OPCam

OPCam

Tamper-proof evidence camera

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Free
In-App Purchases

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Details

  • Released
  • Updated
  • July 6, 2026
  • August 20, 2026

Features

OPCam screenshot #1 for iPhone
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OPCam screenshot #4 for iPhone
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OPCam screenshot #6 for iPhone
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About

OPCam turns your iPhone into a tamper-evidence camera for fieldwork, inspections, and any photo that has to be trusted. • Time, GPS coordinates and address are burned into the original photo — they can't be edited out • Every photo gets a SHA-256 fingerprint of the exact image file you share — so anyone holding the photo can recompute it and check it themselves • Optional on-chain anchor: the fingerprint is recorded on Optimism, so anyone can independently verify the photo existed at that time • Record library with timeline, place and live map views • Choose exactly which fields go into the watermark • 24 languages Your photos stay yours — saved to your photo library. The on-chain anchor stores only a hash fingerprint, never the image.
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What's New in OPCam

1.4

August 20, 2026

• Share a proof. Send the photo together with a JSON file holding its fingerprint and every watermark field, so whoever receives it can check it themselves. • Back up and restore your whole record log — every record and every photograph in one archive. • Manage storage: delete individual records, see how much space the log uses, and reclaim photos nothing references any more. • A short guide on first launch, including a plain statement of what OPCam can and cannot prove. • On-chain credits are now held on the server, so they survive reinstalling the app. Purchases that fail or need approval now say so instead of doing nothing. • The watermark no longer runs off the edge of the photo on long addresses, and is laid out correctly in Arabic, Hebrew and Persian. • Fixed a bug that could stop OPCam from reading back its own record log.

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In-App Purchases

$0.99

100 On-Chain Credits

100 on-chain anchor credits, 1 per photo.

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