Killer Sudoku - Brain Games Reviews

Killer Sudoku Reviews

Published by on 2026-02-12

🏷️ About: Sudoku Free Puzzle Game is a welcomed and addictive Brain Sudoku puzzle game on App Store. You can download Sudoku free app for your iPhone.


       


Is Killer Sudoku Safe to Use?

We Investigate the app owner's website (Kidultlovin.com), verify their legitimacy, and uncover hidden scams and complaints.


Overall Customer Experience 😎


😎 Positive experience
96.3%

🤬 Negative experience
3.7%

🫥 Neutral
0.0%

~ from Justuseapp.com NLP analysis of 26,292 combined software reviews.

Is Killer Sudoku Safe?
Killer Sudoku - Brain Games is very safe to use.
96.3/100

  Safety Analysis »»

Is Killer Sudoku Legit?
Killer Sudoku - Brain Games looks authentic and legitimate.
96.3/100



Read 20 Customer Service Reviews 😠💢

4.7 out of 5
Frustrating performance

Love the game but the lack of control over the ad performance makes this unpleasant! No problem with seeing ads as long as they go away after you click on the x. Frequency is an issue as the ads pop up in too many places. Most annoying are ad montages from Outbrain. None of the subjects appeal to me and the headlines are very misleading. Like being forced to read the gossip/trash news rages at a supermarket checkout line. Then you try to close out and it jumps to the internet. Just lacking in good programming I guess. I have submitted suggestions etc. and left my contact info on several occasions to no avail. Poor customer support if you ask me.

Events and history

I just don’t understand why aren’t you guys answering any of the most recent reviews. It looks like everyone is complaining about the same issue that with the game is losing our data. It’s really make me upset because you don’t have reviewers on here recently that’s complains about the game itself. I think we all enjoy the game because if we didn’t we wouldn’t be worried about the history but we have so much of it we want it back. You also have some us that lost all our hints that we had, the Independence Day event is gone, all of the daily challenge for the month is gone, I mean it literally makes us go to the very beginning and losing absolutely everything. This is so upsetting and how you are ignoring us makes it even worst.

Use of AI and Too Many Ads

I love playing killer sudoku and I love the features KillerSudoku has come up with. Being able to write in the numbers with my Apple Pencil is great. But getting an ad halfway through a game is too much. I understand between games, but ads in the middle are ridiculous. This is annoying but not a deal breaker for me.

What I really wrote this review for and the reason I rated 1 star was the use of AI. I don’t know how many times they have done this but I noticed in the recent Super Bowl challenge that the art was AI. I wont go into my personal views on this but I disapprove. Stealing art an monetizing off of it should be a crime.

Great game, Deceptive ads

I love the game and been playing for close to a year. Today I got an add that uses the official Apple setting icon and makes it look like an official Apple notification informing me my memory is full (which it is not) and informs me I have to minutes to correct this issue or my contact and photos will be deleted and my SIM card damaged. The only way to prevent this is to click “clean memory” which will take me to KillerSudoku Store, download KillerSudoku and run it. This type of ad is misleading and deceptive. Although I didn’t fall for it, there are those who may and I would never trust an app that has to lie to get me to use it. This ad is on the same level as phone scammers and seems like something they would do.

Nearly Unplayable Right Now

I’ve enjoyed this game. It’s worked well. There are ads but they have never been unfair. That’s why I gave it 3 stars, because right now it’s not even worth one.

For the last few days the game can’t stay active for more than 3-4 seconds (literally) at a time without brief freezes. It will run for a couple of seconds, then hang for a few, then come on for a couple, then hang again. The only way you can play it is by watching the timer and putting in a couple of numbers quickly when it runs, then stopping when it freezes again. Needless to say, this is not sustainable.

There are a lot of Killer Sudoku games in KillerSudoku Store. If this doesn’t sort out very soon, I’ll just delete this one and switch to another. That’s how I got this one in the first place, because the one I was using previously started running ads in the middle of a game.

Good game but now interferes with Audible

I love doing brain games while I listen to my audiobook and fall asleep. I’ve been playing this game for the last 6 months with no issue. But lately KillerSudoku keeps pausing my Audible app. Which ends up upsetting me and keeping me awake since I keep having to go back to audible to hit the play button. Since this is the only time I really play this game, I’ll have to switch to a different app until this gets fixed.

It Drives me Crazy

I have loved playing this game until the last few weeks. KillerSudoku freezes up every few seconds or goes to a black screen. I then have to restart the game and everything I’ve entered is lost. I have played one of the daily challenges 5 times because it starts all over. Also, the daily challenge game is not prefilled and I have to wait a couple of days to play it. Please fix these “bugs”, I would hate to play a different Killer Sudoku app.

Thank you.

Fun but glitchy

I enjoy this game a lot, and I was psyched when the “battle” feature appeared yesterday, but I’m very frustrated by the fact that I open the game after being away from my device and find that I have “lost” several battles and my tickets for continue playing have been spent. I also appear to both lose AND win a battle now and then, and my statistics show both results recorded. Not sure how long I will stay with it under the circumstances, which is a bummer because I enjoy the game a lot when it’s working properly.

Battle

The Battle mode has the potential to be great, but has a couple of major issues. First is the ads: you get an ad before each match, but they are all different lengths. There’s been many times where I’ve finished my ad and my opponent had a shorter ad and placed 5-10 pieces before I could even see the board. The second issue is the matchmaking. I’m usually getting 3 times more wins than losses, because I’m getting put against people who seem to have never touched the game before. Despite these issues, I believe the battle mode has some great potential and hope that the devs see this feedback.

Virus Alert

And the virus is McAfee. I don’t possess McAfee on my device but I can’t play a game without it dropping me into a McAfee scan. The only solution is to delete your app. Bye bye. So I tried it again and no more McAfee and because I like the game and things went pretty well as the ads were bearable for a while but lately not so much. In fact the ads seem like the only reason to come and its a fight. There’s no turning them off or geout of them. I’m done

Hints disappeared

I love this game, it’s a good challenge but I had watched soooo many ads to build up my HINTS and now they are gone? What happened to my game? It’s like it was over written! I have been playing for a few months now and not only are my hints gone but it shows that I have only played one game? A screen popped up that asked what best describes me
I’ve never played sudoku
I’ve only played classic sudoku
I’ve played killer sudoku
I was playing killer at the time and I had no choice but to pick one of those 3 choices. There was no exit button. So when I picked I’ve played killer sudoku it took me back to a game and erased all my past history?? WHY?? How can I get back to where I was before that happened?

Great game for reluctant sudoku-er who need clues

I never got into sudoku. But the boxes of “add this up to find this answer” that then helps fill in the puzzle are great.

The only reason for only 4 stars instead of 5 is, I don’t like how you only get a certain amount of tries before it knocks you out of the game. I get to a point where it’s between two numbers, and I want to keep track of this knowledge, but I can’t, so I have to move onto a different line and lose that knowledge. On paper, you can write things in the margins.

But then again, I’m not a sudoku-er.

Meh, and stop with the mid-game ads

The game play isn’t half bad. I like that it won’t allow you to make an errant note. However, I do miss the Fast Pencil feature that their regular sudoku game features. I also find that it lacks compared to Easybrain’s version, as they will color the board by sum, which is very helpful.

But my biggest complaint is that recently, out of nowhere, I’m getting Candy Crush ads in the middle of a game that cause KillerSudoku to crash. And the killer sudoku doesn’t present enough features to pay for, as opposed to the regular sudoku subscription.

I was robbed.

Playing the Auutumn challenge, had completed phases 1 & 2, and had 12 puzzles left to play on phase 3. While playing game 52/64 the screen froze on a Free Cell Solitaire ad. It wouldn’t move. Clock wouldn't wind down. It just sat there! So I exited, turned off my iPad and rebooted it. When I got back into Killer Sudoku it had wiped out the 52 completed games and set me up to play game 1/64. With only 1 day and 4 hours left in the challenge there is no way I will complete the level, thus ruining my completion score. I am very disappointed in the game. I had just downloaded the newest version of the game yesterday. So, I am not a happy player right now. F. Harless

Add Fast Pencil before I cry

Your Sudoku games are top tier but ever since you added Fast Pencil to the main game I’ve been spoiled. It’s also the only way I can play with my Apple Pencil, otherwise it forces me to write in and then I mess up because my 7s and 1s look the same lol.

Anyways I will keep checking this game for Fast Pencil but will be playing the main game and the Killer Sudokus you have on there with the fast pencil until then. I can’t wait!!!

Too many Ads

I love the game but the Ads are driving me crazy, not just because there are too many. The “x” to close KillerSudoku is too small so you can’t close the Ad but must go back and forth between the Ad and download screen. Also, if you do nothing and let the Ad run it’s course, it just stays on the screen. It used to have one Ad per puzzle but now you get an Ad when you start a game as well as when you end a game. I suggest finding another version of this game.

Great game-Terrible ads

Great game and I can wait through the ads to play again but I don’t understand how they get away with ads that are total lies. A powder you mix in water and drink twice a day and your fat will melt away? Really? They even show a video in reverse to show a dramatization of fat disappearing. Then there is the one that you can win thousands of $$ with videos from 8-10 years ago.

Bad weight loss ads

Why do you keep showing weight loss ads that are known to be scams? I just fact checked “Oprah weight loss gummies” and there is no affiliation with Winfrey. Her image is being used without her permission. I hate all the weight loss ads, because they are all clearly fake, but lying ones claiming that they are endorsed by a celebrity when they are not borders on illegal.

Battle has been sketchy lately

I love KillerSudoku! Recently, the Battle mode has been occasionally giving me a blank screen and no opponent. I’ve left those games and taken the loss. I just completed another battle, and won, then it put me on the blank screen so I had to take another loss. I know these are glitches, and they will be corrected, I’m sure.

Perfect puzzle game!

Love it all. Would be a good addition in Battles mode if they add a flash when you complete a number! Would be an aid to the player and a cool visual to confirm there are no more of that number remaining. Currently the player must look down to confirm the number has disappeared. Maybe even a slight phone shake 🫨!😃



Is Killer Sudoku Safe? 🙏

Killer Sudoku - Brain Games is very safe to use. JustUseApp Safety Score for Killer Sudoku is 96.3/100.
This assessment is based on our NLP analysis of 26,292 user reviews. Combined with the app store average rating of 4.7/5.


Is Killer Sudoku Legit? 💯

Killer Sudoku - Brain Games looks authentic and legitimate. Our NLP models processed user feedback to estimate legitimacy. JustUseApp Legitimacy Score for Killer Sudoku is 96.3/100 .
This conclusion is based on analysis of 26,292 user reviews.




How was your experience with Killer Sudoku - Brain Games? Post a Review




Features

Killer Sudoku is a logic-based number puzzle game and the goal is to place 1 to 9 digit numbers into each grid cell so that each number can only appear once in each row, each column and each mini-grid.

Sudoku Free Puzzle Game is a welcomed and addictive Brain Sudoku puzzle game on App Store.

With our Sudoku puzzle app, you can not only enjoy sudoku games anytime anywhere, but also learn Sudoku techniques from it.

You get 5000+ challenging Sudoku puzzles everyday to one true solution.

You can download Sudoku free app for your iPhone.