STAMPiD – Proof of Creation
Timestamp Your Creative Work
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Prove your music is original with one tap. Timestamp certificates, audio watermarks, and a verification portal -- all without uploading your files.
Prove your creative work existed at a specific moment in
time. STAMPiD creates cryptographic timestamps that are
legally defensible, tamper-proof, and verifiable by anyone
-- without ever uploading your files.
Key Features:
- Cryptographic timestamps backed by RFC 3161 authorities
and Bitcoin blockchain anchoring
- Your files never leave your device -- only the SHA-256
hash is sent to the server
- Professional PDF certificates with QR verification codes
for sharing proof
- Evidence folder exports with complete chain-of-custody
metadata
- Public verification portal so anyone can independently
confirm your timestamps
- Audio watermarking for musicians and podcasters to embed
proof directly in recordings
How It Works:
Select any file on your device. STAMPiD computes a unique
SHA-256 fingerprint locally and sends only that fingerprint
to trusted timestamp authorities. You receive a signed
certificate proving your file existed at that exact moment.
The original file never leaves your device.
Subscriptions:
STAMPiD offers optional subscriptions to unlock higher usage
limits:
- Creator: $4.99/month -- 50 stamps, 25 watermarks, 25
exports per month
- Studio: $9.99/month -- 250 stamps, 100 watermarks, 100
exports per month
Payment is charged to your Apple ID account at confirmation
of purchase. Subscriptions automatically renew unless
canceled at least 24 hours before the end of the current
period. You can manage and cancel subscriptions in your
Apple ID account settings. Free tier includes 5 stamps, 3
watermarks, and 3 exports per month.
Privacy:
Your files never leave your device. STAMPiD only transmits
the cryptographic hash -- a one-way fingerprint that cannot
be reversed to reconstruct your original content.
Terms of Service: https://api.stampid.tech/terms
Privacy Policy: https://api.stampid.tech/privacy
The developer, BRIAN CHRISTOPHER WHITE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- BRIAN CHRISTOPHER WHITE
- Size
- 67.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Creator Plan $9.99
- Studio Plan $29.99
- Copyright
- © 2026 STAMPiD