Bad
Buggy, can't change settings.
unique solutions
Kakuro puzzles are supposed to have a single unique solution. These don't.
Not enough ratings yet to assess Kakuro.
Kakuro - Cross sums appears to be a legitimate app. AppsHunter Legitimacy Score for Kakuro is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.