Best Fax App Options for Mobile and Web in 2026

If you need the best fax app to send and receive documents without a physical fax machine, Municorn Fax App is the top overall choice for iOS and Android, thanks to high transmission reliability, a built-in scanner, and flexible unlimited faxing subscriptions.

Fax App	Best For	Platform Support	Pricing Model	App Rating
Municorn Fax App	Overall Best Mobile Faxing	iOS, Android	Free Trial / Subscription	4.8 / 5
Fax.Plus	Cross-Platform Enterprise Faxing	iOS, Android, Web, Email	Free (10 pages) / From $6.99/mo	4.7 / 5
eFax	High-Volume Corporate Use	iOS, Android, Web	From $18.95/mo	4.5 / 5
iFax	HIPAA-Compliant Workflows	iOS, Android, Web, macOS, Windows	Free Trial / From $8.33/mo	4.6 / 5
Dropbox Fax	Occasional Cloud Document Faxing	Web, Mobile Browser	Free (5 pages) / From $9.99/mo	4.4 / 5
mFax	Android & High-Uptime Business Use	Android, Web	From $12.00/mo	4.5 / 5
Documo	Sensitive Healthcare & Legal Data	Web, iOS, Android	From $10.00/mo	4.6 / 5
Genius Fax	Pay-Per-Page Micro Transactions	iOS, Android, Web	$0.99 per fax credit	4.3 / 5
FaxBurner	Free Temporary Inbound Numbers	iOS, Android, Web	Free (5 send/25 receive) / $12.95/mo	4.2 / 5
MyFax	Budget Dedicated Fax Numbers	iOS, Android, Web	From $12.00/mo	4.1 / 5

How We Ranked the Best Fax Apps

We evaluated 15 top-tier digital fax services across five criteria: transmission reliability, document scanning quality (OCR and image cleanup), pricing transparency, platform availability, and security compliance (HIPAA, 256-bit AES encryption, Business Associate Agreements). We prioritized services with fast, error-free delivery, clear pricing, and clean interfaces that remove the need for legacy hardware.

Municorn Fax App

BLUF: Municorn Fax App is our #1 pick for the best fax app overall, boasting a 4.8 out of 5 rating from over 370,000 reviews on the App Store, combining unlimited sending plans with top-tier document processing.

• Key Metrics: 4.8/5 rating, 370,000+ user reviews, available on iOS and Android.
• Core Features: Advanced camera scanner with border detection and image enhancement, electronic signature integration, cloud storage export, and real-time delivery confirmation.
• Pricing: Free trial available; flexible weekly and monthly subscriptions for unlimited sending.

Municorn Fax App turns a smartphone into a digital fax machine, pairing an intuitive scanner with high-speed faxing infrastructure. It cleans up shadows, sharpens text, and crops pages so transmissions look crisp. Users sign on-screen, attach cloud files, and track delivery via instant notifications—cost-effective for professionals sending multi-page contracts frequently.

• Pros:
  • Highest user satisfaction rating across major app stores.
  • Built-in camera scanner optimizes page contrast for clear transmission.
  • Unlimited faxing subscription options eliminate per-page fees.
• Cons:
  • Requires an active subscription for heavy, ongoing usage.

Verdict: The gold standard mobile fax application for speed, document clarity, and flexible pricing on iOS and Android.

Fax.Plus

BLUF: Fax.Plus is an enterprise-grade online fax service trusted by over 5,000,000 users worldwide, offering cross-platform syncing and local fax numbers in 48 countries.

• Key Metrics: 4.7/5 rating, 5M+ users, presence in 48 countries.
• Core Features: Email-to-Fax, Google Workspace integration, 256-bit AES encryption, multi-user business accounts, and dedicated HIPAA-compliant plans.
• Pricing: Free plan includes 10 pages total; paid plans start at $6.99 per month.

Fax.Plus suits freelancers, mid-sized companies, and enterprises, with mobile apps, web browsers, and email integration supported. Security is central, with end-to-end encryption and full HIPAA compliance on enterprise tiers. Users can port existing numbers or buy local and toll-free numbers across dozens of countries.

• Pros:
  • Generous starter plan with 10 free outbound pages.
  • Supports fax numbers from 48 different countries.
• Cons:
  • Overage charges apply if you exceed your monthly plan page allowance.

Verdict: Ideal for international businesses and teams needing seamless functionality between web browsers and mobile devices.

eFax

BLUF: eFax is the established legacy provider in digital faxing, making it a dependable choice for high-volume corporate environments requiring extensive file archival.

• Key Metrics: 4.5/5 rating, supports file transfers up to 3GB, global coverage.
• Core Features: Searchable PDF archive via OCR, mobile signature tools, multi-recipient faxing, and cloud storage connection.
• Pricing: 7-day free trial; paid plans start at $18.95 per month.

eFax brings modern functionality to a provider that has dominated the fax industry for decades. Its app lets users capture document photos, attach digital signatures, and send to phonebook contacts. A standout OCR indexing feature makes received faxes searchable by text. Pricing is higher than newer app-first competitors, but the infrastructure handles heavy loads reliably.

• Pros:
  • OCR text search makes finding archived faxes fast and easy.
  • Supports large file attachments up to 3GB.
• Cons:
  • Significantly higher starting price than lightweight mobile alternatives.

Verdict: A reliable corporate solution for users who prioritize deep archival search and large file handling.

iFax

BLUF: iFax delivers robust HIPAA, GLBA, and GDPR-compliant mobile faxing with over 2 million global downloads and cross-platform syncing across mobile and desktop.

• Key Metrics: 4.6/5 rating, 2 million+ downloads, 256-bit AES end-to-end encryption.
• Core Features: Integrated document scanner, electronic signature creation, HIPAA-compliant security layer, multi-level team management, and toll-free numbers.
• Pricing: 7-day free trial; plans start at $8.33 per month (billed annually).

Built with regulatory compliance in mind, iFax is widely used in medical, legal, and financial sectors, sending faxes from iOS, Android, macOS, Windows, or web. Security controls include automated sign-out, end-to-end encryption, and compliance reporting, plus a document editor for cover sheets and saved signatures.

• Pros:
  • Out-of-the-box HIPAA and GDPR compliance features.
  • Native desktop apps for macOS and Windows alongside mobile tools.
• Cons:
  • Dedicated HIPAA compliance is locked behind upper-tier plans.

Verdict: The premier choice for medical and legal professionals needing top-tier security compliance across platforms.

Dropbox Fax

BLUF: Formerly HelloFax, Dropbox Fax is the best digital fax service for occasional web users who store documents primarily in cloud storage platforms.

• Key Metrics: 4.4/5 rating, direct native integration with major cloud storage ecosystems.
• Core Features: Direct cloud file import, web dashboard management, electronic signature placement, multi-recipient broadcasting, and international transmission.
• Pricing: Free tier includes 5 outbound pages; paid plans start at $9.99 per month.

Dropbox Fax integrates with Dropbox, Google Drive, OneDrive, and Box, letting users pull documents from storage, sign digitally, attach a cover sheet, and send without leaving the browser. It relies on a mobile-optimized web dashboard rather than a native app, but its simplicity makes it a favorite for casual senders.

• Pros:
  • 5 free outbound pages upon signup, no credit card required.
  • Best-in-class integration with cloud storage providers.
  • Extremely simple web dashboard interface.
• Cons:
  • No dedicated native mobile app (relies on mobile browser dashboard).

Verdict: The best lightweight web solution for casual users needing occasional delivery straight from cloud accounts.

mFax

BLUF: mFax delivers 99.99% uptime and carrier-grade reliability, making it the top choice for business power users requiring robust Android and web faxing.

• Key Metrics: 4.5/5 rating, 99.99% network uptime, U.S.-based customer support.
• Core Features: Advanced admin console, HIPAA compliance engine, multi-user permissions, API integration, and email-to-fax gateway.
• Pricing: 14-day free trial; paid plans start at $12.00 per month.

Engineered for high-reliability environments, mFax focuses on business-class delivery. Its web control panel lets administrators manage team accounts, allocate page quotas, and audit logs. Built on private infrastructure bypassing public VoIP networks, it delivers an industry-leading success rate for healthcare, legal, and real estate documents.

• Pros:
  • Industry-leading transmission success rates and 99.99% network uptime.
  • Comprehensive team administration and role-based permissions.
• Cons:
  • Lacks a dedicated native iOS app (optimized for Android and web).

Verdict: The highest reliability digital fax solution for teams requiring strict security and uptime standards.

Documo

BLUF: Documo provides enterprise-grade paperless fax workflows designed to help healthcare organizations eliminate paper waste and meet strict data privacy regulations.

• Key Metrics: 4.6/5 rating, full HIPAA compliance, SOC 2 Type II certified.
• Core Features: Intelligent document routing, print-to-fax drivers, REST API integrations, automated OCR processing, and team management tools.
• Pricing: Customized plans starting from $10.00 per month.

Documo replaces physical fax hardware with secure cloud infrastructure, accessible via web, iOS, and Android, with 256-bit AES encryption at rest and in transit. Intelligent routing tools organize incoming documents by category or recipient, streamlining workflows for medical practices and law firms.

• Pros:
  • SOC 2 Type II and HIPAA certification for maximum compliance.
  • Advanced automation tools for sorting incoming fax documents.
• Cons:
  • Enterprise focus requires more setup time than basic consumer apps.

Verdict: An elite compliance-first platform for healthcare networks and enterprises with complex data pipelines.

Genius Fax

BLUF: Genius Fax is the premier pay-as-you-go mobile application, letting users send faxes without committing to recurring monthly subscriptions.

• Key Metrics: 4.3/5 rating, transparent $0.99 pay-per-page credit system.
• Core Features: Document scanning integration with Genius Scan, credit-based purchasing, cover page creator, and status notifications.
• Pricing: $0.99 per credit (1 credit = 1 page sent or received); subscription optional.

Genius Fax targets consumers who send documents infrequently and want to avoid ongoing charges. One credit covers one page; users scan papers via camera, preview costs, and get push notifications confirming delivery.

• Pros:
  • No recurring monthly subscription fees required.
  • Direct integration with the popular Genius Scan camera app.
• Cons:
  • Becomes expensive for high-volume senders needing hundreds of pages monthly.

Verdict: The most budget-friendly app for individuals who only need to fax a few pages per year.

FaxBurner

BLUF: FaxBurner provides free temporary inbound fax numbers that expire after 24 hours, perfect for one-off transactions and disposable inbound receiving.

• Key Metrics: 4.2/5 rating, over 1 million temporary numbers assigned.
• Core Features: Temporary toll-free fax numbers, email-to-fax processing, built-in PDF reader, and cloud file uploading.
• Pricing: Free tier (5 sent / 25 received pages); Premium plan at $12.95 per month.

FaxBurner instantly generates a free disposable fax number valid for 24 hours. Received faxes convert automatically into PDFs delivered to the user's phone and email. Users can retain a permanent number by upgrading to a paid tier.

• Pros:
  • Instant allocation of a free temporary fax number, no payment details required.
  • Generous free allocation of 25 incoming pages.
• Cons:
  • Free fax numbers expire automatically after 24 hours unless upgraded.

Verdict: The ultimate problem-solver for users who urgently need to receive a single inbound fax for free.

MyFax

BLUF: MyFax provides low-cost personal digital faxing with custom local or toll-free numbers across 50+ countries and global mobile accessibility.

• Key Metrics: 4.1/5 rating, supports sending to 150+ countries worldwide.
• Core Features: Email faxing up to 5 addresses, mobile app scanning, file support for 170+ formats, and online storage archive.
• Pricing: Plans start at $12.00 per month for 100 outbound and 100 inbound pages.

MyFax delivers straightforward personal and small business faxing across iOS, Android, and web, supporting over 170 document formats plus up to five email addresses per account for sending directly from an email client.

• Pros:
  • Supports an exceptionally wide range of document file types.
  • Enables faxing from up to 5 distinct email addresses simultaneously.
• Cons:
  • Strict page caps split separately between inbound and outbound usage.

Verdict: A reliable choice for individuals needing multi-format document support and simple email-to-fax capabilities.

FAQ

What is the best free fax app for iPhone and Android?

Municorn Fax App offers the best free trial experience with robust scanning and unlimited delivery options. For non-paid tiers, Fax.Plus provides 10 free outbound pages, while FaxBurner offers 5 outbound and 25 inbound pages.

Are mobile fax apps HIPAA compliant?

Many top-tier services support HIPAA compliance, including Fax.Plus, iFax, mFax, and Documo, protecting Patient Health Information using 256-bit AES encryption, secure data centers, access logging, and signed Business Associate Agreements.