Comparison

Stmpd vs ProofSnap

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

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 pictureβ€”both 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 numbersβ€”they become memorable, shareable moments that showcase your dedication and progress.

About

ProofSnap

Features
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Snap once. Prove forever. ProofSnap turns your smartphone into a trust engineβ€”sealing photos and videos with cryptographic proof. Want to prove it’s your photo not AI? Try now. Why ProofSnap? * Instant integrity – GPS, timestamp and device data are written to blockchain at the moment you press the shutter. * C2PA-ready sharing – Each file carries a C2PA manifest so viewers on any platform can verify origin in one tap. * Zero-friction UX – Feels like a normal camera; no wallets or seed phrases required. * Future-proof provenance – Built on open standards (C2PA 2.x, EIP-7053) and EVM-compatible networks. Key Features * Simple Capture – One tap to snap or record; ProofSnap handles the cryptography in the background. * Immutable Records – Content ID + blockchain hash guarantee your media can’t be tampered with. * Fake-proof Publishing – Stop AI forgeries and content theft by sharing verifiable originals. * Privacy by Design – Your data remains yours. Who Is It For? * Photo-journalists & activists – Capture evidence that stands up in court. * UGC creators & brands – Protect credit and maintain audience trust. * Developers – Integrate verifiable imagery via our open API & SDK. Join thousands already capturing trust with ProofSnap and make every moment count.

Screenshots

Stmpd4 screens
ProofSnap4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stmpd ships an update every 3 days, ProofSnap every 3 weeks. Both last shipped on October 30, 2026.

Scorecard4 real differences Β· 2 level
Stmpd versus ProofSnap: the parameters behind the verdict, then further details
ParameterStmpdProofSnap
PriceFreeFree
Update frequencyEvery 3 days β€” betterEvery 3 weeks
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS18.015.1 β€” better
Further details β€” not scored
Size16 MB37 MB
Age rating4+4+
Developeryoungsoo jinNumbersprotocol Inc.

In-app purchases

None

Stmpd

No in-app purchases

None

ProofSnap

No in-app purchases

Questions

Is Stmpd free?
Stmpd is free to download, with no in-app purchases.
Is ProofSnap free?
ProofSnap is free to download, with no in-app purchases.
Do Stmpd or ProofSnap have ads?
Stmpd shows ads; ProofSnap does not.
Which is updated more often, Stmpd or ProofSnap?
Stmpd ships an update every 3 days, and ProofSnap every 3 weeks. Most recently, Stmpd was updated on October 30, 2026 and ProofSnap on October 30, 2026.

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