Best Fax App for iPhone & Android (2026)
We downloaded and tested 10+ fax apps so you don't have to. Here are our top picks for sending faxes from your phone.
Best Fax App: Fax.plus
Highest-rated fax app on both App Store and Google Play
Download Fax.plus → *Affiliate link
Top 5 Fax Apps Compared
| App | iOS | Android | Free Pages | Rating | Our Score |
|---|---|---|---|---|---|
| Fax.plus ⭐ | ✓ | ✓ | 10 | 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 |
Why Fax.plus Is Our #1 Pick
✓ Pros
- Built-in document scanner
- 10 free pages (no credit card)
- Send & receive on mobile
- Cross-platform sync
- HIPAA compliant
✗ Cons
- Receiving requires paid plan
- No offline mode
- Scanner quality varies by device
Key Features to Look For
- Document Scanner — Scan paper documents with your phone camera
- Cloud Storage — Access sent/received faxes from any device
- Push Notifications — Get notified when faxes arrive
- Multi-Format Support — Send PDFs, images, Word docs, and more
- Security — Look for TLS encryption and compliance certifications
FAQ
Yes. The Fax.plus app includes a built-in document scanner. Point your camera at a document, auto-crop, and fax directly — all from one app.
Fax.plus offers the most generous free tier (10 pages). FaxBurner offers 5 free pages. Most other apps require immediate payment or subscriptions.