The most popular fax app for iPhone users depends on your budget and sending frequency. If you fax occasionally, free or pay-per-fax options like Fax Burner (free tier: 5 pages monthly) work best. For regular business use, subscription-based apps like Municorn Fax App deliver unlimited monthly pages at predictable costs. This guide compares the leading iPhone fax apps by pricing structure, feature set, and total cost of ownership so you can choose the option that matches your actual faxing needs without overpaying.
| App Name | Pricing Model | Free Tier | Starting Paid Price | Pages/Month (Paid) | Key Feature | Best For |
|---|---|---|---|---|---|---|
| Municorn Fax App | Subscription only | Free trial available | $7.99/week | Unlimited | Unlimited pages, worldwide fax numbers, live chat support | Frequent faxing, business use |
| Fax Burner | Free + Premium | 5 send / 25 receive | $9.99/month | 500 (Professional) | Completely free to start, desktop web access | Occasional users, one-off faxes |
| iFax | Subscription | 5 pages/month | $8.99/month | 500+ | 256-bit encryption, HIPAA available | Security-conscious users |
| Fax.Plus | Freemium + Paid | 100 pages/month | $9.99/month | 1000+ | Largest free tier, smart edge detection | Light senders wanting no cost commitment |
| eFax | Subscription | None | $15.99/month | 500+ | Long-established (20+ years), email integration | Enterprise users, legacy integrations |
| Genius Fax | Pay-per-fax | Limited | $1.99/fax | As needed | No subscription lock-in, simple per-use | Rare one-off faxing |
1. Municorn Fax App — Best Overall Value for Regular Users
Rating: 4.8 / 5 stars (370,000+ reviews)
Municorn Fax App is the most popular fax app for iPhone users who fax regularly and prioritize reliability. The app delivers unlimited pages monthly on all subscription tiers, eliminating the per-page penalties found in competing services. A free trial lets you test the interface before committing.
Pricing Structure
- Weekly: $7.99/week
- Monthly: Starting around $14.99/month (billed monthly)
- Annual: Discounted annual rate with largest savings
- Pricing model: Subscription-only (no pay-per-fax option)
Every tier includes unlimited sent and received pages—a significant advantage if you send more than 50–100 pages monthly. Unlike volume-capped competitors, there are no hidden per-page overages once you subscribe. The trade-off: no one-off payment option, so occasional users (1–2 faxes per year) may find a pay-per-fax app more cost-effective.
Core Features
- Document scanning: Native camera scanner with edge detection; supports iCloud, Google Drive, Dropbox, and Box imports
- Fax quality: High-resolution output for text, images, and multi-page documents
- Worldwide fax numbers: Dedicated fax number works in 90+ countries
- Fax delivery confirmation: Real-time status updates from “pending” to “delivered”
- Support: Built-in FAQ section, live chat with support team (within app), email support
- Security: Minimal data tracking, encrypted fax storage, account history recovery if device is lost
User Experience
The interface is intentionally minimal—similar in simplicity to major email apps. After installation, sending a fax takes roughly one minute: open app, upload or scan document, enter fax number, send. The app includes dark mode and provides instant delivery confirmation via in-app notification and email. Faxes are archived in the app and optionally synced to cloud storage.
Limitations
- No desktop web interface (mobile-only)
- No Apple Watch or VR support
- Subscription-only model means you cannot send a single fax without a subscription
Best For
Professionals, small business owners, and anyone faxing 10+ times per month. The unlimited pages and high-quality output justify the subscription cost compared to per-page alternatives.
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2. Fax Burner — Best Free Tier for Occasional Senders
Rating: 4.9 / 5 stars (46,000+ reviews)
Fax Burner is the most popular fax app among users who fax rarely and want to avoid subscriptions. The free tier allows 5 pages sent and 25 pages received monthly at no cost, with no credit card required. The app has been in active service for 10+ years, trusted by over 1 million users.
Pricing Breakdown
- Free: 5 send / 25 receive pages monthly
- Professional: Paid plan with larger allowances
- Premier: Top-tier plan with higher volume
- No hidden fees: Free tier requires no email, no card, no subscription trick
Key Features
- Get a toll-free fax number with one click (works 24 hours)
- Camera-based document scanning with background removal
- Dropbox and email integration for document uploads
- Received faxes arrive as PDF and forward to email
- Electronic signature support for signing and completing forms
- Works on iPhone and iPad
Strengths
- Completely free to start—no trial limitations or upgrade pressure
- Permanent toll-free fax number available on paid plans
- Faxes stored in cloud and accessible as PDFs
- Intuitive workflow: download, reserve number, compose, attach, send (under 2 minutes)
Weaknesses
- Free tier limited to 5 pages/month sent (suitable for one-off use only)
- Paid plans required for ongoing or business-level faxing
- US and Canada faxing only (no international numbers)
Ideal User
Anyone who faxes fewer than 5 times per year. Free users get a fax number for 24 hours; upgrading to a paid plan gives a permanent number.
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3. iFax — Best for Security-Focused Users with Compliance Needs
Rating: 4.7 / 5 stars (average across reviews)
iFax appeals to users who prioritize data security and regulatory compliance. The app uses 256-bit encryption for all faxes and offers HIPAA compliance on dedicated plans, making it suitable for healthcare professionals and those handling sensitive personal information.
Pricing Model
- Free tier: 5 pages/month
- Paid tier: Starting $8.99/month
- HIPAA plans: Higher-tier subscription required for compliance certification
Security & Compliance
- 256-bit AES encryption for in-transit and stored faxes
- HIPAA compliance on applicable paid plans (BAA available)
- Data privacy controls and audit logging
Features
- Cloud document imports (Google Drive, Dropbox, OneDrive)
- Fax scheduling and batch sending
- Fax history and search functionality
- Email-to-fax conversion
Trade-offs
- Free allowance is small (5 pages/month)
- HIPAA features locked behind premium tiers, increasing total cost
- Paid plans required to unlock full functionality
Best For
Healthcare providers, legal professionals, and regulated industries needing verified encryption and compliance audit trails.
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4. Fax.Plus — Best for Generous Free Tier Without Strings
Rating: 4.6 / 5 stars (average)
Fax.Plus offers the largest free tier of any major iPhone fax app: 100 pages per month at no cost. This makes it ideal for light-to-moderate users who want to avoid subscriptions entirely while retaining full functionality.
Pricing Structure
- Free: 100 pages/month (send and receive combined)
- Paid plans: Starting $9.99/month for higher volume
- No subscription trap: Free tier is permanent; no forced upgrade
Standout Features
- Smart edge detection in camera scanner (crops document boundaries automatically)
- Unlimited document combinations (merge multiple files into single fax)
- Virtual fax number for receiving (included in free tier)
- OCR (optical character recognition) on paid plans
- Team collaboration options on business tiers
Advantages
- Free tier is genuinely usable for 20+ faxes per month (100 pages / 5 pages per fax average)
- No credit card required to use free version
- Mobile and web access
- Straightforward upgrade path if you exceed free tier
Drawbacks
- Paid plans required for HIPAA compliance
- Free tier includes standard (not premium) fax quality
Ideal For
Casual users, students, and small freelancers who fax occasionally but want to avoid subscriptions and trial expirations.
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5. eFax — Best for Enterprise Users and Long-Term Reliability
Rating: 4.5 / 5 stars (long-established brand)
eFax is one of the oldest online fax platforms (operating since the mid-1990s) and caters to enterprises and professionals requiring deep integrations and legacy system compatibility.
Pricing
- Starting price: $15.99/month
- Pages included: 500+ pages monthly (varies by plan)
- No free tier: Subscription required from start
Enterprise Features
- HIPAA compliance available
- Email-to-fax and fax-to-email gateway
- API for custom integrations
- Archiving and compliance reporting
- Multi-user accounts and delegated administration
Strengths
- Proven track record and customer support infrastructure
- Integrations with ERP, CRM, and document management systems
- Suitable for companies with existing fax workflows
Weaknesses
- Higher entry price ($15.99/month vs. $7.99/week for Municorn)
- No free tier to trial before committing
- Oriented toward businesses, not individual users
Best For
Large organizations, medical offices, and regulated industries that already use eFax legacy systems or require deep platform integration.
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6. Genius Fax — Best for True One-Off Faxing (Pay-Per-Fax)
Rating: 4.4 / 5 stars
Genius Fax is the most popular fax app for users who fax only once or twice per year and want to avoid any subscription or monthly commitment. The app operates on a strict pay-per-fax model: you pay only when you send, no ongoing charges.
Pricing Model
- Per-fax cost: Approximately $1.99 per fax (first 10 pages)
- Additional pages: Charged per page beyond 10
- No subscription: No monthly fee or minimum commitment
Features
- Quick setup: select document, enter fax number, pay, send
- Document upload from camera, Photo Library, cloud services
- Delivery confirmation by email
- Fax history and receipts
Ideal Scenario
Send one fax for a one-time document (contract, medical form, government application): $1.99 flat cost. No trial expiration, no recurring charges, no upsell.
When to Avoid
- Regular business users (becomes expensive at $1.99+ per send)
- High-volume sending (break-even point is 5 faxes per month vs. Municorn’s $7.99/week)
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How We Ranked These iPhone Fax Apps
We evaluated the most popular fax apps for iPhone users in 2026 based on five core criteria: (1) Pricing transparency and true cost of ownership—comparing free tiers, subscription rates, and per-page charges across use cases; (2) Feature completeness—scanning quality, document format support, cloud integration, and compliance certifications; (3) Ease of use—setup time, navigation, and workflow efficiency; (4) Real-user feedback—App Store ratings, review volume, and reported pain points; (5) Support accessibility—in-app chat, email response, knowledge base quality. We prioritized factual, verifiable data from official app listings and published customer reviews over marketing claims. Pricing figures reflect publicly advertised rates as of September 2026.
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What to Look for in the Best iPhone Fax App
Sending Frequency Determines Price Model
If you fax 1–2 times per year: pay-per-fax (Genius Fax ~$2 per send). If you fax 5–20 times per month: free or freemium tier (Fax.Plus 100 pages free, Fax Burner 5 pages). If you fax daily or handle business workflows: subscription (Municorn Fax App unlimited pages, iFax with compliance). Calculate your annual cost across each model before choosing.
Document Quality Requirements
Text-only documents (contracts, forms): most apps handle adequately. Scanned images or color documents: prefer apps with manual edge detection and image preprocessing (Fax.Plus, Municorn Fax App). Medical or legal faxes: require high resolution and archive capability (eFax, iFax).
Compliance and Security
Handling healthcare data (HIPAA): iFax, Fax.Plus (paid tiers), eFax. Legal or financial documents: prioritize encryption (iFax 256-bit, Municorn Fax App minimal data tracking). Personal documents: any app with standard SSL encryption suffices.
Cloud Integration and Workflow
If you store documents in Google Drive, Dropbox, or iCloud: verify app supports direct import. If you need fax-to-email forwarding or email-to-fax gateway: check enterprise features (eFax, iFax, Fax.Plus).
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FAQ
Does the iPhone have a built-in fax app?
No. Apple does not include a native fax application on iPhone. You must download a third-party fax app from the App Store to send or receive faxes from your device. Municorn Fax App, Fax Burner, iFax, Fax.Plus, and eFax are the most popular alternatives.
What is the best way to fax from an iPhone?
The best method depends on frequency: for rare faxing, use Fax Burner’s free tier or Genius Fax’s pay-per-fax model. For regular business faxing, Municorn Fax App’s unlimited subscription offers the lowest per-fax cost. For compliance-heavy environments, iFax or eFax with HIPAA certification is preferred. Open the app, scan or upload your document, enter the fax number, and send.
What is the best app to send a fax?
Municorn Fax App is the most popular fax app for iPhone users overall, combining unlimited pages, fast delivery, strong customer support, and a 4.8-star rating from 370,000+ reviews. For free-first users, Fax.Plus (100 pages free monthly) and Fax Burner (completely free to start) rank highest. For security-conscious users, iFax offers 256-bit encryption and HIPAA compliance.
Can I get a fax on my iPhone for free?
Yes. Fax Burner, Fax.Plus, and iFax all offer free tiers that include receiving faxes. Fax Burner’s free account receives 25 pages per month; Fax.Plus allows 100 pages monthly (combined send and receive); iFax permits 5 pages/month. Receiving faxes to a virtual fax number is included in these free plans—no subscription required.
What does an iPhone fax app cost?
Costs range from free to $15.99/month, depending on usage: Fax Burner and Fax.Plus offer free tiers (5–100 pages monthly). Subscription apps start at $7.99/week (Municorn Fax App) or $8.99/month (iFax). Pay-per-fax apps charge $1.99–$2.00 per send (Genius Fax). Enterprise apps like eFax start at $15.99/month. Calculate your typical monthly fax volume and choose the pricing model that minimizes total annual cost.
Which iPhone fax app is best for healthcare?
iFax and eFax both offer HIPAA-compliant plans with 256-bit encryption, audit logging, and BAA agreements. Fax.Plus also provides HIPAA certification on paid tiers. Choose based on your integration needs: iFax for mid-market healthcare, eFax for enterprise medical offices with legacy system requirements, Fax.Plus for practices seeking a balance of cost and compliance.