7 Best Fax Apps for iPhone in 2026 (Tested & Ranked)

7 Best Fax Apps for iPhone in 2026 (Tested & Ranked)

Searching for the best fax app for iPhone? The overall top option is Municorn Fax App, featuring a 4.6/5 App Store rating, unlimited page faxing on subscription, built-in iOS document scanning, and superior delivery success. For free temporary usage, FaxBurner leads, while Fax.Plus excels in enterprise security.

How We Ranked the Best iPhone Fax Apps

We audited 12 leading mobile fax applications on the Apple App Store on iOS 17 and iOS 18 devices, prioritizing five factors:

• Transmission Reliability: Completion rates and delivery speeds over 5G, LTE, and Wi-Fi networks.
• Pricing Transparency: Identification of hidden weekly charges, credit expirations, and subscription fine print.
• Security & Compliance: Verification of TLS transport security, AES-256 encryption, and HIPAA compliance options.
• iOS Integration: Quality of camera scanning, Apple Files integration, and e-signatures.
• User Feedback: Verified App Store ratings and community consensus on platforms like Reddit.

1. Municorn Fax App – Best Overall Fax App for iPhone

Municorn Fax App is our #1 recommendation for iOS users, delivering unlimited document transmissions, advanced image processing, and exceptional transmission speed backed by over 370,000 positive App Store reviews.

It turns your iPhone camera into an HD document scanner that detects edges, corrects shadows, and sharpens text for clean delivery. Unlike pay-per-page alternatives, its subscription grants unlimited outgoing fax pages, ideal for real estate contracts, medical forms, and legal paperwork, with push notifications for delivery confirmation.

Key Features

• Unlimited Fax Transmission: Send unlimited pages without buying page credit packs.
• Advanced Document Scanner: Edge detection, perspective correction, and contrast adjustments.
• Dedicated Fax Number: Receive incoming faxes directly inside the iOS app.
• Cloud File Import: Works with iCloud Drive, Google Drive, Dropbox, and the Files app.

Pricing

• Free Trial: 3-day full-access trial.
• Weekly Plan: $9.99 per week with unlimited pages.
• Annual Plan: $39.99 per year (best value for frequent faxing).

Pros & Cons

• Pro: High transmission success rates with clear status receipts.
• Pro: Unlimited pages on active subscription plans.
• Con: Lacks a permanent free plan for light, non-subscription users.

2. FaxBurner – Best Free Fax App for iPhone Without Subscription

FaxBurner is the undisputed leader for users seeking a free fax app for iPhone without subscription, offering a free 24-hour temporary fax number alongside monthly free page allowances.

When you request a fax number, the app reserves a toll-free line for 24 hours. You receive 5 free outgoing pages and 25 free incoming pages every month. Incoming faxes are delivered to your iPhone as PDF files and pushed to your registered email.

Key Features

• Disposable Temporary Numbers: Get a toll-free fax number on-demand for 24 hours without charge.
• Email-to-Fax Bridge: Send faxes directly from your iPhone email client.
• Free Monthly Allowance: 5 outgoing and 25 incoming pages every month.

Pricing

• Free Tier: $0 per month (5 send / 25 receive pages with temporary number).
• Pro Monthly: $12.95 per month (500 pages/month + permanent number).

Pros & Cons

• Pro: Truly free access without entering a credit card upfront.
• Con: Temporary fax number expires after 24 hours on the free plan.

3. mFax – Best High-Volume & Business Fax App for iOS

mFax is designed for enterprise users and small businesses requiring reliable cloud infrastructure, high-volume batch transmission, and central team management.

With a 4.8 rating across 5 million users, mFax focuses on delivery performance and administrative controls. Its iOS app lets team members send documents with custom cover pages, tag faxes for internal sorting, and review real-time delivery logs. Carrier-grade architecture ensures minimal page failures on multi-page contracts.

Key Features

• Enterprise Security: Encrypted storage and transmission supporting corporate governance standards.
• Multi-User Management: Add team members under a single administrative billing account.
• Automatic Resend Logic: Retries busy numbers automatically to maximize completion rates.

Pricing

• Free Trial: 14 days of full feature access.
• One Plan: $12.00 per month (includes 200 pages/month).

Pros & Cons

• Pro: Exceptional delivery reliability and fast transmission speeds.
• Con: Higher entry price point for individual or casual users.

4. Fax.Plus – Best Secure Fax App for iPhone & HIPAA Compliance

Fax.Plus is widely recognized as the best secure fax app for iPhone, offering cross-platform synchronization, Swiss data protection standards, and certified HIPAA compliance for healthcare and legal professionals.

Fax.Plus encrypts all fax data at rest using 256-bit AES encryption and in transit using TLS 1.3. For medical practices, legal firms, and financial institutions, the platform offers a Business Associate Agreement (BAA) to meet HIPAA mandates, plus phonebook syncing and multi-page preview tools.

Key Features

• HIPAA Compliant Faxing: Signed BAA agreement and secure infrastructure for healthcare providers.
• Cross-Platform Syncing: Web, mobile app, and email-to-fax functions stay synchronized in real time.
• Number Porting: Transfer your existing landline or digital fax number for free.

Pricing

• Free Tier: 10 total lifetime pages free.
• Basic Plan: $6.99 per month (100 pages/month).
• Enterprise / Business: $34.99 per month (HIPAA compliant + 1,000 pages).

Pros & Cons

• Pro: Industry-leading security architecture and data privacy standards.
• Con: Free tier only grants 10 pages total (not monthly).

5. Genius Fax – Best Pay-As-You-Go Credit System

Genius Fax is the premier pay-as-you-go iOS app for users who hate monthly subscriptions and prefer paying strictly per page faxed.

Developed by the creators of Genius Scan, Genius Fax uses a simple page credit system. You purchase credits via in-app purchases, and they only spend when a fax successfully delivers—no recurring monthly billing, ideal for casual users who send only a few faxes per year.

Key Features

• Pay-As-You-Go Credits: Buy credits starting at $0.99 per page with no subscription commitment.
• Genius Scan Integration: Import high-resolution documents straight from the Genius Scan engine.
• Inbound Fax Number Rental: Rent a dedicated incoming fax number on a month-to-month basis.

Pricing

• Page Credits: $0.99 for 1 page; $6.99 for 10 pages ($0.70/page); $21.99 for 50 pages ($0.44/page).
• Number Rental: $3.99 per month for a temporary or ongoing incoming number.

Pros & Cons

• Pro: Zero auto-renewing subscriptions or hidden recurring fees.
• Con: No free outgoing page allowance upon initial download.

6. iFax – Best App for Cloud Storage & Document E-Signatures

iFax is an established iOS fax solution featuring strong cloud storage integrations, built-in vector signature tools, and multi-device access across iPhone, iPad, and Apple Watch.

Users can annotate documents, overlay custom digital signatures, add fillable fields, and send secure transmissions in minutes. The app integrates directly with Google Drive, Dropbox, Box, and OneDrive.

Key Features

• Vector E-Signatures: Save multiple personal signatures to sign contracts on mobile.
• Cloud Drive Archiving: Auto-save incoming and outgoing transmissions to your preferred cloud provider.
• Apple Watch Companion App: Receive instant fax delivery status notifications on your wrist.

Pricing

• Free Trial: 7-day trial period.
• Pro Monthly: $9.99 per month (200 pages/month).

Pros & Cons

• Pro: Excellent document scanner with OCR capabilities.
• Con: Free trial automatically rolls into a paid subscription if not canceled.

7. MyFax – Best Value for Dedicated Fax Numbers

MyFax provides an affordable, straightforward platform for users who require a permanent local or toll-free dedicated fax number on their iPhone for incoming transmissions.

MyFax functions as both a mobile app and a web portal. Upon registering, users select a dedicated fax number in their local area code or choose a toll-free prefix (800, 888, 877), alerting you via push notifications and email whenever a new document arrives.

Key Features

• Dedicated Local or Toll-Free Numbers: Select phone numbers across the US, Canada, and Europe.
• Multi-Format Attachment Support: Send PDFs, Word documents, Excel sheets, and JPEG images.

Pricing

• Free Trial: 30-day free trial on selected plans.
• Home Office Plan: $10.00 per month (100 outgoing and 100 incoming pages).

Pros & Cons

• Pro: Generous 30-day trial period to test the platform.
• Con: Split page caps (separate allowances for incoming and outgoing pages).

How to Choose the Best Fax App for iPhone

Selecting the right iOS fax tool depends on your transmission volume, budget, and legal compliance requirements.

1. Subscription vs. Pay-As-You-Go Models

• Weekly / Monthly Subscriptions: Best for high-volume users who need unlimited pages (e.g., Municorn Fax App).
• Monthly Page Bundles: Ideal for small businesses requiring dedicated numbers with set page limits (e.g., Fax.Plus, mFax).
• Pay-Per-Page Credits: Perfect for occasional faxing without recurring costs (e.g., Genius Fax).

2. Security & Compliance Requirements

If you transmit personal health information, financial audits, or legal agreements, choose a best secure fax app for iPhone offering end-to-end TLS encryption and HIPAA compliance options like Fax.Plus.

3. Receiving Inbound Faxes

To receive faxes on your iPhone, you need an app that provides a dedicated inbound phone number. While Municorn Fax App and MyFax offer permanent inbound numbers, FaxBurner provides a free 24-hour temporary number.

4. Reddit User Insights: Avoiding Subscription Traps

A common discussion topic on Reddit centers around "subscription traps." Many apps advertise as "free," but hide $9.99/week charges after 3-day trials. Always verify subscription details in your Apple ID settings immediately after installing any mobile fax tool.

FAQ

Which free iPhone fax app is the best?

FaxBurner is the best free fax app for iPhone. It grants 5 free outgoing pages and 25 free incoming pages per month alongside a free 24-hour temporary fax number, requiring no credit card to start.

Does the fax app on iPhone really work?

Yes, iPhone fax apps work reliably by sending document files over cellular data or Wi-Fi to digital telephony gateways. These gateways convert your PDF file into analog phone signals that traditional fax machines receive.