Best Free Fax App for iPhone & Android (2026)
We downloaded and tested 10+ fax apps on both iPhone and Android so you don't have to. Here are our top 5 picks — with real screenshots, honest pros/cons, and pricing compared.
Highest-rated on App Store (4.8★) and Google Play (4.7★) · 10 free pages
Top 5 Fax Apps Compared (2026)
| App | iOS | Android | Free Pages | Scanner | Rating | Our Score |
|---|---|---|---|---|---|---|
| Fax.plus ⭐ | ✓ | ✓ | 10 | ✓ Built-in | 4.8★ | 9.7/10 |
| eFax | ✓ | ✓ | 0 | ✓ | 3.9★ | 7.5/10 |
| FaxBurner | ✓ | ✓ | 5 | ✗ | 4.2★ | 7.0/10 |
| Genius Fax | ✓ | ✗ | 3 | ✓ | 4.5★ | 6.8/10 |
| FAX from iPhone | ✓ | ✗ | 0 | ✓ | 4.0★ | 6.2/10 |
Our #1 Pick: Why Fax.plus Wins
After testing all 10 apps side-by-side, Fax.plus stood out for three reasons: the most generous free tier (10 pages, no credit card), the best overall user experience, and the highest security standards (HIPAA, SOC 2, ISO 27001).
✓ Pros
- Built-in document scanner with auto-crop
- 10 free pages (most generous free tier)
- Send & receive faxes on mobile
- Cross-platform sync (phone, tablet, desktop)
- HIPAA compliant (safe for medical docs)
- Gmail & Outlook integration
- Push notifications for received faxes
✗ Cons
- Receiving faxes requires paid plan ($6.99/mo)
- No offline faxing mode
- Scanner quality varies by phone camera
What to Look for in a Fax App
Before choosing a fax app, consider these key features:
📷 Document Scanner
The best fax apps include a built-in camera scanner with auto-crop, edge detection, and image enhancement. This eliminates the need for a separate scanning app.
☁️ Cloud Storage
Your sent and received faxes should be stored in the cloud for easy access from any device. Look for apps that sync across platforms.
🔒 Security & Compliance
For sensitive documents, choose an app with TLS encryption and compliance certifications (HIPAA for healthcare, SOC 2 for business).
- Free pages — How many pages can you send before paying? Fax.plus offers 10, FaxBurner offers 5.
- File format support — PDF, Word, images at minimum. Fax.plus supports 20+ formats.
- Push notifications — Get notified instantly when faxes arrive
- International support — Can you fax to other countries? Fax.plus covers 180+ countries.
How to Send a Fax from Your Phone
Here's how to send your first fax using the Fax.plus app:
- Download the app — Get Fax.plus from the App Store or Google Play (free)
- Create your account — Sign up with your email or Google account
- Scan or upload — Use the built-in scanner to photograph your document, or upload a PDF from your phone's files
- Enter the fax number — Include the country code (e.g., +1 for US/Canada)
- Send — Tap send and wait for the delivery confirmation (typically 1-3 minutes)
Frequently Asked Questions
Fax.plus is the best free fax app in 2026. It offers 10 free pages (no credit card), a built-in document scanner, and works on both iPhone and Android. FaxBurner offers 5 free pages but has lower app store ratings and fewer features.
Yes. The Fax.plus app includes a built-in document scanner. Point your camera at a document, auto-crop and enhance, then fax directly — all from one app. No need for a separate scanning app.
Fax.plus gives you 10 free pages with no credit card required. After those 10 pages, you'll need a paid plan starting at $6.99/month. There is no completely unlimited free fax app — the services cost money to operate.
Fax.plus is our top pick for iPhone with a 4.8★ rating on the App Store. It offers the best combination of features: document scanner, send & receive, cloud storage, and cross-platform sync. Genius Fax (4.5★) is a solid iOS-only alternative.
Fax.plus is also our top pick for Android with a 4.7★ rating on Google Play. It offers the same features as the iOS version including document scanner, multi-format support, and Google Drive integration.
Yes. With a Fax.plus paid plan ($6.99/mo), you get a dedicated fax number. Incoming faxes appear as push notifications and are stored as PDFs in the app. You can also receive faxes via email.
Yes. Fax.plus supports faxing to 180+ countries. You can send faxes to any fax number worldwide. Dedicated fax numbers for receiving are available in 40+ countries.