I looked into founding a company in this space and steered straight back out of it because yes, by far and away the VAST majority of demand in the market of study tools for high/middle schoolers is cheating. Below that, parents are involved and there's a market there (but a bad one, because of double sales where you have to sell through the parent to the child even though those two actors have misaligned incentives).
This AI cheating app is currently #8 for "education" in the iOS app store.