Mahjong Numbers vs Zero21 Card Game
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mahjong Numbers
Experience a unique twist on the classic tile-matching puzzle game. Instead of traditional symbols, you'll match numbered tiles across hundreds of handcrafted levels. Enjoy a relaxing, brain-training experience that's easy to learn and satisfying for both new and experienced players.
- Numbered tiles for a fresh challenge
- Hundreds of handcrafted levels
- No timers for relaxed play
- Brain training and focus enhancement
- Modern Mahjong experience
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Discover a fresh take on the timeless puzzle classic! Match your way through hundreds of handcrafted levels in this uniquely addictive Mahjong game—featuring numbered tiles instead of traditional symbols. Whether you're a Mahjong master or new to the game, this version offers an exciting twist that’s easy to learn and endlessly satisfying. Features: Numbered tiles for a fresh challenge No timers—relax and play at your own pace Train your brain, boost your focus, and enjoy a modern Mahjong experience with a numeric edge!
Zero21 Card Game
This number puzzle game challenges you to keep your score between 0 and 21 by collecting cards. Utilize power-up cards and strategic choices to navigate diverse levels and daily challenges. It's a fun, relaxing way to train your brain.
- Keep score between 0 and 21
- Collect number cards
- Use power-up cards
- Unlock new card collections
- Daily challenges
- Diverse card layouts
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"ZERO21 CARD GAME Zero21 Card Game is a number games with solitaire card. It is fun, relax but helps to train your brain. ***HOW TO PLAY*** The game rule is simple: Try to stay between 0 and 21. - Collect the number card on the board - Choose the right one to keep the sum lower than 21 and greater than 0 - Use the power up cards to help you solve this math game ***FEATURES*** - PICK YOUR STYLE: Many unique stylish card collections for your choice to play to keep things fresh everyday. - AMAZE IN EVERY LEVEL: Diversity card layouts at each level let the game more interesting. - FINISH DAILY CHALLENGE to unlock new card collections. - Golden card keeps your current number at the golden one. - See the next number with forseen card. - Hold button help to keep the card for the next move. - Remove the unused card with Delete button. You should not miss this mathgame because it is TOTALLY FREE and help you BE SMARTER everyday!
Screenshots
Verdict
The clearest difference is review sentiment: Mahjong Numbers at 71% against Zero21 Card Game's 0%. Mahjong Numbers also leads on rating (4.7 vs 4.0) and update cadence (every 2 months vs every 65 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Mahjong Numbers holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Mahjong Numbers has 141 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 71% of Mahjong Numbers's written reviews are positive against 0% of Zero21 Card Game's.
Mahjong Numbers ships an update every 2 months, Zero21 Card Game every 65 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Mahjong Numbers | Zero21 Card Game |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (141 ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 70.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 141 — better | 3 |
| Update frequency | Every 2 months — better | Every 65 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 6 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | John Rouda | Le Nhung |
Customer experience
Mahjong Numbers
Zero21 Card Game
In-app purchases
Mahjong Numbers
No in-app purchases
Zero21 Card Game
No in-app purchases
Questions
Is Mahjong Numbers free?
Is Zero21 Card Game free?
Which has better reviews, Mahjong Numbers or Zero21 Card Game?
Do Mahjong Numbers or Zero21 Card Game have ads?
Which is updated more often, Mahjong Numbers or Zero21 Card Game?
Other comparisons
