iOS Fax Guide10 min read

How to Send Fax from iPhone - Complete 2025 Guide

Learn how to send fax from iPhone quickly and securely using the FaxFlow iOS fax app. No fax machine, phone line, or complicated setup required. Transform your iPhone into a powerful mobile fax solution with our step-by-step iPhone fax guide.

5 star rating4.8/5(12,543 iPhone users)
100K+ iOS DownloadsiOS 14+ Compatible
FaxFlow iPhone fax app preview screen showing document ready to send

Why iPhone Users Choose FaxFlow for Mobile Faxing

In today's fast-paced digital world, the ability to send fax from iPhone has become essential for professionals, businesses, and individuals who need to transmit important documents quickly and securely.

No Fax Machine Required

Transform your iPhone into a powerful mobile fax machine. No more searching for "fax near me" or dealing with outdated equipment. Your iOS device is all you need to send professional faxes anywhere, anytime.

Seamless iOS Integration

Leverage your iPhone's capabilities with native iCloud integration, built-in camera scanner, and Files app access. Perfect compatibility with iOS 14+ ensures smooth operation on all iPhone models including the latest iPhone 15 series.

Professional Grade Features

Send legal contracts, medical records, government forms, and business documents with confidence. Advanced document scanning, professional cover letters, and delivery confirmations ensure your iPhone faxes meet professional standards.

Enterprise-Grade Security

Your iPhone faxes are protected with 256-bit SSL/TLS encryption during transmission. Documents are automatically deleted after delivery, meeting healthcare and legal industry standards for secure document transmission.

This comprehensive guide will walk you through everything you need to know about how to fax from iPhone, including step-by-step instructions, pro tips for optimal results, security features, and answers to frequently asked questions. By the end of this guide, you'll be ready to send your first fax from iPhone in minutes.

How to Send Fax from iPhone: Step-by-Step Instructions

Follow these detailed steps to start faxing from your iPhone using the FaxFlow iOS app. The entire process takes less than 5 minutes from download to delivery.

1

Download FaxFlow iPhone App from App Store

Begin your iPhone fax journey by opening the App Store on your iOS device. Search for "FaxFlow" or "iPhone fax app" and tap the download button to install. The FaxFlow app is free to download and works seamlessly on all iPhone models running iOS 14 or later, including the latest iPhone 15 series.

The app download is lightweight and installs quickly even on slower connections. Once installed, you'll see the FaxFlow icon on your home screen - your gateway to mobile faxing from iPhone.

Get FaxFlow iOS App Nowarrow

App Store

Download FaxFlow for iPhone

2

Add Your Document to Fax from iPhone

FaxFlow offers multiple ways to add documents for faxing from your iPhone, making it versatile for any situation:

  • check
    iPhone Camera Scanner: Use your iPhone's camera to scan physical documents. The app includes automatic edge detection, perspective correction, and image enhancement to ensure professional-quality scans. Perfect for contracts, forms, or handwritten notes.
  • check
    iCloud Drive Integration: Access documents stored in your iCloud Drive directly from the FaxFlow app. This iOS-exclusive feature ensures seamless integration with your Apple ecosystem.
  • check
    Files App Import: Import documents from the iOS Files app, including PDFs and images (JPG/PNG). Maximum file size is 20MB per fax.
Add files to fax on iPhone using camera scanner or file import
Add professional cover letter when faxing from iPhone
3

Add Cover Letter (Optional but Recommended)

Enhance your iPhone fax with a professional cover letter. FaxFlow includes 10+ customizable templates suitable for business, legal, medical, and personal use. Adding a cover letter helps ensure your fax reaches the right person and provides context for your documents.

Cover letter details you can include:

  • checkRecipient name, company, and department
  • checkYour contact information and return fax number
  • checkSubject line and urgency level
  • checkPersonal message, case numbers, or reference information
4

Enter Recipient Fax Number

Input the recipient's fax number carefully. FaxFlow's iPhone app includes intelligent number validation to ensure proper formatting:

  • checkDomestic US faxes: Enter 10-digit number (area code + number)
  • checkInternational faxes from iPhone: Include country code (e.g., +44 for UK, +81 for Japan)
  • checkToll-free numbers: Supported for US and Canada (1-800, 1-888, etc.)

The app will automatically format the number and verify it's a valid fax destination before sending.

Enter recipient fax number on iPhone and preview before sending
Track sent faxes from iPhone with delivery confirmations
5

Send and Track Your iPhone Fax

Review your fax one final time, then tap the Send button. Your iPhone fax is now being transmitted securely using 256-bit SSL/TLS encryption. The FaxFlow app provides real-time status updates:

  • Sending: Your fax is being transmitted from your iPhone
  • Delivered: Fax successfully delivered to recipient's machine

Pro tip: Enable push notifications on your iPhone to receive instant alerts when your fax is delivered. You'll also get an email confirmation.

Powerful iPhone Fax Features in FaxFlow iOS App

Discover the comprehensive features that make FaxFlow the preferred iPhone fax app for over 100,000 iOS users worldwide

Advanced iPhone Camera Scanner

Transform your iPhone into a professional document scanner. Features automatic edge detection, perspective correction, multiple page scanning, and intelligent image enhancement for crystal-clear fax transmission.

Seamless iCloud Integration

Access documents from iCloud Drive directly within the FaxFlow iPhone app. Sync your files across all your Apple devices and upload them to FaxFlow with one tap.

Professional Cover Letters

Choose from our customizable cover letter templates designed for business, legal, medical, and personal use. Save frequently used templates for quick access when faxing from iPhone. Available on our website.

256-bit SSL/TLS Encryption

Your iPhone faxes are protected with industry-standard 256-bit SSL/TLS encryption during transmission. Documents are deleted immediately after successful delivery, ensuring your privacy.

Offline Mode for iPhone

Prepare your faxes offline on your iPhone and they'll automatically send when you reconnect to WiFi or cellular data. Perfect for travel or areas with limited connectivity.

Email Confirmations

Receive instant email notifications when your iPhone fax is delivered. Each confirmation includes detailed transmission data with timestamp, recipient number, and delivery status.

Complete Fax History

Access your entire iPhone fax history with search and filter options. Resend previous faxes with one tap, view transmission receipts, and track all your fax communications.

International iPhone Faxing

Send faxes from your iPhone to over 180 countries worldwide. Automatic country code validation and formatting ensures your international faxes reach their destination.

Fast Fax Delivery

Most iPhone faxes are delivered within 3-5 minutes. Our optimized transmission technology ensures quick delivery while maintaining document quality and reliability.

Pro Tips for Optimal iPhone Faxing Experience

1

Optimize iPhone Camera Scanning

Use natural lighting and hold your iPhone parallel to the document. The app's edge detection works best with contrasting backgrounds. For multi-page documents, maintain consistent lighting.

2

Save Cover Letter Templates

Create and save templates for frequently used cover letters. This saves time when sending similar faxes from your iPhone to regular recipients like doctors, lawyers, or government offices.

3

Enable Push Notifications

Turn on iPhone push notifications in FaxFlow settings to receive instant alerts when your fax is delivered. This helps you track time-sensitive documents.

4

Check International Dialing Codes

For international iPhone faxing, always include the country code and remove any leading zeros from the local number. The app provides a country code reference guide.

5

Use WiFi for Large Documents

When faxing large documents from iPhone (10+ pages), use WiFi instead of cellular data to ensure faster transmission and avoid data charges.

FaxFlow iPhone app document scanning tips demonstration
  • Can I send a fax from iPhone without a fax machine?

    plus

    Yes! With the FaxFlow iPhone fax app, you can send faxes directly from your iPhone without any fax machine. Just download the app from the App Store, scan or import your document, and send it to any fax number worldwide. The app uses your iPhone's internet connection (WiFi or cellular) to transmit faxes securely through our servers to traditional fax machines.

  • Is the FaxFlow iPhone app free to download?

    plus

    The FaxFlow iOS fax app is free to download from the Apple App Store. After downloading, you can explore the app and its features. To send faxes from your iPhone, choose from our affordable subscription plans: Weekly ($9.99), Monthly ($29.99), or Annual ($149.99). All plans include unlimited pages per fax, international faxing, and email confirmations.

  • What file types can I fax from my iPhone?

    plus

    FaxFlow iPhone app supports all major file types including PDF, JPG and PNG. You can scan physical documents using your iPhone camera, import files from the iOS Files app, access documents from iCloud Drive, or select attachments from your email. The maximum file size is 20MB per fax, which typically accommodates 50-100 pages depending on the content.

  • How secure is faxing from iPhone with FaxFlow?

    plus

    Very secure! FaxFlow uses 256-bit SSL/TLS encryption to protect your documents during transmission from your iPhone. All faxes are sent over secure HTTPS connections, and documents are automatically deleted from our servers immediately after successful delivery. This meets healthcare and legal industry standards for secure document transmission, making it suitable for sensitive information.

  • Can I send international faxes from my iPhone?

    plus

    Yes, FaxFlow supports international iPhone faxing to over 180 countries worldwide. Simply include the country code when entering the recipient's fax number (e.g., +44 for UK, +81 for Japan, +61 for Australia). International faxes are included in all subscription plans with no additional charges. The app automatically validates international numbers to ensure proper formatting.

  • Do I need WiFi to send a fax from iPhone?

    plus

    You need an internet connection (WiFi or cellular data) to send faxes from your iPhone. However, FaxFlow offers a unique offline mode where you can prepare faxes without internet access. Your faxes will be queued and automatically sent once your iPhone reconnects to the internet. WiFi is recommended for large documents to ensure faster transmission and avoid cellular data charges.

  • How long does it take to send a fax from iPhone?

    plus

    Most iPhone faxes are delivered within 3-5 minutes. The exact time depends on document size, number of pages, and the recipient's fax machine availability. FaxFlow provides real-time status updates in the app and sends an email confirmation immediately upon successful delivery. If a line is busy, the app automatically retries up to 3 times.

  • Can I add a cover page when faxing from iPhone?

    plus

    Yes! FaxFlow website includes professional cover letter templates optimized for iPhone. You can customize them with sender/recipient information, subject lines, urgency levels, and personal messages. The app allows you to save frequently used cover pages for quick access. This is especially useful for business, legal, and medical faxes that require proper identification.

  • Does FaxFlow work on iPad and other iOS devices?

    plus

    Yes, the FaxFlow iOS app works on iPhone, iPad, and iPod Touch running iOS 14 or later. The app is optimized for both iPhone and iPad screens, providing an excellent faxing experience on any iOS device. Your account and fax history sync across all your Apple devices through iCloud, allowing you to start a fax on iPhone and finish on iPad.

  • What happens if my iPhone fax fails to send?

    plus

    If your iPhone fax fails to send, FaxFlow automatically retries up to 3 times if the line is busy or temporarily unavailable. You'll receive a notification explaining the failure reason (busy line, invalid number, etc.). Failed faxes remain in your outbox for 24 hours, allowing you to retry manually or edit the recipient number. No charges apply for failed transmissions.

Frequently Asked iPhone Fax Questions

Got questions about how to send fax from iPhone? Find comprehensive answers to the most common iPhone faxing questions here. Our support team is also available to help with any specific iOS fax concerns.

Whether you're new to mobile faxing or switching from another iPhone fax app, we've compiled answers to help you get started quickly and make the most of FaxFlow's features on your iOS device.

Start Faxing from Your iPhone Today

Join over 100,000 iPhone users who trust FaxFlow for secure, reliable mobile faxing. Download our iOS fax app now and send your first fax from iPhone in minutes.

iOS 14+ Compatible
Send to 180+ Countries
256-bit Encryption
No Contracts