# Blackjack Trainer vs Blackjack | 21

The clearest difference is ads: Blackjack Trainer at none against Blackjack | 21's shown. Blackjack Trainer also leads on rating (5.0 vs 4.6) and iOS requirement (15.1 vs 18.0). Blackjack | 21's advantage is ratings volume (57 vs 1) and update cadence (every 3 days vs fortnightly). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Blackjack Trainer sells 3 in-app purchases, starting at $1.99 per month and Blackjack | 21 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blackjack Trainer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Blackjack | 21 has 57 ratings behind it against 1, so its average is the more settled of the two.

Blackjack Trainer ships an update fortnightly, Blackjack | 21 every 3 days. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Blackjack Trainer | Blackjack | 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blackjack-trainer-twentyone/id6760004532/reviews)** | [4.6 (57 ratings)](https://appshunter.io/ios/app/blackjack-21/id6790571321/reviews) |
| Number of ratings | 1 | **57** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 63 MB | 19 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Ryan Herga](https://appshunter.io/developer/1880901055) | [High Roller Studios](https://appshunter.io/developer/6790571323) |

## What reviewers say

### Blackjack Trainer

[App page](https://appshunter.io/ios/app/blackjack-trainer-twentyone/id6760004532)

Master blackjack with realistic drills, structured lessons, and detailed performance tracking. Improve your decision-making and card counting skills through repetition and instant feedback. Access a comprehensive strategy chart and glossary to deepen your understanding.

**Highlights:** Realistic practice drills, Structured training modes, Performance tracking, Card counting practice, Basic strategy chart, Glossary of terms

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Annual Premium | $9.99 | per year |
| Lifetime Premium | $19.99 | 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 Trainer free?

Blackjack Trainer 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 Trainer or Blackjack | 21?

Blackjack Trainer is rated higher. Blackjack Trainer averages 5.0 out of 5 from 1 ratings, while Blackjack | 21 averages 4.6 from 57 ratings.

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

Blackjack | 21 shows ads; Blackjack Trainer does not.

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

Blackjack Trainer ships an update fortnightly, and Blackjack | 21 every 3 days. Most recently, Blackjack Trainer was updated on October 18, 2026 and Blackjack | 21 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.*