Secure. Protected. Convenient —— Your signature is only a Touch away.

Using your TouchID or passcode, seal your protected signature onto any PDF document - No Registration. No Cloud Signing. TOTALLY within your device.

Access your cloud documents from within the App or use SignBox Extension to open any PDF document from any other App, simple and straight forward!.

- Use your TouchID to store, protect, and retrieve your Signature.
- Seal your signature onto any PDF, from anywhere with SignBox extension.
- Pay Once!. No Annual Subscription. No Monthly fees.

Why use SignBox:
Secured Signature:
ONLY Accessed by TouchID or passcode. Not stored on any cloud. Your signature remains in your device.

Protect Your Signature:
Your signature will not be editable or copy-able by recipients. Add Open Passwords. Prevent editing, copying or printing after signing.

Convenient Extension:
Sign with SignBox Extension any PDF document from within any of your favorite Apps. All conveniently within your device.

Pixel perfect Signature
Your signature will never look better. Smoothened and inked with vector strokes. Fine print on any scale.

All the tools you need:
Conveniently add your initials, print your name, add date, or even scribble your directives alongside your signature.

No Registration Required:
You don't need to setup an account. No registration. No Cloud account. No Subscription.

Share your documents
Email, print, Save to cloud storage, or simply share to any of your favorite Apps. Run any other extension.

The actual signing process totally happens within your device without it leaving the memory of your device and without communicating to any server. Only your own TouchID or passcode can unlock your signature.

Never give your signature away to cloud server again !

What’s New

Version 2.0.1

Minor Bug Fixes

Ratings and Reviews

4.1 out of 5
10 Ratings

10 Ratings

Signbox User ,

Excellent App

Signing documents has never been so easy, safe and secure.
It meets all the signer needs.
It has a very useful extension to use with other apps.

I highly recommend this application and its extension.

Ehab al sabha ,

I do not know how you moved to paid programm

How come your earlier version is free and after update it become paid version?
If it was paid from the beginning it will be okay but to be paid with 3.99$?????
Good luck.

abusofar ,

It's nice

I recommend all of you to try but better to have dropbox in your cellphone

App Privacy

The developer, Applixya, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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