OpenSig Android

OpenSig

By: OpenSig
Sign and copyright files of any type and size privately on your device.

Features & Capabilities

A DIGITAL PEN ON YOUR PHONE

OpenSig is the simple, private way to sign documents and create independently verifiable proofs for any file. No complex workflows and no file uploads.

Sign PDFs, images, videos, design files, code, ZIPs and more. Add optional encrypted notes to record purpose, intent or context. Use OpenSig to approve documents, lock in deliverables, protect your intellectual property, and timestamp important work.

WHY OPENSIG?

• Private by design – your documents never leave your device
• Works with any file type and size
• Create permanent, tamper-proof proofs
• Add optional encrypted annotations such as purpose or message
• No accounts, no uploads, no monthly subscription
• Independent verification: anyone with the file can verify your proof

WHAT YOU CAN DO

• Sign and approve documents
• Prove authorship of creative work
• Timestamp drafts, designs and revisions
• Protect ideas, pitches and deliverables
• Verify file integrity before handoff
• Add short encrypted notes or URLs to your signature
• Share proofs with clients, collaborators or auditors

No uploads. No central storage. Just simple, verifiable signing you control.

User Growth & Download Statistics

App
By:
OpenSig
Downloads:
26
Version:
1.0.6 Last updated: 2026-03-21
Version code:
33
Creation date:
2025-12-01
Publisher country:
GB GB
Permissions:
  • android.permission.READ_EXTERNAL_STORAGE High risk
  • android.permission.SYSTEM_ALERT_WINDOW High risk
  • android.permission.WRITE_EXTERNAL_STORAGE High risk
  • android.permission.DOWNLOAD_WITHOUT_NOTIFICATION Moderate risk
  • android.permission.ACCESS_WIFI_STATE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.USE_BIOMETRIC Low risk
  • android.permission.USE_FINGERPRINT Low risk
  • android.permission.WAKE_LOCK Low risk
  • com.android.vending.BILLING Low risk
  • See more
Size:
68.81MB
Email:
ap*****@opensig.net
URLs:
Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-05
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
OpenSig
Google Play Store
https://play.google.com/store/apps/details?id=net.opensig.opensig
Email:
ap*****@opensig.net

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