Mahjong Challenges vs Undersea Mahjong
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mahjong Challenges
Experience the classic Mahjong solitaire game with a timed challenge. Remove all tiles by matching pairs, utilizing unlimited undo, hints, and shuffles. Compete for high scores on 300 unique board layouts.
- 300 board layouts
- Infinite Undo, Hints, Shuffle
- Adjustable tile illumination
- HD graphics
- Guaranteed solvable puzzles
- Score based on time
- High score tracking
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Mahjong Challenges is the classic Mahjong solitaire game, with the variance of each game must be resolved on a given time or less. Hoy to play Mahjong: The goal is to remove all the tiles from the board. You may remove only paired free tiles. The tile is free when there are no tiles either to the left or to the right from it. In this Game you will have: - 300 Board layouts - Infinite Undo, Hints, Shuffle. Easy access at the bottom of the board. - Shadow: you decide to illuminate the entire Layout, or only the clickable tiles. - HD Images. - All puzzles can be solved. - Tile set design for easy recognition. - Score based on the time elapsed between matches. Less time more points. - Each Board has a High Score that you can beat. - Universal Game. You can play on iPad, iPhone or iPod Touch. Enjoy!
Undersea Mahjong
A classic matching puzzle game where you clear the board by pairing identical tiles. Explore various themes and unlock new game modes to keep the challenge fresh. Compete with others through leaderboards and achievements.
- Classic Mahjong matching gameplay
- Multiple game modes including Memory
- Over 30 themed layouts
- Three difficulty levels
- Multi-language support
- Leaderboards and achievements
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*** UNDERSEA MAHJONG *** Mahjong Game! Mahjong is a classic matching puzzle game. Clear the board by matching all identical and free tiles. Game Features: -Different Game Modes: Undersea Mahjong is not only a Mahjong Game! A bunch of new game modes will be unlocked gradually. Let's start with Undersea Memory and stay tuned for the others! You'll never get bored! -30+ Different Layouts: be ready to travel among the seven wonders, freezing winters and dozen of classical themes. Do not miss the new layouts that will be released! -3 Degree of difficulties to better fit your skills. -Multi Language System: English, Italian, French, Spanish, Portuguese, German, Dutch. -Leader Boards, Achievements, and Social Features.
Screenshots
Verdict
The clearest difference is ads: Mahjong Challenges at none against Undersea Mahjong's shown. Undersea Mahjong's advantage is update cadence (every 3 months vs every 34 months) and review sentiment (43% vs 29%). On price, rating, ratings volume and in-app purchases 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. Mahjong Challenges sells 6 one-off in-app purchases and Undersea Mahjong sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Mahjong Challenges against 4.7 for Undersea Mahjong. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews are what separate them: 29% of Mahjong Challenges's written reviews are positive against 43% of Undersea Mahjong's.
Mahjong Challenges ships an update every 34 months, Undersea Mahjong every 3 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | Mahjong Challenges | Undersea Mahjong |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | 4.7 (3 ratings) |
| Positive reviews | 29.4% of reviews | 42.9% of reviews — better |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 34 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13 | 12.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Jose Varela | Code This Lab srl |
Customer experience
Mahjong Challenges
Undersea Mahjong
In-app purchases
Mahjong Challenges
- 3 extra lives$1.99
- Undo button$1.99
- Hint$1.99
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- Double time$1.99
- Shuffle$1.99
- Set of 5 lives$2.99
Undersea Mahjong
- New 7 Wonders Layout$0.99
- Disable Ads$0.99
- Six New Layouts$0.99
Show 3 moreShow fewer
- New Six Winter Layout$0.99
- Coins Pack$1.99
- 100 coins, disable Ads, your name in the credits!$2.99
Questions
Is Mahjong Challenges free?
Is Undersea Mahjong free?
Which has better reviews, Mahjong Challenges or Undersea Mahjong?
Do Mahjong Challenges or Undersea Mahjong have ads?
Which is updated more often, Mahjong Challenges or Undersea Mahjong?
Other comparisons
