# CountJack vs Blackjack

The clearest difference is price: CountJack at Free against Blackjack's $9.99. CountJack also leads on update cadence (every 2 days vs every 6 days). Blackjack's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

CountJack is free to download; Blackjack costs $9.99 up front. CountJack sells 5 one-off in-app purchases. Blackjack asks for nothing beyond the download.

CountJack ships an update every 2 days, Blackjack every 6 days. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CountJack | Blackjack |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/blackjack-simulator/id6505077422/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 6 days |
| Monetization | — | Paid |
| Best chart rank | — | **#138** |
| Size | 64 MB | 40 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Andrey Seleznev](https://appshunter.io/developer/1665252540) | [Double Down Software](https://appshunter.io/developer/1751632262) |

## What reviewers say

### CountJack

[App page](https://appshunter.io/ios/app/countjack/id6462346330)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 coin | $0.99 | one-time |
| 5 coins | $1.99 | one-time |
| 20 coins | $2.99 | one-time |
| 50 coins | $3.99 | one-time |
| 100 coins | $4.99 | one-time |


### Blackjack

[App page](https://appshunter.io/ios/app/blackjack-simulator/id6505077422)

**Currently charting:** #138 Top Paid · Casino (US App Store)

This app simulates countless blackjack hands to analyze strategy performance, helping users understand counting strategies and their outcomes. It offers detailed statistics, customizable rules, and error analysis for skill refinement.

**Highlights:** Fast hand simulations (up to 100,000/sec), Detailed statistics tracking (gains, edge, risk of ruin), Customizable strategies (HILO, KO, REKO, custom), Flexible table rule settings, Player error impact analysis, Real-time performance monitoring, Save and compare simulation results

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CountJack free?

CountJack is free to download, with in-app purchases available.

### Is Blackjack free?

Blackjack costs $9.99, with no in-app purchases.

### Do CountJack or Blackjack have ads?

CountJack shows ads; Blackjack does not.

### Which is updated more often, CountJack or Blackjack?

CountJack ships an update every 2 days, and Blackjack every 6 days. Most recently, CountJack was updated on October 16, 2026 and Blackjack on October 21, 2026.

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