Thu Jan 22 2026
Thank you Sudoku players,
This update includes bug fixes and performance optimization.
Thanks for choosing Sudoku Brain Games, Please share with your friends!
Just a quick note to let you know how much I enjoy your site to play sudoku on! First it is designed perfectly with just the right size layout and easy to read large numbers, no ads every 2 minutes to frustrate you and loose your concentration! Choices are great as some days I feel like just easy puzzles and other days I like to challenge myself with hard or expert puzzles. I am a 77 yr old retired nurse and I find it keeps my brain active and alert and that is so important so thank you so much for your hard work in providing this site !
My preference is paper/pencil puzzles. I downloaded this to have something easier to keep me busy while waiting for my mother at medical appointments. I immediately turned the sound off so not to be disruptive to others, but when starting a new game the offensive music comes on with the ad that must be viewed for at least a few seconds. I play these games to relax, not to be competitive with other unseen people. There are two many stressors to keep this game from being fun. I don’t need a clock to race against, and would prefer that it could be toggled off. Plus, when a new game is launched, the clock starts and I lose seconds watching the ad before I can skip it. I don’t care how many mistakes I make, keep track if you must, but I would like the option to clear the board and start over like I do with paper/pencil. Inadvertent mistakes are too easy to do with an errant tap on the keyboard. I pay attention to whether it was a finger tap mistake, or a logic error. Too many logic errors I’d clear the puzzle and start over. Plus, when kicked out of a game, the offensive music starts again disrupting those around me. I don’t mind the ads, they are necessary when enjoying a free app, but sound off should mean sound off all the time. Let me enjoy myself playing the game without the sudoku police monitoring how I play.
I don’t like that when I’m using the pencil (making notes) that it won’t let me put the wrong number in. Usually I notice my mistake immediately but sometimes I’m just wrong but if the app doesn’t even let you make a mistake it’s basically playing for you. Also when I need to remove a tiny number from the box because I’ve now used that number somewhere else and it’s no longer an option for this new box I have to erase all of my notes and redo them. I should just be able to tap on the number to remove it. Also, I accidentally put a number in a box instead of making a note with the pencil. Since it was correct (it told me, I didn’t know yet that it was correct) it would let me erase it! Again! Cheating!
I love this app but I have a few ideas and concerns. Ever since I updated my app I can’t change difficulty levels. Please fix that! And once we’ve correctly placed a number in the location can you make it where it can’t be changed by accidentally selecting that square again. And once we’ve correctly placed a number in all 9 locations can you gray it out from the number line up please. That way we know it is already finished and again we aren’t accidentally selecting the wrong number for a location. Thanks!!!!
Even though I have paid for the ad-free version (at not a small yearly fee), ads pop up frequently. The update only worked for a day before the problem recurred and after running the update, there is no new update offered in the App Store. Not only the ads are a problem, but since the latest iOS update 18.4.1 there is a marked inefficiency of the game responding to taps. I often have to tap several times before the number shows, sometimes having to tap another cell and then re-tap, and the app no longer responds at all to the Apple Pen Pro. Major problems!! I also can’t figure out the real title of this Sudoku game or determine the writers to ask them to address these issues. I would suggest you wait to get this app until it becomes more reliable.
The game itself is designed well. The problem is; 1st there is no option to purchase add removal and 2nd though adds are not their selves a problem, the fact that they are very aggressive and more importantly interrupt any steaming news I have running in the background, is. You can turn off the sound for the app, but the adds continue to interrupt any streaming news I have running in the background. I’ll hold on to the app for a while, not too long.., but I am not interested in having to close the game to restart news I have streaming in the background. Best solution charge for add removal. After that turn of the (mostly nonsense) sound in the adds. This app would have been rated far better were it not for having to close it and restart it to address the issue with sound...
I’ve only ever had one other sudoku app which I will be downloading again after I post this review. Two suggestions for the developers: please add a night mode of some sort or allow for a different, somewhat night friendly look for the game. Also, please fix your expert mode to show that NO errors are allowed. Having “0/1” on the top of the screen makes me think, “oh, i have one mistake allowed. The second mistake ends my game.” Perhaps I’m the only person who interprets like this, i don’t know. I think it’s misleading because although I make a mistake, it ends my game right there and then. That doesn’t make sense to me given the “0/1.” Please edit that to reflect NO errors are allowed in expert mode. Thank you.
The color of a highlited number is to much like all the other numbers. In other sudoku games it is easier to discern the number which is highlighted. If there are four number “6s in the game, all 6s will be highlighted green while all the other numbers will remain their original colors. It makes it easier for players who have eyesight problems to identify the 6s and work toward solving the location of the other 6s. If the purpose for keeping the 6s difficult to find by not making them easy to see is part of the strategy to make it more difficult, then you have succeeded. Other than that, the game is well designed.
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