# Blackjack Strategy vs Blackjack | 21

Blackjack Strategy and Blackjack | 21 both sit at 4.7 stars, but that hides the real split: 100% of Blackjack Strategy's written reviews are positive against 67% of Blackjack | 21's. Blackjack | 21's advantage is update cadence (every 3 days vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Blackjack Strategy sells 3 in-app purchases, starting at $8.99 per 7 days and Blackjack | 21 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Blackjack Strategy against 4.6 for Blackjack | 21. Both are backed by a comparable volume of ratings — 102 and 69 respectively. Written reviews are what separate them: 100% of Blackjack Strategy's written reviews are positive against 67% of Blackjack | 21's.

Blackjack Strategy ships an update every 5 weeks, Blackjack | 21 every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Blackjack Strategy | Blackjack | 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (102 ratings)](https://appshunter.io/ios/app/blackjack-strategy-21-trainer/id6759527695/reviews)** | [4.6 (69 ratings)](https://appshunter.io/ios/app/blackjack-21/id6790571321/reviews) |
| Number of ratings | **102** | 69 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 62 MB | 19 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Apphaze](https://appshunter.io/developer/1856021247) | [High Roller Studios](https://appshunter.io/developer/6790571323) |

## What reviewers say

### Blackjack Strategy

[App page](https://appshunter.io/ios/app/blackjack-strategy-21-trainer/id6759527695)

Master blackjack with this comprehensive trainer. Learn basic strategy, practice card counting systems, and simulate casino sessions. Improve your game with detailed feedback and customizable rules, all offline.

**Highlights:** Learn basic strategy with 270+ hand scenarios, Practice 4 card counting systems, Simulate casino sessions with bankroll management, Customize house rules and decks, Offline play for practice anywhere, Detailed statistics and progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 21 Trainer Pro | $8.99 | per 7 days |
| 21 Trainer Pro | $14.99 | per month |
| 21 Trainer | $59.99 | one-time |


### Blackjack | 21

[App page](https://appshunter.io/ios/app/blackjack-21/id6790571321)

Practice blackjack with a personalized coach and interactive lessons. Improve your strategy through skill-based progression, tournaments, and detailed stats without risking real money.

**Highlights:** Personalized blackjack coach, Interactive lessons for strategy, Skill-based progression system, Weekly seeded tournaments, Detailed lifetime statistics, Customizable table rules, Haptic and sound feedback

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small chip pack | $0.99 | one-time |
| Medium chip pack | $2.99 | one-time |
| Large chip pack | $4.99 | one-time |
| Mega chip pack | $9.99 | one-time |


## Frequently asked questions

### Is Blackjack Strategy free?

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

### Is Blackjack | 21 free?

Blackjack | 21 is free to download, with in-app purchases available.

### Which has better reviews, Blackjack Strategy or Blackjack | 21?

Blackjack Strategy is rated higher. Blackjack Strategy averages 4.7 out of 5 from 102 ratings, while Blackjack | 21 averages 4.6 from 69 ratings.

### Do Blackjack Strategy or Blackjack | 21 have ads?

Both Blackjack Strategy and Blackjack | 21 show ads.

### Which is updated more often, Blackjack Strategy or Blackjack | 21?

Blackjack Strategy ships an update every 5 weeks, and Blackjack | 21 every 3 days. Most recently, Blackjack Strategy was updated on October 31, 2026 and Blackjack | 21 on October 31, 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.*