FishLock

Content rating
Everyone
1+
Downloads
Content rating
Everyone
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About this app

In just seconds, identify a fish species, measure it to an accuracy of ±0.25", snap a photo, and log the catch data into a completely private logbook.

Advanced computer vision for a reliable measurement in real-time, with no reference object needed. World-class fish species identification (Fishial.ai, developed by the Wye Foundation) adapted to run directly on your own phone, for total privacy.

No subscription and no account!
No in-app purchases and suitable for all ages!
Keep your fishing data out of the cloud!

FishLock is a standalone, offline tool available as a one-time purchase, and is built to last. Your data never leaves your phone. FishLock is a fully offline app (an edge-computed, on-device app).

Thank you for supporting an independent app developer.
Fish ID, Measurement and Logging - 100% private/offline. Works everywhere!
Updated on
Jul 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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  • Committed to follow the Play Families Policy

What’s new

Improved display and filters for catch-log, animation smoothness and detection speed.
Content rating
Everyone
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App support

About the developer
MATTHEW C BERLIN
contact@holowerks.net
553 Noble Rd Atglen, PA 19310-9301 United States
+1 484-832-1055