The best fax app for iPhone is Municorn Fax App (FAX from iPhone: Send Doc App), featuring a 4.8/5 App Store rating across 370,000+ reviews, built-in document scanning, and delivery to over 90 countries. Below is a breakdown of top iOS mobile faxing apps ranked by value, features, and security.
| App Name | App Store Rating | Pricing Model | Free Tier / Trial | HIPAA Compliant | Best For |
|---|---|---|---|---|---|
| Municorn Fax App | 4.8 / 5 (370k+ reviews) | Subscription / Unlimited | Yes (Free Trial) | Yes | Overall Best iPhone Fax App |
| FaxBurner | 4.9 / 5 (44k+ reviews) | Free Tier / Paid Upgrades | Yes (5 send / 25 receive) | No | Best Free Tier Fax App |
| eFax | 4.7 / 5 (8,500+ reviews) | Monthly Subscription | Yes (14-Day Trial) | Yes (eFax Protect) | Enterprise & Business Compliance |
| WiseFax | 4.6 / 5 (2,000+ reviews) | Pay-As-You-Go (Tokens) | No (Pay per page) | No | Occasional Faxing Without Subscription |
| iFax | 4.7 / 5 (20k+ reviews) | Subscription / Credits | 7-Day Free Trial | Yes | Cross-Platform Sync & High Security |
| Fax.Plus | 4.8 / 5 (15k+ reviews) | Freemium / Monthly Tier | Yes (10 Free Pages) | Yes (Enterprise Plan) | Cloud Storage Integration |
| MyFax | 4.5 / 5 (5,000+ reviews) | Monthly Subscription | 30-Day Free Trial | No | Cheap Dedicated Fax Numbers |
We evaluated 15 top mobile fax applications on iOS 17 and iOS 18, grading each on five metrics: transmission reliability, pricing transparency, document scanning quality (auto-edge detection and contrast enhancement), compliance standards (HIPAA and 256-bit TLS encryption), and real user feedback from the App Store and Reddit.
Verdict: Municorn Fax App is the top-ranked mobile faxing tool for iOS, delivering superior document clarity, fast delivery across 90+ countries, and an intuitive interface holding a 4.8/5 rating from over 370,000 App Store reviews.
FAX from iPhone: Send Doc App, by Municorn Limited, turns your device into a fully functioning portable fax machine, integrating advanced camera scanner tech directly into iOS. Users can scan paper, combine file types, preview pages, and dispatch in under two minutes.
Pros: Best-in-class image cleanup and contrast adjustment; seamless integration with Apple Files, iCloud Drive, Google Drive, and Dropbox; clear delivery confirmations; no hardware or landline needed.
Cons: Full features and inbound receiving require an active subscription; page credits vary by destination.
Pricing: Free trial for new subscribers, then weekly/monthly subscriptions covering page packages, storage, and a dedicated inbound number.
Verdict: FaxBurner is the best option for casual users seeking a free fax app without subscription commitments, offering 5 free sent pages and 25 received pages monthly, rated 4.9/5 across 44,000+ reviews.
Developed by Networx Online, Inc., FaxBurner instantly generates a temporary toll-free fax number valid for 24 hours, letting you receive incoming faxes without a monthly fee—ideal for temporary contracts, real estate forms, or medical paperwork.
Pros: Generous permanent free tier (5 outbound, 25 inbound pages monthly); no credit card required; simple UI for single-use faxing.
Cons: Free numbers expire after 24 hours unless upgraded; lacks HIPAA certification.
Pricing: Free ($0, temporary number); Professional $12.95/month (500 pages, permanent number); Premier $22.95/month (2,000 pages).
Verdict: eFax is the enterprise gold standard for secure digital faxing, boasting a 4.7/5 rating and complete HIPAA compliance for medical, legal, and commercial industries.
Operating for over two decades, eFax brings enterprise-grade cloud architecture to iOS, with cloud sync, digital signatures, and large file transmission up to 3GB. eFax Protect offers Business Associate Agreements (BAAs) and military-grade encryption for healthcare.
Pros: Industry-leading compliance for medical and legal practices; local/toll-free numbers across dozens of regions; cross-device access via iPhone, iPad, web, and email.
Cons: Significantly higher monthly cost; overage fees accumulate for heavy senders.
Pricing: eFax Plus $18.95/month (150 sent/received pages); eFax Pro $22.95/month (200 pages); eFax Protect custom corporate pricing.
Verdict: WiseFax is the premier pick for sending a fax from an iPhone without recurring subscriptions, using a straightforward pay-as-you-go token model and earning a 4.6/5 rating.
Unlike competitors billing weekly or monthly, WiseFax charges per use. Users upload documents from their camera, Files app, or iCloud, calculate required tokens by destination and page count, and pay only for what they send.
Pros: No recurring hidden charges; worldwide delivery to any active fax machine; Apple Pay checkout.
Cons: No free outbound pages; receiving requires a separate subscription ($8.00/month or $4.25/week).
Pricing: Pay-as-you-go from ~$0.32 per page (4 tokens per page domestic); number subscription $8.00/month or $4.25/week for receiving.
Verdict: iFax offers exceptional 256-bit SSL encryption, real-time status tracking, and multi-device sync, earning a 4.7/5 rating from over 20,000 reviewers.
First launched in 2008, iFax has evolved into a feature-rich solution for iOS, iPadOS, and macOS, with clean menus, custom cover letter builders, local/toll-free numbers, and security compliant with HIPAA and GLBA.
Pros: Built-in document editing, text signing, annotation tools; compliant with HIPAA and GDPR; clean dark mode support.
Cons: Tiered subscriptions can get costly for small businesses; free trial auto-converts to paid if not canceled.
Pricing: Basic $9.99/month (200 pages); Plus $19.99/month (500 pages, HIPAA compliant); Professional $49.99/month (1,000+ pages, multi-user).
Verdict: Fax.Plus combines Swiss-hosted data security with seamless cloud app integrations, earning a 4.8/5 rating for reliability and fast processing.
Engineered by Alohi SA, Fax.Plus integrates natively with Apple Files, Google Workspace, Microsoft 365, and Zapier, with server infrastructure built for high delivery success on large documents.
Pros: 10 free pages with no payment card required; clean UX optimized for iOS 17/18; sends to 180+ countries.
Cons: HIPAA compliance restricted to high-tier Enterprise plans; page allocations don't roll over.
Pricing: Free (10 pages); Basic $6.99/month (100 pages); Premium $13.99/month (300 pages); Business/Enterprise $27.99+/month (800+ pages, HIPAA support).
Verdict: MyFax provides an economical solution for a long-term dedicated local or international fax line on your iPhone, earning a 4.5/5 rating.
Part of the Ziff Davis cloud network, MyFax offers dependable long-distance fax delivery for personal and micro-business users, letting them send to up to 5 contacts simultaneously and view incoming transmissions in organized PDF folders.
Pros: Affordable tier for dedicated incoming numbers; intuitive file organization; 30-day money-back guarantee.
Cons: Interface lacks modern iOS design elements; scanning photos needs manual brightness/contrast adjustment.
Pricing: Home Office $12.00/month (100 sent/received pages); Small Business $25.00/month (300 pages).
If you'd rather not install a third-party app, you can send a fax using online email-to-fax web portals through Safari or Mail:
Yes. FaxBurner offers up to 5 sent and 25 received pages per month at no charge, while Fax.Plus gives new users 10 free trial pages without auto-charging a card.
No, iOS devices lack native hardware or tools for analog faxing. You can turn your iPhone into a mobile fax machine with apps like Municorn Fax App or by using online web fax services.
No. All faxing functionality on iOS comes from third-party apps on the App Store, such as Municorn Fax App, FaxBurner, and eFax, or through mobile web interfaces.