SodokuMaster vs IMPOSSIBLE RIDDLES CHALLENGE
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SodokuMaster
This game offers a variety of Sudoku puzzles for all skill levels, from beginner to expert. It provides features like different playing modes, difficulty levels, and helpful tools to enhance the gameplay experience and keep your mind active.
- Two playing modes: Normal and Challenge
- Five levels of difficulty
- Over 5,000 puzzles
- Auto-Check and Pencil mode
- Highlight duplicates
- Undo/Redo functions
- Hints and auto-save
Read full descriptionHide full description
This game for people from beginner to expert players. Whether you'd like to relax or keep mind active – pass your free time in a pleasant way! Highlights * Two playing modes: Normal and Challenge * Five levels of difficulty: flash, easy, medium, hard, and expert * More than 5,000 well-formed puzzles * Sound Effect and background * Game center and Statistic The main features: 1. Challenge yourself figuring out your mistakes, or enable Auto-Check to see your mistakes as you go 2. Turn on Pencil mode to make notes as on paper. Each time you fill in a cell, notes are automatically updated! 3. Highlight duplicates to avoid repeating numbers in a row, column and block 4. Support Undo, Redo functions 5. Support sound effect and background to help you exciting to play game 6. Hints can guide you through the points when you are stuck 7. Highlighting of a row, column and box related to the selected cell 8. Auto-save. If you leave a sudoku unfinished it will be saved. Continue playing anytime ... Challenge your brain anywhere, anytime!
IMPOSSIBLE RIDDLES CHALLENGE
Read full descriptionHide full description
** IMPOSSIBLE RIDDLES CHALLENGE: Test Your Brain Power ! ** ** Can you solve these impossible riddles ? ** * What has an eye but cannot see ? * What has a neck without a head ? * What has a bed but never sleeps ? * What has a bank but no money? ** Test your brain and challenge your friends with this fun and addictive riddle game ! ** ** Features : ** * ** Thousands of challenging riddles ** * ** New riddles added regularly ** * ** Compete with friends on the leaderboard ** * ** Earn badges for your achievements ** * ** Offline play available ** ** This game is perfect for : ** * ** Riddle lovers ** * ** Brain teasers enthusiasts ** * ** Anyone who loves a good challenge ** ** Download IMPOSSIBLE RIDDLES CHALLENGE today and start puzzling !!! **
Screenshots
Verdict
The clearest difference is in-app purchases: IMPOSSIBLE RIDDLES CHALLENGE at none against SodokuMaster's 1. SodokuMaster's advantage is iOS requirement (9.0 vs 13.4). On price, update cadence, 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
Both are free to download. SodokuMaster sells 1 one-off in-app purchase. IMPOSSIBLE RIDDLES CHALLENGE asks for nothing beyond the download.
SodokuMaster ships an update every 3 weeks, IMPOSSIBLE RIDDLES CHALLENGE monthly. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.
| Parameter | SodokuMaster | IMPOSSIBLE RIDDLES CHALLENGE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (26 ratings) — better | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 37 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoa Nguyen Quang | NGUYEN DUC HIEU |
In-app purchases
SodokuMaster
- Remove Ads$4.99
IMPOSSIBLE RIDDLES CHALLENGE
No in-app purchases
Questions
Is SodokuMaster free?
Is IMPOSSIBLE RIDDLES CHALLENGE free?
Do SodokuMaster or IMPOSSIBLE RIDDLES CHALLENGE have ads?
Which is updated more often, SodokuMaster or IMPOSSIBLE RIDDLES CHALLENGE?
Other comparisons
