Zero21 Card Game vs Fan Jam!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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!
Fan Jam!
A fast-paced puzzle game where players clear grids of stacked propellers by matching colors. Tap to send propellers to a dock and match three of the same color to remove them, strategizing to overcome jammed and stacked pieces.
- Grid-based propeller matching
- Tap to send propellers to dock
- Match three of the same color
- Overcome stacked propellers
- Brain-teasing puzzle strategy
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Experience "Fan Jam," a fast-paced puzzle game where you clear grids of stacked propellers. Clear the grid by freeing and matching colored propellers. Tap to send propellers to the dock area; match three of the same color to remove them. Watch out for jammed propellers—those with another on top are stacked. With clever strategies, conquer this brain-teasing puzzle and collect all the propellers.
Screenshots
Verdict
The clearest difference is rating: Fan Jam! at 4.8 against Zero21 Card Game's 4.0. Fan Jam! also leads on update cadence (every 4 days vs every 65 months) and ratings volume (16 vs 3). 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.
Fan Jam! holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Fan Jam! has 16 ratings behind it against 3, so its average is the more settled of the two.
Zero21 Card Game ships an update every 65 months, Fan Jam! every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Zero21 Card Game | Fan Jam! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 4.8 (16 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 | 16 — better |
| Update frequency | Every 65 months | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 96 MB |
| Age rating | 4+ | 17+ |
| Developer | Le Nhung | Virtual Projects Oyun Yazilim Ve Teknoloji |
Customer experience
Zero21 Card Game
Fan Jam!
In-app purchases
Zero21 Card Game
No in-app purchases
Fan Jam!
No in-app purchases
Questions
Is Zero21 Card Game free?
Is Fan Jam! free?
Which has better reviews, Zero21 Card Game or Fan Jam!?
Do Zero21 Card Game or Fan Jam! have ads?
Which is updated more often, Zero21 Card Game or Fan Jam!?
Other comparisons
