Sign Cat
Sign it. Send it.
Fill and sign PDFs on your device. No account, no watermark, nothing uploaded unless you share it.
On the way to the App Store

Why it exists
“Print it, sign it, scan it, send it back. For one signature.”
Why Sign Cat exists
What people put up with
From 612 one-to-three-star reviews of the signing pdfs apps people use today.
- A free trial that bills a whole year231
- Form fields that won’t behave165
- Login loops and verification codes158
- Signed files lost or never sent113
- Support you can’t reach95
What Sign Cat does instead
The house rules, the same in every new Cat app.
- The whole job is free
- No ads
- No watermarks
- No sign-up
- Pro is paid for once, and yours to keep
The real thing.
Screens from Sign Cat as it is today, on an iPhone.

Sign Cat’s library of documents to sign

A permission form, filled in and signed

A signed document, ready to send