Comparison

Nonogram Color Book vs K.O. Nonogram

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

Head to head
About

Nonogram Color Book

Engage your logic and creativity in this picture cross puzzle game. Use number clues to reveal hidden pixel art by filling in or marking cells. Enjoy thousands of levels and various game modes.

Highlights
  • Logic-based picture cross puzzles
  • Reveal hidden pixel art
  • Thousands of carefully crafted levels
  • Multiple difficulty levels
  • Daily Challenge, Limited Time Events, Level Ladder, Puzzle Picture modes
  • Collection room to replay favorite levels
Features
Read full description

Mathematics? Logic? Art? Which one are you good at? Join an imaginative journey with Nonogram Color Book and let us test your abilities. You can become a real Nonogram master! Nonogram Color Book is an addictive brain training game that all about logic and art. To find the art behind the numbers you should use the power of logic. The goal of the game design is to combine the art with logic. [ How to Play ] Start with the basic rules and logic behind the picture cross puzzle! ■ The solution of the puzzles is all about logic. ■ Decide to fill a box with X or cube by the clue of numbers on the side, horizontally or vertically. ■ The numbers on the horizontal or vertical tabs will give a hint of combinations of X or the number of cubes lined up. ■ There will be a solution and only one solution to each puzzle. ■ When you finish all cubes, you will get one pixel art. ■ You will lose one of the three lives when you have a mistake of deciding whether it's a fill or X. [ Special Features ] ■ Thousands of levels available. We made every level very carefully and make sure it's enjoyable. ■ Multiple difficulty levels (5x5;10x10;15x15). ■ Four models you can choose (Daily Challenge, Limited Time Events, Level Ladder and Puzzle Picture). ■ Unique and unparalleled collection room. You can replay the level that you liked the most in the game. Download this free pixel art game to test your math and logic skills. Challenge yourself now! We hope you enjoy Nonogram Color Book. If you have any idea, or if you have any questions about Nonogram to discuss with us, please contact us with the information below. We are always here for you.

About

K.O. Nonogram

Instantly solve Nonogram puzzles with step-by-step guidance. Supports grids from 5x5 to 50x50. Explore a vast online store for printable puzzles.

Highlights
  • Instant puzzle solving
  • Step-by-step guidance
  • Supports 5-50 grid sizes
  • Online puzzle store
  • Printable puzzle support
Features
Read full description

Get nonogram answers / solving steps immediately. It supports 5~50 grid nonogram. There is a rich online nonogram store, support print puzzle. --------------- The grid of squares must be either filled in black or marked with X. Beside each row of the grid are listed the lengths of the runs of black squares on that row. Above each column are listed the lengths of the runs of black squares in that column. Go to find all black squares.

Screenshots

Nonogram Color Book4 screens
K.O. Nonogram4 screens

Verdict

The call

The clearest difference is rating: K.O. Nonogram at 5.0 against Nonogram Color Book's 4.2. K.O. Nonogram also leads on in-app purchases (none vs 10) and review sentiment (85% vs 66%). Nonogram Color Book's advantage is ratings volume (67 vs 2) and iOS requirement (10.0 vs 15.0). On price, ads and device support 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. Nonogram Color Book sells 10 one-off in-app purchases. K.O. Nonogram asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

K.O. Nonogram holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Nonogram Color Book has 67 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of Nonogram Color Book's written reviews are positive against 85% of K.O. Nonogram's.

UpkeepUpdate frequency

Nonogram Color Book ships an update fortnightly, K.O. Nonogram every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard7 real differences · 3 level
Nonogram Color Book versus K.O. Nonogram: the parameters behind the verdict, then further details
ParameterNonogram Color BookK.O. Nonogram
PriceFreeFree
Rating4.2 (67 ratings)5.0 (2 ratings) — better
Positive reviews65.5% of reviews85.0% of reviews — better
Number of ratings67 — better2
Update frequencyFortnightlyEvery 5 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size197 MB42 MB
Age rating4+4+
DeveloperORANGE GAME PTE. LTD.又瑞 韦

Customer experience

Nonogram Color Book

All ratings67 ratings
Positive79.1%
Neutral9.0%
Negative11.9%
Written reviews29 reviews
Positive65.5%
Neutral20.7%
Negative13.8%

K.O. Nonogram

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive85.0%
Neutral5.0%
Negative10.0%

In-app purchases

10 purchases

Nonogram Color Book

One-time10
  • TINY COIN PACK$2.99
  • BEGINNER HINT BUNDLE$2.99
  • SMALL COIN PACK$4.99
Show 7 more
  • BEGINNER LIFE BUNDLE$4.99
  • Remove Ads$4.99
  • MEDIUM COIN PACK$9.99
  • ADVANCE LIFE BUNDLE$9.99
  • MEGA HINT BUNDLE$24.99
  • SUPER LIFE BUNDLE$24.99
  • MEGA LIFE BUNDLE$49.99
None

K.O. Nonogram

No in-app purchases

Questions

Is Nonogram Color Book free?
Nonogram Color Book is free to download, with in-app purchases available.
Is K.O. Nonogram free?
K.O. Nonogram is free to download, with no in-app purchases.
Which has better reviews, Nonogram Color Book or K.O. Nonogram?
K.O. Nonogram is rated higher. Nonogram Color Book averages 4.2 out of 5 from 67 ratings, while K.O. Nonogram averages 5.0 from 2 ratings.
Do Nonogram Color Book or K.O. Nonogram have ads?
Both Nonogram Color Book and K.O. Nonogram show ads.
Which is updated more often, Nonogram Color Book or K.O. Nonogram?
Nonogram Color Book ships an update fortnightly, and K.O. Nonogram every 5 days. Most recently, Nonogram Color Book was updated on November 3, 2026 and K.O. Nonogram on November 7, 2026.

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