Classic Nonogram vs Flex Sudoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Classic Nonogram
This logic puzzle game challenges you to color cells based on number clues. With multiple difficulty levels and limited lives, it offers a brain-teasing experience for puzzle enthusiasts.
- Logic-based cell coloring
- Number clues for guidance
- Multiple difficulty levels
- Limited lives mechanic
- Extensive level progression
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If you are a fan of Sudoku, you'll go crazy over this new logic game! The aim of the game is to work out which cells must be colored or left blank. The numbers on columns and rows will help you - but be careful! You only have three lives! 12 different difficulties with 24 levels each.
Flex Sudoku
Engage with challenging Sudoku puzzles of various sizes, from classic 9x9 to larger 16x16 and 25x25 grids. Load pre-made games, create your own, and utilize a built-in solver and note-taking features to enhance your solving experience.
- Multiple Sudoku grid sizes (4x4 to 25x25)
- Load thousands of built-in games
- Enter and solve your own games
- Adjustable difficulty levels
- Built-in Sudoku solver
- Note-taking and hint system
- Track game statistics
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Challenge yourself by playing more complex version of sudoku. You can try the classic 9x9, or more complex 16x16 or 25x25. You can even try 4x4 version for fun. Here is what you can do with the game: 1. Play classic, 16x16, 25x25 or 4x4 size sudoku game. 2. Play by loading thousands of built in games or enter your own game. 3. Choose the degree of difficulty of these games. 4. A sudoku solver is built in and can be used for solving any game you are playing. 5. Enter Notes while solving the game or using mutliple levels of hints to help you with the game. 6. Keep track of number of games played, minimum, maximum and average time to complete the game.
Screenshots
Verdict
The clearest difference is review sentiment: Flex Sudoku at 50% against Classic Nonogram's 0%. Flex Sudoku also leads on rating (3.4 vs 1.0) and in-app purchases (none vs 1). Classic Nonogram's advantage is iOS requirement (11.0 vs 15.4). On price 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
Both are free to download. Classic Nonogram sells 1 one-off in-app purchase. Flex Sudoku asks for nothing beyond the download.
Flex Sudoku holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Flex Sudoku has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Classic Nonogram's written reviews are positive against 50% of Flex Sudoku's.
Classic Nonogram ships an update every 10 months, Flex Sudoku every 2 months. The most recent releases landed on June 11, 2026 and July 5, 2026 respectively.
| Parameter | Classic Nonogram | Flex Sudoku |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 3.4 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 20 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Code This Lab srl | Jatinder Gogna |
Customer experience
Classic Nonogram
Flex Sudoku
In-app purchases
Classic Nonogram
- Remove Ads$1.99
Flex Sudoku
No in-app purchases
Questions
Is Classic Nonogram free?
Is Flex Sudoku free?
Which has better reviews, Classic Nonogram or Flex Sudoku?
Do Classic Nonogram or Flex Sudoku have ads?
Which is updated more often, Classic Nonogram or Flex Sudoku?
Other comparisons
