FishLock

FishLock identifies and measures fish in seconds, completely offline. Identify 640 freshwater and saltwater species, measure fish to an accuracy of ±0.25", and save each catch to a completely private logbook on your phone.

Try FishLock with 5 fish identifications. After that, Unlimited Fish IDs can be unlocked with a single one-time purchase. No subscription, no account, and no cloud required.

FishLock uses advanced computer vision for real-time fish measurement with no reference object needed. Fish species identification is powered by Fishial.ai technology, developed by the Wye Foundation and adapted to run directly on your device.

* Identify 640 of the most commonly fished freshwater and saltwater species
* AI-powered fish identification from a photo
* Measure fish length to ±0.25" without a reference object
* Save catches, photos, and measurements to your private catch log
* Use FishLock as a private fishing journal without an account
* Works without cell service, Wi-Fi, or an internet connection
* No subscription required
* Simple to use and suitable for all ages

Whether you're fishing for bass, trout, or saltwater species, FishLock gives anglers a fast fish identifier, measurement tool, and catch log that works wherever they fish.

FishLock is a fully offline, on-device app. Identification, measurement, photos, and catch data are processed and stored directly on your phone.

Your fishing data never leaves your device.

Thank you for supporting an independent app developer.