Flyve’s site says that it’s ceased development, which I found to be slightly amusing since this is the first I’ve heard of it. I have a lot of experience in the MDM space, and to be perfectly frank, for Android your best option is staying first party and sticking with Family Link. The MDM APIs in android land are a hot mess, and have been since their inception, and 3rd party solutions have only ever been adequate at best.
Quick, someone post the meme from the Simpsons with a penguin on his face