Comparison

Mathdoku + Calcudoku vs Nonogram.com Color

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

Head to head
About

Mathdoku + Calcudoku

This game combines arithmetic and logic puzzles, similar to Sudoku. Fill grids with numbers based on row, column, and cage calculations. It offers multiple grid sizes and difficulty levels.

Highlights
  • Sudoku-like grid filling
  • Arithmetic and logic challenges
  • Cage-based calculations
  • Multiple grid sizes (4x4 to 9x9)
  • Varying difficulty levels
Features
Read full description

Mathdoku + Calcudoku is arithmetic and logic puzzle similar to Sudoku and based on rules of Kendoku ® and KenKen ® Fill the grid so that each row and column only have one of each available number (1 to N). The table is separated into groups that are calculated together. Each group's total is displayed in the top-left corner along with the operator that was used (+ * / - ) Digits may be repeated within a cage, as long as they aren't in the same row or column. The games are available in 6 formats: 4x4 (Beginner), 5x5 (Easy), 6x6 (Medium), 7x7 (Hard), 8x8 (Advanced) and 9x9 (Extreme) Complete rules on http://www.essekappa.it?p=mathdoku

About

Nonogram.com Color

Engage in a vibrant logic puzzle experience by filling colored squares to reveal hidden pixel art. This game offers a fresh take on classic nonograms with enhanced gameplay and challenging multicolor puzzles. It's easy to learn and provides hours of addictive fun for puzzle enthusiasts.

Highlights
  • Fill squares with colors
  • Reveal hidden pictures
  • Challenging multicolor puzzles
  • Basic rules and logic guidance
  • Use hints for assistance
  • Earn extra lives
Features
Read full description

Discover the mystery of Nonogram.com Color! With its enhanced gameplay, it's easy to follow the game rules and become a Nonogram master. Explore Nonogram.com Color and discover a fresh take on this classic paper-and-pencil nonogram puzzle. Start with the basic rules and logic behind the picture cross puzzle with a challenging multicolor style. - Fill the squares with colors and reveal the hidden picture - Numbers above the column are read from top to bottom - Numbers to the left of the rows are read from left to right - Follow the order of color groups and switch colors to mark appropriate squares - Different color groups may be placed next to each other - Groups of the same color should be separated by at least 1 empty square - If you figure out that a square shouldn’t be colored, mark it with an X - Use hints if you get stuck - Get extra lives if you make a mistake Nonogram.com Color is easy to learn and quite addictive once you start playing. Challenge yourself and enjoy hours of fun with logic number puzzles!

Screenshots

Mathdoku + Calcudoku4 screens
Nonogram.com Color4 screens

Verdict

The call

The clearest difference is rating: Nonogram.com Color at 4.7 against Mathdoku + Calcudoku's 1.0. Nonogram.com Color also leads on update cadence (every 3 weeks vs every 12 months) and ratings volume (26K vs 1). Mathdoku + Calcudoku's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, review sentiment, in-app purchases 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. Mathdoku + Calcudoku sells 2 one-off in-app purchases and Nonogram.com Color sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Nonogram.com Color holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Nonogram.com Color has 26K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 60% of Mathdoku + Calcudoku's written reviews are positive against 54% of Nonogram.com Color's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Mathdoku + Calcudoku ships an update every 12 months, Nonogram.com Color every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Mathdoku + Calcudoku versus Nonogram.com Color: the parameters behind the verdict, then further details
ParameterMathdoku + CalcudokuNonogram.com Color
PriceFreeFree
Rating1.0 (1 ratings)4.7 (26K ratings) — better
Positive reviews60.0% of reviews — better54.3% of reviews
Number of ratings126K — better
Update frequencyEvery 12 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size9 MB212 MB
Age rating4+12+
DeveloperMarco GentiliEasybrain Ltd

Customer experience

Mathdoku + Calcudoku

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews10 reviews
Positive60.0%
Neutral10.0%
Negative30.0%

Nonogram.com Color

All ratings25,520 ratings
Positive92.4%
Neutral4.3%
Negative3.4%
Written reviews617 reviews
Positive54.3%
Neutral19.6%
Negative26.1%

Bugs and requests

Mathdoku + Calcudoku

Not enough reviews yet to summarise bugs or requests.

Nonogram.com Color

Reported bugs

3 issues
  • Game freezing and crashing issues
  • Progress reset after updates
  • Incorrect/misleading clue information

Requested features

5 requests
  • Ability to choose difficulty level
  • Colorblind mode with high contrast
  • Zoom/magnification functionality
  • Undo/redo feature
  • Dark mode option

In-app purchases

2 purchases

Mathdoku + Calcudoku

One-time2
  • Remove iAd Banner$0.99
  • Full Version$0.99
1 purchases

Nonogram.com Color

One-time1
  • Remove Ads$14.99

Questions

Is Mathdoku + Calcudoku free?
Mathdoku + Calcudoku is free to download, with in-app purchases available.
Is Nonogram.com Color free?
Nonogram.com Color is free to download, with in-app purchases available.
Which has better reviews, Mathdoku + Calcudoku or Nonogram.com Color?
Nonogram.com Color is rated higher. Mathdoku + Calcudoku averages 1.0 out of 5 from 1 ratings, while Nonogram.com Color averages 4.7 from 26K ratings.
Do Mathdoku + Calcudoku or Nonogram.com Color have ads?
Nonogram.com Color shows ads; Mathdoku + Calcudoku does not.
Which is updated more often, Mathdoku + Calcudoku or Nonogram.com Color?
Mathdoku + Calcudoku ships an update every 12 months, and Nonogram.com Color every 3 weeks. Most recently, Mathdoku + Calcudoku was updated on November 1, 2026 and Nonogram.com Color on November 7, 2026.

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