A card game where players aim to get a higher score than their opponent without exceeding 21. Choose from classic or power-up modes, playing solo or with friends.



242+ iOS apps & games curated and reviewed
21 is the household name in rule 21 game, but it's far from the only option. We track 242+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Aug 2026 | ||
| 2 | Free | 4.4★ (5) | No | Yes | Oct 2026 | ||
| 3 | Free | 4.4★ (301) | No | Yes | Nov 2026 | ||
| 4 | Free | — | Yes | Yes | Oct 2026 | ||
| 5 | Free | 5.0★ (2) | No | Yes | Oct 2026 | ||
| 6 | Free | 4.4★ (2.2K) | No | Yes | Nov 2026 | ||
| 7 | Free | 4.6★ (89) | No | Yes | Oct 2026 | ||
| 8 | Free | 4.7★ (26) | No | No | Oct 2026 |








A card game where players aim to get a higher score than their opponent without exceeding 21. Choose from classic or power-up modes, playing solo or with friends.





Learn and play Blackjack with a realistic casino experience. Master basic strategy and card counting through daily missions, tournaments, and challenges. Enjoy the game without any advertisements.