business documentiPhone 16 · iOS 18

How to Fax a Invoice from iPhone 16

Many businesses still request invoices by fax — TigerFax lets you send them from your iPhone in seconds.

What you'll need

  • iPhone 16 running iOS 18
  • TigerFax app (free on the App Store)
  • Your Invoice (physical copy to scan, or a PDF/image file)
  • The recipient's fax number

How to Fax a Invoice from iPhone 16: Step-by-Step

  1. 1

    Download TigerFax

    Install TigerFax from the App Store on your iPhone 16. It's free to start — no credit card required.

    💡 Tip: TigerFax is optimized for iOS 18 and works on all iPhones running iOS 15 or later.

  2. 2

    Scan your Invoice with iPhone 16

    Open TigerFax and tap the camera icon. Position your iPhone 16 about 12 inches above the Invoice and let the auto-capture detect the edges. The iPhone 16's 48MP main camera captures document text at exceptional resolution. Use the Camera Control button on the side to trigger a scan hands-free — perfect when you need both hands to hold a document flat.

  3. 3

    Upload your Invoice from iPhone 16

    Alternatively, tap the upload icon to import your Invoice from Files, iCloud Drive, or any connected cloud storage. iOS 18 on iPhone 16 supports enhanced Files app integration. You can import documents from iCloud Drive, Dropbox, Google Drive, or any connected storage directly into TigerFax.

    💡 Tip: PDF format preserves Invoice formatting best. If you have a digital copy, upload it instead of scanning for the clearest result.

  4. 4

    Enter the recipient's fax number

    Type the recipient's fax number in the To field. For international numbers, include the country code. TigerFax automatically formats the number.

  5. 5

    Review and send

    Preview your Invoice to verify all pages are included and legible. Tap Send. You'll receive a delivery confirmation when the fax is received.

Tips for Faxing Invoices from iPhone 16

  • 1.Include your invoice number on the cover page for easy reference
  • 2.Keep the fax confirmation as proof of delivery for payment disputes

Scanning tip for iPhone 16

The iPhone 16's 48MP main camera captures document text at exceptional resolution. Use the Camera Control button on the side to trigger a scan hands-free — perfect when you need both hands to hold a document flat.

Secure transmission

TigerFax transmits all faxes over encrypted connections. Your documents are never stored on third-party servers after transmission.

FAQ: Faxing Invoices from iPhone 16

Yes. TigerFax works on iPhone 16 running iOS 18 and supports faxing Invoices. You can scan a physical copy with the iPhone 16's camera or upload a PDF directly from the Files app.

Related guides

TigerFax

Download TigerFax

Works on iPhone 16 · Free to start · No fax machine needed

Download on the App Store