Black Jack!! vs CardStack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Black Jack!!
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Enjoy Blackjack anytime, anywhere! This is a simple and stylish Blackjack card game. Just tap "Start" to deal your cards, flip them over to check your hand, and draw more cards to get as close to 21 as you can. When you're ready, tap "Fight" to reveal your total. Features: - Simple, intuitive controls anyone can enjoy - Beautiful card animations - Aces are automatically counted as 1 or 11 for you - Play as many rounds as you like, completely free Perfect for a quick break or killing some time. Try your luck and aim for 21!
CardStack
An addictive card game where players predict if the next card will be higher or lower. Enjoy quick gaming sessions alone or challenge friends, test your luck, and aim for the highest score with beautiful animations and intuitive gameplay.
- Higher or lower card prediction
- Solo and multiplayer modes
- Game history and stats tracking
- Customizable sound and animations
- Beautiful card designs
- Streak challenges
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CardStack: High Low Challenge is an addictive card game where you predict whether the next card will be higher or lower than the current one. Perfect for quick gaming sessions, play alone or challenge friends! Test your luck, improve your streak, and aim for the highest score. With beautiful animations and intuitive gameplay, it's the perfect game to pass the time. Features: Simple yet engaging gameplay Play solo or with up to 4 players Track your game history and stats Customize settings for sound and animations Beautiful card designs and smooth animations Challenge yourself to beat your highest streak Download now and see how long you can keep your winning streak going!
Screenshots
Verdict
The clearest difference is iOS requirement: Black Jack!! at 13.3 against CardStack's 26.0. On price, update cadence, ads 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. Neither carries in-app purchases, so what you see is what you pay.
Black Jack!! ships an update every 3 weeks, CardStack every 2 weeks. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.
| Parameter | Black Jack!! | CardStack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.3 — better | 26.0 |
| Further details — not scored | ||
| Size | 29 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | yuya kanbetsunawa | Mizuki Hoshida |
In-app purchases
Black Jack!!
No in-app purchases
CardStack
No in-app purchases
