Ask it what the tide is doing right now
A wrapper will give you a plausible paragraph about tides in general. A grounded system will name your station, tell you the stage, and say what that means for the next two hours.
Answers from training data
Knows a lot about fishing in general and nothing about today. Cannot name your tide station. Recommends lures you do not own. Gives the same answer in January and July. Frequently confident and wrong about local specifics.
Answers from live state
Reads your position, the nearest station, the current tide stage, the water temperature, the pressure trend, the species holding nearby, your own catch history, and the lures in your box, then reasons from that.
A real answer names real things
This is an actual response from the app to the question give me a game plan for tomorrow morning. Notice that it commits to species, structure, and presentation rather than hedging.
Redfish, on the flats at first light, especially once water gets on the grass.
Want me to check what lures you have got in your tackle box for snook or redfish?

What has to exist underneath for the AI to be useful
Resolved conditions
Water temperature for the actual water you are on, from a registry of thousands of stations, not a regional average.
See howA model of the bottom
Depth bands and contours from federal survey data, so structure is something the system can reason about.
See howTrustworthy catch history
Verified catches with real places, real times, and real conditions. Garbage history produces garbage recommendations.
See howKnowledge of your gear
A digital tackle box built from scanned receipts, so recommendations are about what you own rather than what is for sale.
See howReal tide and solunar math
Named NOAA stations and computed moon transit, not a generic sine wave and a lookup table.
See howA synthesis layer
Something that weighs all of it into one answer with the reasoning printed, so you can disagree with it when your gut says otherwise.
See howAbout AI in fishing apps
The useful version reads live data for your location, weighs it against local catch history, and produces a specific recommendation about where to go, when, and what to use. The less useful version wraps a general purpose chatbot in a fishing theme and answers from training data rather than from the water in front of you.
It cannot see fish. What it can do is weigh tide stage, wind, barometric trend, water temperature, moon phase, light, bottom contour, habitat, and recent verified catches faster and more consistently than a person doing it in their head at 5am. That is a real edge, and it is different from a guarantee.
Yes, with no message limit and no separate subscription. Ask it as much as you want.
Yes. It reads your logged catches, your personal bests, and the lures in your tackle box, which is why it can rank baits you actually own rather than recommending something you would have to go buy.