This is not the same as Battleship Solitaire/Yubotu
This app is confusing and not easy to figure out. If you're looking for Yubotu, the rules for this are not the same. Deleting.
Not enough ratings yet to assess ShipPuzzle.
ShipPuzzle appears to be a legitimate app. AppsHunter Legitimacy Score for ShipPuzzle is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.