We hold 10 games from Unimob, going back to 2022. They average 4.6 across 17K ratings, and that average, weighted by how many people left it, is the whole of their score. The best rated of them is Idle Fishing Charter at 4.8.
Everything we hold from them is free to download. 3 of the 10 carry ads, so start with the rest. Some of them sell a subscription, which the game page spells out.