4 stars: Good app, add not too intrusive, respects its own mute settings.
5 stars: Pretty good so far and much better than the 8 or 9 other Sudoku apps that I've used.
5 stars: I learned a new way to solve the game. The helps were there if I wanted them. Lot's of fun.
5 stars: Easy to use with minimal ads.
5 stars: Good game. Simple but effective for all ages.
5 stars: Expert level is challenging enough.
5 stars: Satisfying, real enjoyable game
5 stars: I love that I can select the difficulty level
3 stars: The sudoku game and it's functions in itself are great, 5 stars. It was so good I wanted to pay for removing the annoying ads but for some unknown reason it won't let you pay thru Google even though I downloaded it from Google Play?!?! I uninstalled it.
5 stars: This version of sudoku is the best I've found. Settings and options are perfect. 5 levels of difficult is great. The fact it tells best and average times by difficulty is nice. The Devs have figured out the ads, and how to do them. Unlike every other Dev with phone games, the ads here never blast out sounds regardless of game volume, and I'm never forced to watch a15 second ad I don't want to watch.
4 stars: I have an old tablet and this sudoku runs very slow. Plus, there doesn't seem to be an indication at the bottom list of numbers, as to which numbers have been used up, or which numbers are left to fill. I would also like the option to just have black and white. Otherwise,...