free Trial	Link
👍 Zoho Voice	Android, iOS	US, Canada, UK, Australia, India	Calls, SMS, Voicemail, CRM Integration, Analytics	15 Days	Learn More
👍 Zoom Phone	Android, iOS	US & Canada Number, Global plan over 40 countries	Calls, SMS, Voicemail transcription, Call recording.	Basic account free	Learn More
👍 RingCentral	Android versions 4.0 and higher	Canada, Japan, Venezuela, the United Kingdom, New Zealand, etc.	Call Conference, Call Forwarding, Call Routing, Call Recording	14 Days	Learn More
Nextiva	Android 6.0+, iOS 12.0+	Puerto Rico, Canada, the United Kingdom, and the USA	Texts, Calls, Email, and WhatsApp Business.	30-day moneyback	Learn More
Numero eSIM	Android 5.0+, iOS 11.0+	United Kingdom, Mexico, Spain, Portugal, Iran, and 80+ countries.	Calls, Texts, Tinder verification, Voicemail, and WhatsApp verification.	No	Learn More

1) Zoho Voice

Best for CRM-integrated business communications and sales teams

After reviewing Zoho Voice, I found it to be an excellent choice for businesses seeking a comprehensive virtual phone system with deep CRM integration. Zoho Voice is designed for sales teams, customer service departments, and businesses that want to streamline their communication workflows while maintaining detailed customer interaction records.

Features:

• CRM Integration: Seamlessly integrates with Zoho CRM and other business applications. I could automatically log calls, access customer information during conversations, and track communication history without switching between platforms.
• Multi-Device Support: Use Zoho Voice on desktop, mobile apps (iOS/Android), and web browsers. All communications sync across devices, ensuring I could stay connected whether at my desk or on the go.
• Advanced Call Management: Features include call forwarding, call transfer, call recording, and interactive voice response (IVR). I could set up sophisticated call routing rules based on time, caller location, or agent availability.
• Virtual Phone Numbers: Obtain local, toll-free, and international virtual numbers from multiple countries including US, Canada, UK, Australia, and India. This global reach helped me establish local presence in different markets.
• Analytics & Reporting: Comprehensive call analytics and reporting dashboard provided insights into call volume, duration, agent performance, and customer satisfaction metrics. This data helped optimize my communication strategies.
• Team Collaboration: Built-in team messaging, call queues, and agent management features. I could distribute calls efficiently among team members and monitor real-time call status across the organization.
• SMS & Messaging: Send and receive SMS messages directly from the platform. Integration with messaging workflows allowed me to maintain consistent communication across voice and text channels.
• Voicemail Management: Advanced voicemail features including voicemail-to-email transcription, custom greetings, and voicemail forwarding. I could manage messages efficiently even when unavailable to take calls.
• Click-to-Call: Direct calling from CRM records, email addresses, and web pages. This feature streamlined my outbound calling process and improved productivity significantly.
• Call Monitoring & Quality: Supervisors can monitor live calls, whisper coaching to agents, and barge into conversations when needed. This helped maintain high service quality standards.

👉 How to get it Free?

• Go to Zoho Voice
• Sign up for a 15-day free trial to test all features with full functionality.

Visit Zoho Voice >>

15-Day Free Trial

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2) Zoom Phone

I analyzed Zoom Phone, a reliable, cloud-based service with over 50 features and integrated solutions. It provides high-quality audio, team collaboration tools, messaging, and video calling across all plans. Zoom Phone also enables video conferences, phone calls, and unlimited SMS.

Zoom Phone enhances the communication your business needs. It offers multiple phone numbers and supports both iOS and Android devices.

Features:

• HD Audio Quality: I enjoyed the HD audio quality, which provided crystal-clear sound during calls. The background noise was minimized, allowing me to focus on conversations without distractions.
• Collaboration Tools: Zoom Phone offers excellent collaboration tools for seamless voice and video conferencing. Scheduling meetings was straightforward, and I could easily add participants from anywhere in the world. The platform also offered features like a whiteboard and screen recorder.
• Voicemail Transcription: The voicemail transcription feature was handy. It automatically converted voicemails to text, enabling me to read messages when listening wasn’t convenient.
• Secure Communications: I appreciated the secure communications provided by Zoom Phone. The end-to-end encryption ensured that my calls were protected from unauthorized access, giving me peace of mind.
• Integration: The integration with Salesforce was a game changer for me. It allowed for automated call activity logging and click-to-dial features. I could even make direct calls from Slack, enhancing my workflow significantly.
• Call Management Features: I found the advanced call management features very helpful. Call forwarding, call recording, and analytics made it easy to manage my calls effectively and analyze patterns for better communication strategies.
• Device Compatibility: Zoom Phone had excellent device compatibility. I could make and receive calls from various devices, including desktops and mobile phones, ensuring I stayed connected no matter where I was.
• SMS and Live Chat Features: The inclusion of SMS and live chat features was a pleasant surprise. I could send messages easily, whether in 1:1 or group chats, sharing audio, video, or images without any hassle.
• Video Call Integration: I found it convenient to launch video calls with just a tap thanks to the integration with Zoom Video. This streamlined my communication process significantly.

👉 How to get it Free?

• Go to Zoom Phone
• Purchase any monthly plan. We recommend buying the cheapest one to test the services.

Visit Zoom Phone >>

Lifetime free basic plan

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3) RingCentral

Best for Remote agencies and call centers.

In the course of my review, I analyzed RingCentral, a phone service provider for startups, solopreneurs, and small businesses of up to 20 people. It offered me virtual business numbers to keep business and personal calls separate. The services operate with your existing devices, so buying additional equipment or phones is not required.

Using Ring Central, I received unlimited domestic calls, messaging, virtual faxes, and voicemail. A Ruby Receptionist service is also available to route incoming calls to a live US-based receptionist.

Features:

• Number Portability: I was able to port my existing phone number without losing the number my clients recognized. It was also convenient to port any toll-free number, which greatly benefited my business.
• Call Connectivity: I found that RingCentral allowed me to make calls even when cellular reception was weak. By utilizing WiFi, it provided an efficient alternative for staying connected.
• Call Management: The simultaneous call-handling feature impressed me as it enabled me to take calls from multiple people at once. It also effectively managed remote workers across various locations and supported 18 languages.
• Performance Tracking: I appreciated how RingCentral offered detailed call reports. These reports kept me informed about the overall performance of my business.
• Call Screening: I enjoyed the ability to control incoming calls and screening callers to gather more information before answering. This feature enhanced my call management.
• Auto-Attendant Service: The auto-attendant efficiently handled inbound calls, directed callers, and took messages without requiring my constant attention.
• Multiple Numbers: I was able to acquire various business numbers, including local, toll-free, and vanity numbers. This flexibility allowed me to manage multiple lines seamlessly.
• International Availability: I discovered that RingCentral provided services in Canada, Japan, Venezuela, the UK, New Zealand, and over 40 other countries. This global reach was essential for my international operations.
• Seamless Video Meetings: I experienced seamless video meetings that connected my teams from anywhere. The quality and reliability of these meetings significantly improved our collaboration.
• Dynamic End-to-End Encryption: I felt secure knowing that RingCentral offered dynamic end-to-end encryption for video conferences. This feature protected sensitive discussions during remote collaborations.
• Call Flip Feature: I loved the Call Flip feature that enabled me to switch between devices effortlessly during calls. This flexibility allowed me to continue conversations without interruptions.

👉 How to get it Free?

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

Visit RingCentral >>

14-Day Free Trial

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4) Nextiva

Best for Driving business traffic on remote operations

I discovered Nextiva and found its virtual mobile phone number for iOS and Android mobile phones impressive. It offers a virtual SIM line phone number for businesses in different geographic locations. I could make HD voice calls and send text messages over a stable internet connection, which is the best way to ensure effective communication.

On top of that, you get additional features, including call forwarding, holding, and call parking. Nextiva also allowed me to block spam calls and provided screening for callers to get their details. Once you download the Nextiva app to your cell phone, pick a plan and select a virtual number.

Features:

• Connect Anywhere: I could connect with customers and my team from anywhere. Nextiva centralized my communications, allowing me to access contacts, call logs, and text history seamlessly, regardless of my location.
• Call Routing Management: I configured call routing based on business hours. I could receive calls on desk phones or conference phones, not just my mobile device. This flexibility allowed me to manage calls effectively across multiple devices.
• Communication Features: Nextiva enabled me to view call log data and access caller ID before answering. I appreciated the ability to transcribe voicemails into text emails and record all incoming calls for future reference.
• App Integrations: I integrated Nextiva with Google Workspace and HubSpot effortlessly. This integration streamlined my workflow and improved collaboration across different platforms.
• Availability: Nextiva provided numbers for users in Puerto Rico, Canada, the United Kingdom, and the USA. This wide availability made it easy for me to connect with clients globally.
• Customer Support: I received support through chat, tickets, webinars, and phone. The variety of support channels ensured I could get help whenever I needed it.
• Task Management Tool: I utilized a task management tool within Nextiva to keep track of my workload. It helped me organize tasks efficiently in one place.
• Multi-Level Auto-Attendant: Nextiva’s multi-level auto-attendant simplified call handling. I set up an interactive voice response (IVR) system that guided callers to the right department quickly.
• Conversational AI Tools: The platform featured conversational AI tools that allowed callers to describe their needs in their native language. This personalization enhanced the customer experience significantly.

👉 How to get it Free?

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

Visit Nextiva >>

30-day moneyback guarantee

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5) Numero eSIM

Best for Mobile data plans

Numero eSIM offers a free phone number that functions without an extra SIM card. It generates the phone number electronically through the mobile application. I could also get online and offline services with free roaming, which is a good idea to consider for frequent travelers.

I found out that the Numero phone line works with most instant messaging and social networking apps. It forwards calls to your primary number and offers call routing options. You can start by installing the Numero eSIM on your mobile device and then picking up a virtual phone number.

Features:

• Call Routing Flexibility: I set call routing rules that directed my calls to a different number. This feature ensured I never missed a call, as it routed to an available number when I was busy.
• Privacy Assurance: The app kept my personal phone number private. It allowed me to remain anonymous while making calls, ensuring complete privacy, especially when returning calls to unknown numbers.
• Spam Protection: Numero eSIM effectively blocked spam calls and unwanted contacts. I felt relieved knowing that I could avoid interruptions from unsolicited communications.
• Personalized Voicemail: I utilized personalized voicemails to inform callers when I was unavailable. This feature allowed me to maintain professionalism by communicating my absence effectively.
• Global Access: I accessed virtual numbers from over 80 countries, including the United Kingdom, Mexico, and Spain. This global reach made it easy for me to stay connected while traveling.
• Support: I accessed support through instant chat, email, and social media. The availability of video tutorials and e-guides made troubleshooting straightforward and efficient.
• Data Sharing Capabilities: I managed multiple numbers and data plans seamlessly on a single device. This feature was particularly beneficial for juggling personal and business communications without hassle.
• User-Friendly Interface: Navigating the Numero eSIM app was intuitive and easy. I appreciated how quickly I could manage my phone numbers and settings from one central location.
• Flexible Recharge Options: Recharging my Numero eSIM credits was simple, with various payment methods available. This flexibility ensured that I could always stay connected without inconvenience.

👉 How to get it Free?

• Go to Numero eSIM
• Purchase any monthly plan. We recommend buying the cheapest one to test the services.

Visit Numero eSIM >>

Plans start at $0.97 a month

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6) aloSIM

Best for Getting business phone numbers

During my analysis, I checked aloSIM, which is a virtual phone number provider that makes business calls. You can maintain a healthy work-life balance with virtual SIM numbers, separating work calls from personal ones. I could send and receive text messages through the mobile app, which allowed me to use the virtual number on any device.

This smartphone application specializes in VoIP services and offers unlimited voicemail and voice. I received free real-time call notifications, routing, forwarding, and account history. To get started, begin by downloading and installing the mobile app. Then, pick a number and configure your Alosim account settings.

Features:

• Caller Screening: I experienced caller screening, which identified caller information before I picked up the phone. This feature helped me prepare and brief my agents on how to address the caller’s issues.
• Voicemail Transcription: The voicemail transcription feature converted audio messages into readable text. This made accessing voicemails easy, especially when I couldn’t listen to them due to other commitments.
• Roaming Options: I selected a device for roaming in other countries. The tool allowed me to choose an eSIM compatible with my device, including iPhones, Android smartphones, and laptops.
• Virtual Phone Number Options: I had the flexibility to choose from local, international, or toll-free numbers. This was useful for various purposes like voicemail, WhatsApp Business, calls, texts, and even Tinder verification.
• Global Accessibility & Integrations: AloSIM provided me with global access to phone numbers in over 170 countries. It seamlessly integrated with major platforms like Google Voice and HubSpot.
• Spam Filtering: The app effectively filtered out unwanted spam and telemarketer calls. This allowed me to concentrate on important conversations without interruptions.
• Data Calculator: I utilized the data calculator feature to estimate my data needs based on my intended usage patterns. This helped me select a plan that suited my requirements without overspending.
• Auto Activation: Upon arrival at my destination, the eSIM automatically activated. This eliminated the hassle of manual setup and allowed me to top up data directly from the app effortlessly.

👉 How to get it Free?

• Go to Alosim
• Use coupon code “GURU99” to get a 5% discount. Subscribe to any monthly plan, but I’d suggest going for the lowest to test its services. Claim a refund under their 30-day money-back guarantee.

Visit aloSIM >>

Use coupon code “GURU99” to get a 5% discount

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7) OnlineSim

Best for Receiving SMS online

I particularly appreciated OnlineSim for its effectiveness as a virtual phone number app for receiving SMS online. This is an online mobile number that can be used without a SIM card. It is a mobile number dedicated to its service for activation using text messages and can only accept incoming messages, making it a good idea to consider for privacy needs.

Features:

• Verification: I utilized the virtual number for verification across multiple apps like WhatsApp and Netflix. It streamlined my sign-up processes, allowing me to bypass traditional phone number requirements seamlessly.
• Free Numbers: OnlineSIM provided me with a vast selection of free phone numbers from numerous countries. I accessed numbers from Spain, Ukraine, and Britain, which made it incredibly convenient for international communications.
• Service Specificity: Receiving messages from specific services on my virtual number helped me identify senders easily. This feature allowed me to organize my messages effectively, enhancing my overall communication experience.
• Comprehensive Call Control: The app enabled me to manage calls effortlessly. I filtered spam calls and blocked unwanted numbers, ensuring that my communication remained focused and relevant.
• Efficient Automation and Usability: Using OnlineSIM’s mobile app was a breeze due to its user-friendly interface. It automated responses to missed calls and texts, which saved me time and kept my communications organized.
• Enhanced Privacy Features: I appreciated the added layer of privacy that OnlineSIM offered. My personal number remained confidential while I engaged with various online services without revealing my identity.
• Global Access: With OnlineSIM, I could access numbers from over 150 countries. This feature allowed me to connect with friends and services worldwide without any geographical limitations.
• Instant Message Delivery: Messages sent to my virtual number arrived almost instantly. This quick delivery ensured that I never missed important notifications or verification codes while using different platforms.

👉 How to get it Free?

• Go to OnlineSim
• Click on the “Try it for Free” button, Select Country and Free number to receive SMS from site.

Visit OnlineSim >>

3-Days Money-Back Guarantee

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8) Tello

Best for Team messaging and making VoIP calls

I found that Tello is a VoIP service provider that offers a free business phone number for making phone calls. You can send and receive unlimited texts and multimedia messages with this mobile app, which is accessible on any device with the internet.

The platform ensures privacy and data integrity, thus allowing you to make secure calls using the Tello virtual phone number. The app can forward calls to different devices, and it has helped me create secondary sub-accounts using a single number. It also has a text-to-speech feature that converts written text into audio.

Features:

• Call Management: I experienced comprehensive call management with Tello. Features like caller identification, conference calling, and spam call blocking made my communication seamless. The Do Not Disturb mode informed callers of my availability.
• 4G and 5G Everywhere: I never faced call drops or slow data speeds with Tello. It provided a high-speed network that worked anywhere in the country, ensuring I had 4G and 5G coverage during my travels.
• International Call and Text: My US plan included international calling and texting. I could make free calls to over 60 countries, including Canada, Mexico, and India, which was incredibly convenient for staying in touch.
• Account Management: I found it easy to access and manage my account through the dashboard. It allowed me to view detailed call logs, track my account history, and monitor usage without any hassle.
• Integration Capabilities: Tello’s integration with platforms like NetSuite, G Suite, and Salesforce enhanced my workflow. This feature streamlined my operations and improved productivity significantly.
• Global Access: I appreciated that citizens from Canada, New Zealand, Malaysia, Puerto Rico, the USA, and over 60 other countries could obtain Tello virtual SIM numbers. This global access was a major advantage for international users.
• Number Types and Usage: Tello offered various number types, including toll-free, local, and international virtual numbers. This flexibility allowed me to handle calls, texts, WhatsApp Business interactions, voicemail, and emails effectively.
• User-Friendly App: The Tello app provided an intuitive interface for managing my settings. I could easily adjust my plan or troubleshoot issues without needing to contact customer support.
• Customizable Plans: I enjoyed the flexibility of customizing my plan according to my needs. This feature allowed me to select only the services I required without paying for unnecessary extras.

👉 How to get it Free?

• Go to Tello
• Purchase any affordable plan. We recommend buying the cheapest one to test the services.

Visit Tello >>

	#1 Best Overall
VoIP Provider	Zoho Voice	Zoom Phone
Virtual Number	Yes	Yes
Toll-free numbers	Yes	Yes
RoboBlocking	Yes	Yes
24/7 support	✔️	✔️
Our Review	Excellent – 9.8	Excellent – 9.5
Free Trial	15-Days Free Trial	Lifetime Free Basic Plan
Link	Try Free Now	Try Free Now

How Did We Choose Best Virtual SIM Phone Number Providers?

At Guru99, our commitment to credibility ensures you get accurate, relevant, and objective information. With a rigorous content creation and review process, we provide trustworthy resources to answer your questions. Check out below important factors: after 80+ hours of research on over 30 Best Virtual SIM Providers, I have created a curated list of reliable free and paid apps. Here are important considerations before installing a Virtual SIM Phone Number App.

• Security and Privacy: You should be able to configure the settings to prevent people from making unauthorized calls. The app should also allow you to stay anonymous during calls and messaging.
• Mobility: The best virtual SIM app should allow users to receive calls and send messages while on the go. It should also route calls to your phone app or mobile phone, as long as there is a good internet connection.
• Type of eSIM Number: You should be able to get various numbers to represent your business accordingly. For instance, a local phone number will be ideal for making local calls, while toll-free numbers are good for international calling.
• Other Features: It is crucial to understand the app’s functionalities, primarily if it is meant for business purposes. I shortlisted the apps that were able to provide multiple virtual numbers on the same mobile device.
• Customer Support: Ensure the application offers reliable customer services for better performance of your business. I selected the providers that offer technical support and are responsible for maintenance when needed.
• Cost: The best virtual SIM card system should enable users to make international calls at low rates. I made sure to look into the roaming cost before making a choice. Moreover, some apps allow you to make free calls worldwide, so you need to consider this factor.

Verdict

I found all the above eSIM providers useful, and they offered most of the features that I was looking for. However, the following three providers really stood out during my review for the services and features they provided.

• Zoho Voice: It is an excellent choice for businesses seeking a comprehensive virtual phone system with deep CRM integration.
• Zoom Phone: It provides high-quality audio, team collaboration tools, messaging, and video calling across all plans.
• RingCentral: It is phone service provider for startups, solopreneurs, and small businesses of up to 20 people.