Stmpd vs ProofSnap
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Stmpd
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Capture Today's Grind. Fuel Tomorrow's Glory. Don't let your Apple Watch workout data remain buried in your health app. Give your workout the spotlight it deserves. Stmpd captures the moment of your activity, seamlessly blending your Apple Health workout metrics into beautiful photo overlays.Β Share the complete pictureβboth the scene and the effort that made that moment special. Stmpd transforms your workout statistics into visually appealing stamps that overlay on your photos. By connecting directly with Apple Health, we take your fitness data and turn it into shareable visual stories that showcase both your experience and achievement. KEY FEATURES β Apple Health Integration Automatically pulls your workout data from Health app with no manual entry needed β Variety of Themes Express yourself with multiple stylish designs that complement your personal aesthetic β Real-time Preview See your workout data beautifully displayed on your photo before you capture the moment SIMPLE PROCESS 1. Complete your workout using Apple Watch or other Apple Health-connected devices 2. Select your workout from Health app 3. Capture your photo with workout data overlay 4. Save to Photos directly Turn every workout into a visual story worth sharing. With Stmpd, your fitness achievements are no longer just numbersβthey become memorable, shareable moments that showcase your dedication and progress.
ProofSnap
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Snap once. Prove forever. ProofSnap turns your smartphone into a trust engineβsealing photos and videos with cryptographic proof. Want to prove itβs your photo not AI? Try now. Why ProofSnap? * Instant integrity β GPS, timestamp and device data are written to blockchain at the moment you press the shutter. * C2PA-ready sharing β Each file carries a C2PA manifest so viewers on any platform can verify origin in one tap. * Zero-friction UX β Feels like a normal camera; no wallets or seed phrases required. * Future-proof provenance β Built on open standards (C2PA 2.x, EIP-7053) and EVM-compatible networks. Key Features * Simple Capture β One tap to snap or record; ProofSnap handles the cryptography in the background. * Immutable Records β Content ID + blockchain hash guarantee your media canβt be tampered with. * Fake-proof Publishing β Stop AI forgeries and content theft by sharing verifiable originals. * Privacy by Design β Your data remains yours. Who Is It For? * Photo-journalists & activists β Capture evidence that stands up in court. * UGC creators & brands β Protect credit and maintain audience trust. * Developers β Integrate verifiable imagery via our open API & SDK. Join thousands already capturing trust with ProofSnap and make every moment count.
Screenshots
Verdict
The clearest difference is ads: ProofSnap at none against Stmpd's shown. ProofSnap also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Stmpd's advantage is update cadence (every 3 days vs every 3 weeks). On price and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Stmpd ships an update every 3 days, ProofSnap every 3 weeks. Both last shipped on October 30, 2026.
| Parameter | Stmpd | ProofSnap |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 3 weeks |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 18.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 16 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | youngsoo jin | Numbersprotocol Inc. |
In-app purchases
Stmpd
No in-app purchases
ProofSnap
No in-app purchases









