# Wiz 21 vs Black Jack!!

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.

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.

## The numbers

| Metric | Wiz 21 | Black Jack!! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/wiz-21/id1445559786/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 145 MB | 29 MB |
| Requires iOS | **12.0** | 13.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SPAR Infotech, Inc.](https://appshunter.io/developer/1445559785) | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) |

## What reviewers say

### Wiz 21

[App page](https://appshunter.io/ios/app/wiz-21/id1445559786)

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.

**Highlights:** Blackjack game, Intelligent move calculation, Next move suggestions (Stick, Hit, Double Down, Split), Card-dealt based strategy, Unique decision-making engine

**Features:** macOS Compatibility

**In-app purchases:** none


### Black Jack!!

[App page](https://appshunter.io/ios/app/black-jack/id6474468571)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Wiz 21 free?

Wiz 21 is free to download, with no in-app purchases.

### Is Black Jack!! free?

Black Jack!! is free to download, with no in-app purchases.

### Do Wiz 21 or Black Jack!! have ads?

Black Jack!! shows ads; Wiz 21 does not.

### Which is updated more often, Wiz 21 or Black Jack!!?

Wiz 21 ships an update every 3 months, and Black Jack!! every 3 weeks. Most recently, Wiz 21 was updated on November 2, 2026 and Black Jack!! on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*