Foldwing: Send Fax from Phone

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Everyone
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About this app

Send a fax from your phone in under a minute, mail a certified letter without a trip to the post office, and scan and sign any form. You pay per fax or per letter, with no subscription needed.

SEND A FAX FROM YOUR PHONE
1. Scan a document with your camera, or pick a PDF or photo
2. Type the fax number, or find one in the fax number directory
3. See the price, tap Send, and follow the fax until it is delivered
Fax the US and Canada, plus Mexico, the UK, Ireland, Germany, France, Spain, Italy, Australia, Japan, the Philippines and India. A cover page is included.

PAY PER FAX
- 1 credit sends a fax of up to 5 pages in the US and Canada
- Credit packs start at $0.99
- Credits never expire
- If a fax fails, the credit comes back on its own
- No account to make

MAIL A LETTER OR CERTIFIED MAIL
Pick a PDF or write a letter from a template: cancel a membership, notice to vacate, security deposit demand or payment demand. We print it and mail it by USPS.
- Certified mail with tracking and proof of delivery: $14.99
- First-Class letter: $3.49
Follow every letter in the Activity tab.

RECEIVE FAXES
Get your own fax number when you need one. A 7-day pass is 3 credits, or keep a number with the monthly plan. New faxes arrive in the app as PDFs.

GET IT SIGNED
Send a PDF to someone else to sign by email. You get the signed copy back in the app.

FREE DOCUMENT SCANNER
Point your camera at a page and get a clean, cropped, searchable PDF. Copy text from any scan. No watermarks and no ads.

FILL AND SIGN PDF FORMS
Draw your signature or initials and place them on any PDF, along with dates and text. Sign a lease, a medical form, a school form or a tax form, then fax it, mail it or share it.

PDF TOOLS AND REDACT
- Merge, split, reorder, rotate or remove pages
- Compress big files so they are easier to email
- Redact: black out account numbers or names before you share
- ID copy: both sides of an ID card on one page

GOOD FOR
Faxing a doctor's office or pharmacy, an insurance claim, the IRS or a state agency, a bank or an HR office. Mailing a landlord, a gym, a debt collector or a court.

YOUR FILES STAY YOURS
Your documents are stored on your phone. When you send a fax or a letter, the file goes to our partner only to deliver it.

Questions or ideas? Write to support@strobi.dev. We read everything.
Fax from your phone, pay per fax. Mail certified letters. Scan and sign PDFs.
Updated on
Nov 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Financial info and 2 others
  • Data is encrypted in transit

What’s new

New in 1.1:
- Mail a letter: regular or certified, printed and mailed by USPS
- Fax inbox: get a fax number and receive faxes
- International fax to 11 more countries, including the UK, Mexico and India
- Get it signed: send a PDF for someone else to sign
- Redact and copy text from scans
- A new Home screen and an Activity tab that shows everything you sent
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
Strobi LLC
support@strobi.dev
2108 N St Sacramento, CA 95816-5712 United States
+1 858-294-5856

More by Strobi LLC