Fishing sim for Android, lists IAPs but they look like expansions rather than pay-to-win

Carp Fishing Simulator is the most authentic fishing experience on mobile.

Completely rebuilt from the ground up, Carp Fish Sim is the number 1 selling fishing game on mobile.

Fish for 23 different species on many different lakes, rivers* and canals*. Set up your bivvy, use your marker rod, spod rod and bait boat to help you catch more fish. Fish any time in day or night in all weather.