01
Identify
Photo in, species out. On-device classification across 1,500 fish. No signal required.
Identify the fish.
Measure the fish.
Know the rules.
A compact iPhone reference for recreational anglers. Built to work on the water, without a signal.
Built for the moment after you land it.
Most apps stop at identification. CatchRules keeps going: it measures the fish, checks the rules for your jurisdiction, and tells you whether it's legal to keep. All on your iPhone, all offline.
Capabilities
02
Measure
LiDAR length from head-tap to tail-tap. Accurate to the centimeter in good light.
03
Rules
Size, bag, and season for all 50 states, 10 provinces, and federal waters.
How it works
- 1
Photograph
The model names the species in about a second.
- 2
Measure
Tap head, tap tail. LiDAR reads the exact length.
- 3
Decide
See the rules for your jurisdiction. Keep or release.
Questions
- Does it work offline?
- Yes. Identification runs on device, and downloaded regulations stay available without a signal.
- What's covered?
- Every U.S. state, 10 Canadian provinces, and U.S. federal waters.
- Is this a substitute for official regulations?
- No. Always verify with your state, provincial, or federal wildlife agency before keeping a catch.