Best Mobile Fax App for iPhone & Android - Send Faxes from Your Phone
Transform your smartphone into a powerful fax machine with FaxFlow - the top-rated mobile fax app trusted by over 100,000 users. Scan documents with your camera, import files from the cloud, and send secure faxes instantly from your iPhone or Android device. No fax machine needed, no complicated setup - just download and start faxing in minutes.

Premium Features That Make FaxFlow the Best Mobile Fax App
Professional-grade features designed for seamless mobile faxing. Whether you're using an iPhone, iPad, Android phone, or tablet, FaxFlow delivers the complete fax solution right in your pocket. Experience why we're rated 4.8 stars with over 12,000 reviews.
Document Scanner
Transform your phone's camera into a professional document scanner. Our advanced scanning technology automatically detects edges, enhances image quality, removes shadows, and converts to PDF - creating perfect fax-ready documents every time.
Email Confirmations
Never wonder if your fax was delivered. Get instant email confirmations with detailed delivery reports including timestamp, page count, and recipient details. Track every fax sent from your mobile device with complete transparency.
Cloud Integration
Seamless integration with your preferred cloud storage. iOS users can import directly from iCloud, while Android users access Google Drive. Send any document stored in the cloud without downloading - it's that simple.
Offline Mode
No internet? No problem. Prepare your faxes offline - scan documents, add cover letters, and queue multiple faxes. Everything automatically sends when you reconnect. Perfect for travel or areas with spotty coverage.
Why Choose FaxFlow Mobile App Over Traditional Fax Machines
Discover the advantages of mobile faxing that make FaxFlow the smart choice for modern professionals and businesses.
Instant Sending
Send faxes instantly from anywhere in the world. No waiting for busy signals, no paper jams, no maintenance. Your smartphone becomes a 24/7 fax machine that's always ready when you need it.
Bank-Level Security
Every fax is protected with 256-bit SSL/TLS encryption during transmission. Documents are automatically deleted after sending. Perfect for healthcare providers, lawyers, and anyone handling sensitive information.
Global Coverage
Send international faxes to over 180 countries without additional charges. The app automatically formats international numbers and handles country codes, making global communication seamless.
Professional Cover Pages
Choose from our professional cover letter templates or create your own on our website. Add your company info, customize fields, and save frequently used templates for quick access.
Smart Processing
Automatic retry for failed transmissions (up to 3 attempts), intelligent number validation, and smart document optimization ensure your faxes are delivered successfully every time.
Cross-Device Sync
Start a fax on your iPhone and finish on your iPad. Or begin on your Android phone and complete on your tablet. Everything syncs automatically across all your devices.
Available on All Your Devices - iPhone, iPad, Android & More
Whether you prefer iPhone or Android, tablet or phone, FaxFlow works seamlessly across all your devices. Your faxes sync automatically between devices, ensuring you never miss an important document. With optimized apps for every platform, you get the best faxing experience regardless of your device choice.
iPhone & iPad (iOS 14+)
- Optimized for all iPhone models
- Native iPad app with split-screen multitasking
- iCloud Drive integration for seamless file access
- Secure app with authentication protection
Android Phones & Tablets (7.0+)
- Works on all Android devices from Samsung, Google, OnePlus, and more
- Tablet-optimized interface for larger screens
- Google Drive integration for cloud document access
- Material Design interface following Android guidelines


One App, All Devices
Experience seamless faxing across all your devices. Your documents sync automatically, so you can start on your phone and finish on your tablet.
How to Send Your First Mobile Fax in 3 Simple Steps
Download the app, scan your document, and send. It really is that simple. No technical knowledge required - if you can use a smartphone, you can send a fax with FaxFlow.
Download the Free App
Get FaxFlow free from the App Store (iPhone/iPad) or Google Play Store (Android). The app download takes less than a minute, and you can start faxing immediately.
Scan or Import Documents
Use your phone's camera to scan paper documents instantly, or import existing files from your email, cloud storage (iCloud/Google Drive), or device storage.
Enter Number & Send
Type in the fax number, add an optional cover letter, and tap send. Your fax is delivered securely with 256-bit encryption and you'll receive email confirmation.
Ready to start faxing from your phone?
Who Uses the FaxFlow Mobile Fax App?
From healthcare professionals to real estate agents, lawyers to small business owners - thousands of professionals trust FaxFlow for their mobile faxing needs.
Healthcare Providers
Send prescriptions, medical records, and insurance forms securely. Our 256-bit encryption meets healthcare document standards, making it perfect for compliant communications.
Legal Professionals
File court documents, send contracts, and deliver time-sensitive legal papers. Email confirmations provide proof of delivery for your records and client documentation.
Real Estate Agents
Send purchase agreements, inspection reports, and closing documents from property showings. The mobile scanner lets you capture and send documents on-site without returning to the office.
Small Business Owners
Send invoices, purchase orders, and contracts without investing in expensive fax equipment. Perfect for businesses that occasionally need to fax without the overhead of a traditional fax line.
Is the FaxFlow mobile fax app free to download?
Yes! The FaxFlow mobile fax app is completely free to download on both iOS App Store and Google Play Store. You only pay when you send faxes, with flexible weekly ($9.99), monthly ($29.99), or annual ($149.99) subscription plans available. No hidden fees or per-page charges.
Can I scan documents with my phone camera?
Absolutely! Our mobile fax app includes a powerful built-in document scanner that uses your phone's camera to capture crisp, clear scans. The app automatically detects edges, enhances the image quality, removes shadows, and converts documents to PDF format for professional faxing.
What file types can I fax from the mobile app?
The FaxFlow mobile fax app supports all major file formats including PDF, JPG, PNG, and more. iOS users can import documents directly from iCloud, while Android users can access files from Google Drive. Maximum file size is 20MB per fax.
Is the mobile app secure for sensitive documents?
Yes! The FaxFlow mobile app uses 256-bit SSL/TLS encryption for all transmissions, the same security standard used by banks. All documents are encrypted during transmission over HTTPS and automatically deleted from our servers after successful delivery. Perfect for healthcare, legal, and financial documents.
Which devices work with FaxFlow mobile app?
FaxFlow mobile fax app works on iPhone (iOS 14.0+), iPad, Android phones (7.0+), and Android tablets. The app is optimized for all screen sizes and automatically syncs between your devices, so you can start a fax on your phone and finish on your tablet.
Can I send international faxes from the app?
Yes! You can send international faxes to over 180 countries directly from the FaxFlow mobile app. International faxes are included in all subscription plans with no additional charges. The app automatically formats international numbers correctly.
Does the mobile fax app work offline?
Yes! FaxFlow mobile app includes an offline mode that lets you prepare faxes without an internet connection. Scan documents, add cover pages, and queue faxes while offline. The app automatically sends them when you reconnect to the internet.
How do I get delivery confirmation?
Every fax sent through the FaxFlow mobile app includes automatic email delivery confirmation. You'll receive a detailed report showing the delivery status, timestamp and recipient information sent directly to your email.
Frequently Asked Questions About Our Mobile Fax App
Got questions about our mobile fax app? Find answers to the most common questions here. Our support team is also available 24/7 to help with any issues or concerns you might have.
Whether you're wondering about compatibility, security, features, or pricing - we've got you covered. Can't find what you're looking for? Reach out to our friendly support team.
Related Mobile Faxing Resources
Explore our comprehensive guides and resources to make the most of mobile faxing with FaxFlow.
How to Send Fax from iPhone
Complete guide to faxing from your iPhone using the FaxFlow app. Step-by-step instructions with screenshots.
How to Send Fax from Android
Learn how to send faxes from any Android device. Works with Samsung, Google Pixel, OnePlus, and more.
Send Fax Online
Prefer using a web browser? Learn about our online fax service that works on any device.
Secure Faxing Guide
Understand our security features and best practices for sending sensitive documents via fax.
Pricing & Plans
Compare our flexible pricing plans. Weekly, monthly, and annual options with no hidden fees.
Fax Cover Sheet Templates
Access professional cover letter templates available in the mobile app. Customize for your needs.
Download the Best Mobile Fax App Today
Join over 100,000 users who trust FaxFlow for mobile faxing. Free to download on iPhone and Android. No contracts, no setup fees, cancel anytime. Start sending secure faxes from your phone in minutes.