6 BEST Fax App for iPhone & Android (2024)

Fax from phone apps helps you easily send, receive, and manage faxes without needing a physical fax machine. These tools save costs, improve efficiency, and provide you with a greater degree of freedom. You can use these apps to send various digital file formats as faxes. Some of the best apps can scan documents through phone cameras and send them as faxes. A fax app is handy when submitting a medical authorization, sending legal documents, or buying/selling a home

You should always select from one of the best mobile fax apps to ensure an ideal experience. We’ve compared over 28+ apps to find the 6 best fax from phone applications based on price, integrations, device support, etc.
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Best Fax App for Mobile Phone (Android & iPhone)

Name Device Support Supported File Formats E-Signature Customer Support Link
👍 eFax Android, iOS, Web, Windows PDF, PNG, TIFF, TXT Yes 24×7 calls, Email, Online Support Form, FAQs Learn More
Fax.Plus Android, iOS, Windows, macOS, Web DOC, DOCX, TXT, PDF, and more Yes Email, Contact Form Learn More
Nextiva vFAX Windows, macOS, iOS, Android, and Linux TIFF, GIF, PDF No Livechat, Email, & Phone Learn More
MetroFax Android, iOS, and Web DOC, DOCX, HTML, PDF, TXT No Email, Online Chat, Contact Form Learn More
HelloFax Web, Android, iOS, iPadOS DOC, DOCX, PDF, PPSX, PPT, JPG, etc. Yes Email, Contact Form, Online Tickets Learn More
Expert Advice:

You should select a fax phone app compatible with various file formats such as DOC, PDF, HTML, TXT, and more. We recommend choosing mobile fax apps with a cost-effective pricing plan that can be scaled according to your needs. You should always choose a fax from a phone app with proper geographical support for all countries/regions.”

1) eFax

Best mobile fax app for international faxing

eFax is one of the best faxing apps for Android and iOS for easy faxing to more than 100 countries worldwide. It provides unlimited cloud storage that automatically saves all your sent and receives faxes. You can use it to set up a toll-free fax number to allow others to share fax messages with you freely.

eFax allows you to easily search for fax numbers in your contact list and send them faxes. It can convert photos clicked from your phone’s camera into professional-looking documents. This phone fax app can virtually sign or stamp documents before sending them as faxes. It maintains high security and privacy by encrypting your received faxes for confidentiality.

#1 Top Pick
eFax
5.0

Dedicated Fax Number: Yes, Local, Toll-Free

Fax By Email: Yes

Online Storage of Fax: Yes

Free Trial: 14-Days Free Trial

Visit eFax

Features:

  • Provides unlimited cloud storage for storing all your faxes.
  • Allows you to use multiple email IDs for sending faxes.
  • Robust file viewer feature lets you preview/view/share your faxes from your phone easily.
  • Automatically syncs your files with popular cloud services like Google Drive.
  • Built-in support for tagging allows you to tag files and easily find sent/received faxes based on those tags.
  • Supports sending large files, including high-res videos, presentations, and more.
  • Add-on for MS Word allows you to fax documents directly from the Word interface.
  • Pre-formatted templates for quickly creating professional-looking documents.

Pros

  • Allows you to send files to up to 20 people at once.
  • Supports more than 200 file types for a wide range of use cases.
  • It lets you easily organize all your contacts in a built-in address book.

Cons

  • Poor customer support service.

Key Specs:

Device Support: Android, iOS, Web, Windows
File Format Support: PDF, PNG, TIFF, TXT
Pricing: Starts at $18.95 per month
Free Trial: Yes, 14 Days

Visit eFax >>

14-Days Free Trial


2) Fax.Plus

Best fax app for a wide range of plans

Fax.Plus allows you to set up toll-free numbers to improve your business credibility. It lets you add notes and tags to all your faxes to find them through search in the future quickly. It supports automated retries that keep attempting to resend any failed faxes, improving your fax delivery rates.

Fax.Plus’s servers can handle large faxing requirements with unique plans for enterprise-grade use cases. It is one of the best phone fax apps that use modern technologies like TLS 1.3 and 256-bit encryption for complete security. Its secure cloud infrastructure allows sending secure and private faxes in no time.

Fax.Plus

Features:

  • Programmable fax API allows you to build custom integrations with your services.
  • Support for enterprise-grade multipage bulk faxing.
  • Easily port your existing fax number with almost 0 downtimes.
  • Allows you to scan documents from your phone and convert them into easy-to-read PDFs.
  • Complete support for local and international faxing.
  • Easily build custom professional-looking cover pages.
  • Effortlessly forward, reply, or send faxes with a single click.
  • Ability to schedule faxes to be sent at specific times with ease.

Pros

  • Robust integrations for Google Suite, Slack, Microsoft, Zapier, etc.
  • Supports faxing in over 40 countries across the world.
  • Quickly sign/stamp your documents digitally through their robust tools.

Cons

  • Unresponsive customer support service.

Key Specs:

Device Support: Android, iOS, Windows, macOS, Web
File Format Support: DOC, DOCX, TXT, PDF, and more
Pricing: Starts at $8.99 per month
Free Trial: Lifetime Free Basic Plan

Visit Fax.Plus >>

Lifetime Free Basic Plan


3) MetroFax

Best fax phone app for long-distance faxing

MetroFax is one of the best services for quickly sending and receiving faxes. It requires no dedicated phone lines or modems and can be accessed from any device. You can use it to send long-distance faxes across US and Canada with no additional costs.

MetroFax allows you to easily manage all your faxes in custom folders and categories. Its centralized admin portal is ideal for managing all your activities and users in one place. You can use its templates to create a customizable professional-looking cover page for all your faxes.

MetroFax

Features:

  • It provides a dedicated local/toll-free fax number for sending/receiving faxes.
  • Automatically organizes and lets you find any past sent/received faxes.
  • The mobile app comes with a built-in scanner to scan documents via phone camera and fax them.
  • Print faxes wirelessly through integration with Google Cloud Print.
  • Automatically tries resending faxes that failed to be sent.

Pros

  • Built-in support for notifications upon successful fax deliveries.
  • It provides support for up to 5 different email IDs for a single fax account.
  • Efficiently view received faxes on the phone and share them as PDFs.

Cons

  • No support for e-signatures.

Key Specs:

Device Support: Android, iOS, and Web
File Format Support: DOC, DOCX, HTML, PDF, TXT
Pricing: Starts at $11.95 per month
Free Trial: Yes, 3 Days

Visit MetroFax >>

3-Days Free Trial


4) HelloFax (now Dropbox Fax)

Best for high-security file sharing

HelloFax is an ideal tool for faxing that allows you to perform bulk actions. You can use it to send faxes to many recipients at once. You can use it to tamper-proof your digital documents with the help of a digital seal that keeps the authenticity of your critical documents. It provides data-driven reports based on factors like turnaround time, delivery status, etc.

Dropbox Fax uses 256-bit encryption to ensure high security and privacy while sharing your faxes. Moreover, it provides 3GB of highly encrypted secure cloud storage. This tool comes with in-built support for adding watermarks before sending documents.

HelloFax

Features:

  • Provides offline mobile folders to store all your files with ease.
  • Support for having multiple users accessing all the tools in parallel.
  • Complete international support for sending faxes to any country.
  • Provides robust templates for quickly creating professional-looking faxes for business use cases.
  • Integrates with popular cloud services like Google Drive, Microsoft Word, HubSpot, etc.
  • Send faxes directly through your registered email address.
  • Allows you to use multiple fax numbers and accounts parallelly.

Pros

  • Natively available in 22 popular languages worldwide.
  • Port your existing number from any fax machine with almost 0 downtimes.
  • Track responses and get notifications/reminders for various faxes in your mail.

Cons

  • Not ideal for international faxing.

Key Specs:

Device Support: Web, Android, iOS, iPadOS
File Format Support: DOC, DOCX, PDF, PPSX, PPT, JPG, PNG, XLS, TXT, HTML, and GIF
Pricing: Starts at $9.99 per month
Free Trial: Yes, 30 Days

Link: https://app.hellofax.com/


5) FaxBurner

Best free fax app with a disposable number

FaxBurner provides an entirely free disposable fax number that can be used for 24 hours. You can use this fax number to send or receive faxes for free. It is one of the best faxing services for beginners, as it provides dedicated guidance and documentation for them.

FaxBurner is one of Android’s best free fax apps that provides email confirmations once your faxes are delivered. Its email-to-fax support service lets you fax any number directly from your registered email address.

FaxBurner

Features:

  • Easily search past sent/received faxes and find relevant faxes.
  • Provides predefined templates for creating custom cover pages for your faxes.
  • It lets you view all received faxes in PDFs on your phone.

Pros

  • Quick setup and straightforward usage are ideal for beginners.
  • Easily convert images into elegant multi-page faxes.

Cons

  • Limited file formats are available.

Key Specs:

Device Support: Android, iOS, Web
File Format Support: PDF – max size 25MB
Pricing: Starts at $12.95 per month
Free Trial: Lifetime Free Basic Plan

Link: https://www.faxburner.com/


6) GeniusFax

Best for pay-as-you-go pricing

GeniusFax is one of the best free fax apps for Android and iOS that uses a pay-as-you-go pricing model. This faxing app lets you send faxes via images/PDFs directly from your phone. The in-built fax viewer lets you view files before sending or receiving them.

GeniusFax utilizes advanced image processing techniques to ensure all your faxes look sharp and crisp. You can integrate it directly with services like OneDrive, Dropbox, or Google Drive to import and fax documents quickly. It also provides historical data and visual analytics of all your faxes via a straightforward user interface.

Genius Fax

Features:

  • Ensures complete security and privacy of all your data and documents.
  • Get notified when your fax is successfully delivered or fails to be sent.
  • In-built support for building a custom free cover page for your faxes.
  • Scan any document from your phone and convert them into professional-looking digital files for faxing.

Pros

  • It is wholly supported in more than 40 countries worldwide.
  • Simple, straightforward, and easy-to-use UI is ideal for beginners.
  • Check the delivery status of any fax through their intuitive dashboard.

Cons

  • Lacks a proper free trial.

Key Specs:

Device Support: Android, iOS, Web
File Format Support: DOC, PDF
Pricing: Pay-as-you-go
Free Trial: No

Link: https://geniusfax.com/

FAQs

Some of the best fax from mobile phone applications are:

Here are some of the critical factors that must be considered while choosing an online fax service:

  • Faxing Capabilities: The fax app should support bulk faxes, faxing to multiple numbers, toll-free numbers, and more.
  • Cost: Choose a free fax from the computer and mobile service that is cheaper than a conventional fax machine and provides features like long-distance faxing.
  • Device-specific features: Choose a fax app with a scanner for scanning documents, viewing received faxes, etc.
  • Geographical Support: Find a service in all regions/countries where you can send/receive faxes.

Online faxing has many advantages over a conventional fax machine, such as lower costs, faster fax deliveries, and ease of use. If you choose from the best fax apps for Android, you won’t need to invest in a bulky fax machine. Furthermore, online pricing plans can be scaled up or down according to your expected requirements.

Final Verdict:

Our team has researched in-depth to find some of the best faxing apps for replacing your fax machine. Some of these apps are much better in some fields than others. That’s why our final verdict will help you select the best online faxing service for your needs.

  • You should opt for MetroFax to send frequent long-distance faxes.
  • FaxBurner is ideal for getting a free fax number and enjoying low-cost faxes.
  • eFax is the best fax app for iPhone and Android if you want a faxing app with high-security and privacy features.

Best Fax from Phone App for Android & iPhone

Name Device Support Supported File Formats E-Signature Customer Support Link
👍 eFax Android, iOS, Web, Windows PDF, PNG, TIFF, TXT Yes 24×7 calls, Email, Online Support Form, FAQs Learn More
Fax.Plus Android, iOS, Windows, macOS, Web DOC, DOCX, TXT, PDF, and more Yes Email, Contact Form Learn More
Nextiva vFAX Windows, macOS, iOS, Android, and Linux TIFF, GIF, PDF No Livechat, Email, & Phone Learn More
MetroFax Android, iOS, and Web DOC, DOCX, HTML, PDF, TXT No Email, Online Chat, Contact Form Learn More
HelloFax Web, Android, iOS, iPadOS DOC, DOCX, PDF, PPSX, PPT, JPG, etc. Yes Email, Contact Form, Online Tickets Learn More