Comparison

Logic Square vs Nonograms 999

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Logic Square

This is a free puzzle game where you reveal hidden images by filling in blocks based on number clues. It offers thousands of puzzles, daily new challenges, and online multiplayer modes. Learn the ropes with tutorials and track your progress against others.

Highlights
  • Thousands of puzzles
  • Daily new puzzles
  • Online match play
  • Tutorials for beginners
  • Leaderboard system
  • Online synchronization
  • Color puzzles
Features
Read full description

The best nonogram puzzle game in Smart Device. Invite you to Logic Square! -This is free version. Easy And Fun! You can play easily with virtual pad. Tons of puzzles, Tons of fun! We have thousands of puzzles and free download new puzzles every day. Online Match You can enjoy with other players. Tutorials If you are first time in this game, Tutorials can help you. Leaderboard System You can check your skills with other players. Online Synchronization System You can move your progress to new phone. Whole contents of Logic Square is not locked and free. Logic Square is a puzzle game known as nonogram. You can find out hidden image using numbers. How to play Left and top numbers instruct how many blocks should be marked in a row. You must consider leaving at least one empty block between each number. To mark a block, please click the ‘V’ button. To leave out a bloc, click the ‘X’ button. Every time you mark a wrong bloc you receive a time penalty. You can learn basics, items, and practice game in tutorial. Please write good review, if you fun with Logic Square. Please send a mail, if you have any problem or suggestion. We are changing from your good reviews and mails. Thank you. Recent Updates No Time Limit Mode (1.278) Sign in with Apple, Sign in with e-mail(1.270) Add Color Puzzles (1.254) Change Item Effect (Magic Glass) (1.254) Supports 64bit (1.228) Renewal Every Puzzles (1.212) Contact Mail: devsquare.com@gmail.com Facebook: http://www.facebook.com/LogicSquare Twitter: http://twitter.com/devsquarecom

About

Nonograms 999

Engage your mind with a vast collection of free logic puzzles. Enjoy a smooth, one-handed gameplay experience with intuitive controls, auto-save, and helpful tools like auto-fill and undo/redo. Discover a variety of handmade illustrations across different canvas sizes.

Highlights
  • 999 free logic puzzles
  • One-handed gameplay design
  • Auto-save progress
  • Auto-fill function
  • Undo/Redo functionality
  • Handmade challenges
  • Multiple canvas sizes
Features
Read full description

The puzzle has 999 challenges. And they are all free! Easy controls makes solving the challenges a smooth experience. Therefore making it a perfect way to kill your downtime! * Nonograms 999 strong point - The puzzle has 999 solutions. You’ll never pay for any of the solutions, they are all free! There is no time limit for the puzzle, so feel free to play whenever you feel like it! - Designed to be easily used with just one hand. While commuting or just riding the train, you always have one hand free for your smartphone, don’t you? With that in mind, Nonograms 999 was designed so you can play whenever the mood strikes. - There is but one but one answer for each challenge All the challenges are checked continuously so there will be no duplicate solutions. - Touch and virtual Joypad support. - Save your progress Closing the application in the middle of a solution. In order to make those cases easier we have implemented an auto save feature so you can easily pick up where you left. - Complete with an auto-fill function Continuous clicking can be a drag. In order to make the experience more enjoyable we have installed an easy auto-fill function, toggled by the simple touch of a button. When the auto-fill function is turned on you just have to move your marker over the desired squares. - Undo / Redo function When solving your challenge it's easy to make a mistake or misclick. In order to make it easy to correct such mishaps we have implemented a undo / redo function. - Easy on the eyes design For long playing session, we have designed the game with colors that are easy on the eyes. In case you enjoy playing a bit before going to sleep, this easy on the eyes design will also be good due to the darker colors. - All the challenges are handmade All the challenges within the puzzles are handmade by professionals. Please enjoy all the challenges that were handmade by professionals! * What kind of illustrations is there? In total there is 999 illustrations. You can pick from different sizes of canvas, 10x10, 15x15, 20x20, 25x25 and 30x30. The illustrations include cute animals, sea creatures, sports, vehicles, fashion, food, electrical appliances and many others! So there is a lot of illustrations to pick from! When you've cleared a puzzle it will automatically be saved to your selection screen. *Is it easy to use? Yes, the application has been designed so that anybody can use it. You can paint your boxes by clicking in the desired box. For the more advanced design with many boxes, it might be a little bit hard to hit your desired box so we have included an easy to use controller. * What is Nonograms? On the left side and above the puzzle there is a number that gives you hint on how many boxes to color on said row. With the help of those hints, you have to solve the puzzle and complete the illustration. Also, Nonograms is called "Picross", "Griddlers" and "Picture logic puzzles". *How to solve a Nonograms. Every puzzle has numbers written on the left side and above the canvas. These numbers are indicators on what boxes to paint. The numbers above the canvas indicate what boxes to paint in the vertical columns. The number on the left side of the canvas indicate what boxes to paint in the horizontal columns. In cases where there is multiple numbers, that indicates two fields, with at least one open box in between. In cases where there is no number written out, it means the entire column will be blank. These are all the rules you need to follow in order to complete your illustrations! Please enjoy this free game in order to challenge yourself during your free time! In order to make Nonograms 999 free for everyone to use it relies on advertising. Thank you for your understanding and please enjoy our application!

Screenshots

Logic Square3 screens
Nonograms 9994 screens

Verdict

The call

The clearest difference is in-app purchases: Logic Square at none against Nonograms 999's 4. Logic Square also leads on rating (4.9 vs 4.6) and review sentiment (91% vs 81%). Nonograms 999's advantage is ratings volume (2.8K vs 215). On price, update cadence, ads and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nonograms 999 sells 4 one-off in-app purchases. Logic Square asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Logic Square holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Nonograms 999 has 2.8K ratings behind it against 215, so its average is the more settled of the two. Written reviews point the same way: 91% of Logic Square's written reviews are positive against 81% of Nonograms 999's.

UpkeepUpdate frequency

Logic Square ships an update monthly, Nonograms 999 every 2 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Logic Square versus Nonograms 999: the parameters behind the verdict, then further details
ParameterLogic SquareNonograms 999
PriceFreeFree
Rating4.9 (215 ratings) — better4.6 (2.8K ratings)
Positive reviews91.4% of reviews — better81.2% of reviews
Number of ratings2152.8K — better
Update frequencyMonthly — betterEvery 2 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size86 MB26 MB
Age rating4+4+
DeveloperJaeKwan JungSeventh rank Inc.

Customer experience

Logic Square

All ratings215 ratings
Positive98.1%
Neutral0.9%
Negative0.9%
Written reviews139 reviews
Positive91.4%
Neutral3.6%
Negative5.0%

Nonograms 999

All ratings2,793 ratings
Positive91.3%
Neutral3.9%
Negative4.8%
Written reviews293 reviews
Positive81.2%
Neutral6.8%
Negative11.9%

Bugs and requests

Logic Square

Not enough reviews yet to summarise bugs or requests.

Nonograms 999

Reported bugs

3 issues
  • Freezing and crashing
  • Puzzle progress not saving
  • Incorrect puzzle clues/solutions

Requested features

5 requests
  • Dark mode option
  • Cross-device progress sync
  • More 30x30 and larger puzzles
  • Option to purchase ad-free version
  • Ability to mark 'unsure' squares

In-app purchases

None

Logic Square

No in-app purchases

4 purchases

Nonograms 999

One-time4
  • 10 Hint Coin$0.99
  • 45 Hint Coin$2.99
  • 100 Hint Coin$5.99
Show 1 more
  • 200 Hint Coin$9.99

Questions

Is Logic Square free?
Logic Square is free to download, with no in-app purchases.
Is Nonograms 999 free?
Nonograms 999 is free to download, with in-app purchases available.
Which has better reviews, Logic Square or Nonograms 999?
Logic Square is rated higher. Logic Square averages 4.9 out of 5 from 215 ratings, while Nonograms 999 averages 4.6 from 2.8K ratings.
Do Logic Square or Nonograms 999 have ads?
Both Logic Square and Nonograms 999 show ads.
Which is updated more often, Logic Square or Nonograms 999?
Logic Square ships an update monthly, and Nonograms 999 every 2 months. Most recently, Logic Square was updated on September 17, 2026 and Nonograms 999 on September 23, 2026.

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