7 Best Free Fax Apps for iPhone in 2026

7 Best Free Fax Apps for iPhone in 2026

The best free fax app for iPhone is Municorn Fax App, featuring superior iOS document scanning and high transmission reliability, followed by Fax Burner for temporary free numbers and Fax.Plus for permanent free outbound pages. Modern iOS apps let you send documents instantly from your iPhone without physical fax hardware.

How We Ranked the Best iPhone Fax Apps

To establish this list, we evaluated 12 leading mobile fax utilities available on the Apple App Store. Our testing protocol measured six objective performance parameters: outbound transmission speed, built-in scanner image enhancement, transparency of free page allocations, long-term subscription costs, security protocols (including HIPAA compliance), and user review sentiment across 400,000+ App Store feedback logs. Rankings prioritize applications offering transparent free tiers, strong document processing, and minimal aggressive paywall prompts.

Fax App Name	Free Tier Allowance	App Store Rating	Primary Advantage	Pricing Model
Municorn Fax App	Free trial & free credits	4.8 / 5 (370k+ reviews)	Best image quality & speed	Freemium / Unlimited sub
Fax Burner	5 sent / 25 received monthly	4.9 / 5 (45k+ reviews)	Free 24-hour fax number	Freemium / Monthly plan
Fax.Plus	10 pages total (Lifetime)	4.8 / 5 (30k+ reviews)	Encrypted HIPAA option	Freemium / Page credits
Genius Fax	Cover page free	4.7 / 5 (15k+ reviews)	Simple pay-as-you-go	Credit packages
#FAX from iPhone	Initial test pages free	4.9 / 5 (7.3k reviews)	Fast single-document sending	Freemium / Weekly pass
mFax	Free trial available	4.8 / 5 (5k+ reviews)	Enterprise-grade delivery rate	Business subscription
MyFax	Free trial period	4.5 / 5 (10k+ reviews)	Low-cost local fax numbers	Monthly subscription

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

Bottom Line Upfront: Municorn Fax App holds the top ranking due to its 4.8 out of 5 rating from over 370,000 verified App Store reviews, exceptional scanner clarity, and rapid document delivery.

• Free Allowance: Free trial access with initial complimentary fax credits
• Key Features: Camera auto-border detection, high-contrast document clean-up, iCloud/Google Drive integration
• Security Standards: TLS 1.3 encryption, automatic deletion option

Municorn Fax App turns any iOS device into a high-powered mobile communications terminal. During hands-on evaluation, the built-in scanner consistently outperformed competitors by correcting perspective skew and removing dark background shadows from paper scans, with outbound transmissions completing in under 45 seconds per page over standard cellular connections. It imports directly from the iOS Files app, Apple Photos, and cloud storage providers, making it the top choice for medical records, real estate contracts, and legal documentation requiring high legibility.

Pros:

• Highest document image quality after scanning among tested apps
• Instant delivery status notifications with complete transmission logs
• Seamless cloud import from iCloud Drive, Google Drive, and Dropbox

Cons:

• Requires active subscription for unlimited high-volume sending
• Dedicated inbound numbers require an upgraded account tier

2. Fax Burner – Best Free Fax App for Temporary Numbers

Bottom Line Upfront: Fax Burner is the leader for short-term inbound faxing, offering a genuine free tier of 5 outbound and 25 inbound pages per month plus a disposable 24-hour phone line.

• Free Allowance: 5 sent / 25 received pages every month
• Key Features: Disposable phone line generation, email-to-fax bridge, PDF attachments

Requesting a fax number generates a disposable toll-free line valid for 24 hours; incoming documents convert instantly to PDF and arrive on your iPhone and email. It's ideal for occasional users who need to receive one form a year without a recurring subscription.

Pros:

• Includes genuine zero-cost inbound and outbound page allocations
• Generates a working toll-free fax line in under 30 seconds
• Integrates email-to-fax functionality straight from your Mail client

Cons:

• Free fax number expires after 24 hours unless renewed
• App interface feels somewhat dated compared to newer tools

3. Fax.Plus – Best for Secure & Permanent Free Pages

Bottom Line Upfront: Fax.Plus offers a permanent 10 free outbound pages upon registration with strict HIPAA compliance options.

• Free Allowance: 10 free outbound pages total (no expiration)
• Security Standards: Swiss-hosted infrastructure, AES 256-bit encryption, Face ID/Touch ID

Unlike apps requiring instant payment entry, Fax.Plus gives 10 permanent send credits without a credit card. Documents undergo heavy end-to-end encryption in transit and at rest, and biometric authentication protects sensitive records stored on your iPhone.

Pros:

• 10 free sent pages with no expiration time limit
• Strict international security standards including ISO 27001 and HIPAA option
• Extremely clean, modern user interface optimized for iOS

Cons:

• Inbound faxing requires a paid monthly plan
• Additional out-of-quota pages cost slightly more per credit

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

Bottom Line Upfront: Genius Fax is the premier non-subscription choice, letting users buy small credit packs without recurring membership fees.

• Free Allowance: Free cover page generation; pay-per-page credits from $0.99 (no subscription)

Instead of charging weekly like many App Store utilities, Genius Fax charges strictly per page, with free cover pages. Built by the makers of Genius Scan, it integrates with existing scan workflows and lets you preview contrast and sharpness before spending a credit.

Pros:

• Zero recurring weekly or monthly subscription traps
• Inexpensive credit packs designed for one-time document sending
• Direct pairing with Genius Scan for sharp optical character clarity

Cons:

• Does not include a recurring free page quota
• Dedicated inbound numbers require a paid rental fee

5. #FAX from iPhone – Best for Quick One-Touch Outbound Faxes

Bottom Line Upfront: #FAX from iPhone is engineered for fast mobile transmissions, offering a high 4.9 App Store rating and initial free testing capabilities.

• Free Allowance: Test pages granted upon download
• Key Features: Multi-page PDF joining, digital signature drawing, built-in archive

Users can scan paper via the rear camera or import Word and PDF files, with built-in image sharpening for line art and small text. An integrated signature tool lets you sign contracts with your finger or Apple Pencil before sending.

Pros:

• Extremely fast setup process requiring minimal personal account registration
• Native touchscreen signature pad for quick document execution
• Supports multi-format file conversions including Word, PDF, and JPG

Cons:

• Prompts users toward weekly subscriptions after trial credits are exhausted
• Higher cost for ongoing heavy monthly volume

6. mFax – Best Enterprise-Grade Reliability for iOS

Bottom Line Upfront: mFax is built for professionals requiring near-100% transmission success, audit trails, and multi-user team management.

• Free Allowance: 14-day full feature trial access
• Compliance: HIPAA, PCI-DSS compliance built-in

Standard mobile fax apps route traffic through cheap gateways that drop connections; mFax uses specialized carrier routing so complex multi-page files arrive intact, with real-time delivery receipts containing timestamps and error codes.

Pros:

• Unmatched delivery success rates across international destination lines
• Detailed official transmission receipts suitable for legal audit trails
• Multi-user account switching for corporate team members

Cons:

• Higher price point aimed primarily at businesses rather than casual users
• Requires account sign-up before accessing the trial scanner

7. MyFax – Best Budget Option for Permanent Dedicated Lines

Bottom Line Upfront: MyFax provides long-term value for users needing a dedicated local or toll-free number for ongoing inbound paperwork.

• Free Allowance: 30-day trial period on select plan tiers
• Key Features: Local/Toll-Free number selection, delivery to 150+ countries, unlimited cloud archive

Users can pick custom local area codes or national toll-free prefixes during setup. Inbound documents are stored in an organized in-app folder and automatically backed up to your email as searchable PDFs.

Pros:

• Broad selection of regional local and national toll-free fax numbers
• Generous monthly combined page limits on baseline tiers
• Long-standing network infrastructure with global delivery capabilities

Cons:

• Interface is functional but lacks modern UI animations
• Cancellation must be processed through account settings before trial ends

How to Send a Fax from iPhone Without App

If you need to send a single document urgently without installing third-party software, you can send a fax using web-based gateways or email:

1. Safari Web Utilities: Open Safari and navigate to a free online fax portal such as FaxZero or GotFreeFax.
2. Email-to-Fax Conversion: If you have an account with a fax vendor, address your email to `[RecipientFaxNumber]@[FaxProviderDomain].com`.
3. Attach Document from Files: Tap the attachment icon, select your document, add a short subject as a cover sheet, and tap Send.

While web-based methods work in emergency situations, dedicated iOS apps offer significantly higher optical resolution, automatic document margin cropping, and instant push notification delivery receipts.

Frequently Asked Questions

Which free fax app is easiest to use?

Municorn Fax App is the easiest to use due to its intuitive interface, automated camera scan processing, and instant sync with iOS Files—send a multi-page fax in under three taps.

What is the cheapest way to fax on iPhone?

The cheapest pay-as-you-go method is Genius Fax, charging small per-page credit packs ($0.99) with no subscription. For zero-cost sending, Fax Burner offers 5 free outbound and 25 free inbound pages monthly.

Does Apple offer a free fax app?

No, Apple does not pre-install a native fax app. iPhone users can scan documents with the built-in Notes app and send them free using third-party utilities like Municorn Fax App or Fax.Plus.

Can I send a fax from Gmail for free?

Yes, you can send a fax from Gmail on your iPhone using an email-to-fax bridge service. Address your Gmail message to the recipient's phone number followed by your provider's domain (e.g., `[email protected]`), and your attached PDF will be converted and transmitted to a physical fax machine.