Wiz 21 vs Black Jack!!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Wiz 21
This blackjack game offers a unique twist by calculating the optimal next move based on every card dealt, going beyond standard basic strategy. It provides intelligent suggestions for sticking, hitting, doubling down, or splitting.
- Blackjack game
- Intelligent move calculation
- Next move suggestions (Stick, Hit, Double Down, Split)
- Card-dealt based strategy
- Unique decision-making engine
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Detailing features and functionality – 1. Blackjack Game 2. Unique Feature of the game is it calculates the best decision for the player’s next move e.g. Stick, Hit, Double Down , Split. This differs from the commonly used Basic Strategy. The Basic Strategy provides guidelines whereas Wiz 21 considers every card that has been dealt to estimate the best decision.
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!
Screenshots
Verdict
The clearest difference is ads: Wiz 21 at none against Black Jack!!'s shown. Black Jack!!'s advantage is update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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.
Wiz 21 ships an update every 3 months, Black Jack!! every 3 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | Wiz 21 | Black Jack!! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.3 |
| Further details — not scored | ||
| Size | 145 MB | 29 MB |
| Age rating | 17+ | 4+ |
| Developer | SPAR Infotech, Inc. | yuya kanbetsunawa |
In-app purchases
Wiz 21
No in-app purchases
Black Jack!!
No in-app purchases
Questions
Is Wiz 21 free?
Is Black Jack!! free?
Do Wiz 21 or Black Jack!! have ads?
Which is updated more often, Wiz 21 or Black Jack!!?
Other comparisons
