klang² vs Irodoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
klang²
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20 sound squares turn your ears upside down. Which bird sings? Which composer sounds? Can you put proverbs together and recognize foreign languages? Place your smartphone with the klang² app open in the middle of the table, place a sound square on the reader and listen carefully: Off you go with your acoustic game collection! ATTENTION: This app only works together with 20 sound squares, which are available via klang2.com.
Irodoku
Experience Sudoku with a vibrant twist! This game offers a classic 9x9 grid filled with colors instead of numbers. Challenge yourself with multiple difficulty levels and enjoy smooth animations and intuitive controls.
- 9x9 Colorful Grids
- Multiple Difficulty Levels
- Smooth Animations
- Undo & Delete Functionality
- Color Picker
- Non-erasable Prefilled Squares
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Irodoku: A Colorful spin on Sudoku! Get ready to experience Sudoku like never before with Irodoku, the colorful puzzle that will challenge your mind while adding a delightful splash of colors to your screen! Whether you're a seasoned Sudoku master or just a beginner, Irodoku offers fun and stimulating gameplay that everyone can enjoy. Features: - 9x9 Colorful Grids: The classic Sudoku grid, now with vibrant colors! Fill in each square with a unique color while adhering to the traditional Sudoku rules. - Multiple Difficulty Levels: Choose from Easy, Medium, Hard, and Very Hard modes to suit your skill level. Start with more pre-filled squares for an easy game or take on a real challenge with fewer hints in Very Hard mode! - Smooth Animations: Feel the excitement as completed rows, columns, and quadrants come to life with satisfying animations to reward your progress. - Undo & Delete: Made a mistake? No problem! With the undo and delete features, you can easily undo or delete your moves without any hassle. - Color Picker: Select your colors and fill the board with vibrant hues, making sure each square is distinct and complies with the rules. - Non-erasable Prefilled Squares: To maintain the challenge, any squares that are prefilled when the game starts cannot be erased, adding an extra layer of strategy. - Beautifully Designed Interface: Simple and intuitive, Irodoku is designed to make it easy to play, with smooth controls and eye-catching colors. How to Play: - Fill the 9x9 grid with colors, ensuring that no row, column, or 3x3 quadrant has duplicate colors. - Start with Easy mode if you're new to Irodoku and work your way up to Very Hard to really test your skills! With its intuitive gameplay and beautiful animations, Irodoku offers hours of relaxing yet brain-teasing fun. Whether you’re playing for a quick puzzle fix or a serious challenge, you’ll love solving puzzles with colors in Irodoku. Download now and add some color to your puzzle-solving experience!
Screenshots
Verdict
The clearest difference is in-app purchases: Irodoku at none against klang²'s 10. klang²'s advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.5). On price and ads 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. klang² sells 10 one-off in-app purchases. Irodoku asks for nothing beyond the download.
| Parameter | klang² | Irodoku |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.5 |
| Further details — not scored | ||
| Size | 89 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Oberlin & Rennertz GmbH | SOLUNA INTERACTIVE LLC |
In-app purchases
klang²
- Klang2 Pro Option 0Free
- Klang2 Pro Option 1$0.99
- Bundesländer und Hauptstädte$0.99
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- Klang2 Pro Option 2$1.99
- Klang2 Pro Option 3$3.99
- Volkslieder Premium$3.99
- Tierisch Menschlich$3.99
- Klang2 Pro Option 4$7.99
- Klang2 Pro Option 5$11.99
- Klang2 Pro Option 6$16.99
Irodoku
No in-app purchases









