Decoder vs Color Sudoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Decoder
This app assists players in solving the Mastermind logic game. It helps narrow down possible solutions by analyzing your guesses and their scores. Continue inputting your game progress until only one solution remains.
- Mastermind game solver
- Input guesses and scores
- Reduces possible solutions
- Guides to single solution
Read full descriptionHide full description
This is NOT another mastermind look alike game. However, if you like to play mastermind, you would want to get this application. This application helps you solve the mastermind game. Use the first picker to select a guess. Then select the score you got for that guess on the second picker and click Decode. The application will determine the remaining possible solutions. The number of remaining possible solution is shown on the toolbar. Repeat the above steps until one solution is left.
Color Sudoku
This logic puzzle game challenges you to fill color regions with numbers 1-N without adjacent repeats, even diagonally. It offers smart notes, hints, and adjustable difficulty levels from Easy to Expert, with daily challenges and customizable themes.
- Color region number filling
- No adjacent or diagonal repeats
- Smart notes and hints
- Multiple difficulty levels
- Daily challenges
- Customizable themes
Read full descriptionHide full description
A fresh Sudoku-style logic game: fill each color region with 1–N and no adjacent repeats (even diagonally). Clean design, smart notes, hints, and difficulty from Easy to Expert. Highlights: Color regions: each region uses numbers 1–N once. No repeats: adjacent cells (incl. diagonals) can’t match. Play your way: Notes, Undo/Redo, and Hints when stuck. Progression: Easy → Expert with daily challenges. Custom themes: pick palettes that match your mood. How to play: Tap a cell and place a number. Use notes to track candidates. Complete every region with 1–N, with no matching neighbors.
Screenshots
Verdict
The clearest difference is review sentiment: Color Sudoku at 100% against Decoder's 0%. Color Sudoku also leads on rating (4.9 vs 1.2) and update cadence (every 9 days vs every 7 months). Decoder's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume 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. Color Sudoku sells 5 one-off in-app purchases. Decoder asks for nothing beyond the download.
Color Sudoku holds the better App Store score, 4.9 against 1.2. Both are backed by a comparable volume of ratings — 5 and 10 respectively. Written reviews point the same way: 0% of Decoder's written reviews are positive against 100% of Color Sudoku's.
Decoder ships an update every 7 months, Color Sudoku every 9 days. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.
| Parameter | Decoder | Color Sudoku |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (5 ratings) | 4.9 (10 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 10 — better |
| Update frequency | Every 7 months | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Edwin Hou | MigoApps, LLC |
Customer experience
Decoder
Color Sudoku
In-app purchases
Decoder
No in-app purchases
Color Sudoku
- 10 Hints$0.99
- 25 Hints$1.99
- Remove ads$1.99
Show 2 moreShow fewer
- 50 Hints$2.99
- 125 Hints$4.99
