How long does it take to fax a Invoice?

Most faxes are delivered within 1–3 minutes. Single-page documents typically arrive in under a minute.

Do I need a cover page when faxing a Invoice?

A cover page is optional but recommended for professional faxes. TigerFax lets you add a custom cover page with To, From, Subject, and Message fields before sending.

Can I fax a Invoice to any fax number?

Yes — TigerFax can send your Invoice to any fax machine or online fax service worldwide. Just enter the recipient's fax number (including area code for US numbers, or country code for international).

business document

How to Fax a Invoice from iPhone

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

What you'll need

iPhone or iPad running iOS 15 or later
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: Step-by-Step

1
Open TigerFax
Open TigerFax and tap compose
2
Scan or upload your document
Scan your invoice or upload the PDF
3
Add a cover page
Add a cover page with invoice number
4
Enter the fax number
Enter the recipient's fax number
5
Review and send
Review and send

Pro Tips for Faxing Invoices

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

Secure transmission

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

Which iPhone Works Best for Faxing Invoices?

TigerFax works on all iPhones running iOS 15 or later. Here are the best options for faxing Invoices:

iPhoneiOS 15+iPhone 16iOS 18 iPhone 16 ProLiDAR scanning · iOS 18 iPhone 16 PlusiOS 18

FAQ: Faxing Invoices from iPhone

Yes. TigerFax transmits your Invoice over encrypted channels. Your document is never stored on third-party servers after transmission.

More business faxing guides

How to Fax a Purchase OrderStep-by-step guide for faxing Purchase Orders from iPhone How to Fax from iPhoneComplete guide for all iPhone models Fax from iPhone 16Guide for iPhone 16 with 48MP camera tips

TigerFax

Fax Invoice Free

Free to start · No credit card required · iOS only

Download on the App Store