I would be willing to buy another of your sudoku s if you could make instead of numbers make each number, red ,blue, green etc. I find the ones that have colors more helpful with memory ...but what’s out there now is boring..and your sudoku is always challenging I’ve had this app for awhile...superb...they’ve fixed it!!, it perfect!!! In fact I’ve deleted my other sudoku apps. This one so superior. A lot of the apps didn’t challenge me . From easy til I learned the game (my favorite is jigsaw sudoku) to intense Annie

And well presented to do and enjoy... however...I have been a sudoku fan for decades.. and was taught by Japanese books where this was a relaxing and peaceful, thoughtful and strategic puzzle game. I am a bit disappointed that this app is presented in such a competitive way that the goal is not in the art and strategy, but in the time to beat your anonymous competitors. This takes much away from the enjoyment. I will continue however because of the benefits.

I have enjoyed this sudoku app on a daily basis for a year now, and I am still challenged and love that there are higher levels to conquer. This app also has various sudoku games to play that are challenging and break up the traditional game. Best of all is being able to challenge my prep-school educated, and AU graduate husband with a traditional sudoku game live, and remind him who the boss of sudoko in our house is... his public school educated, college dropout wifey!

I love this app, and I would like to have the no ad experience but for some reason can't get it to work on my phone. I bought it on my iPad, but evidently it is device specific. Any suggestions as to why I can't get the no ad button to work on my phone? I can't get to the payment option at all.