# Blackjack Mastery 21 Trainer vs Blackjack Drill Trainer

The clearest difference is in-app purchases: Blackjack Drill Trainer at none against Blackjack Mastery 21 Trainer's 4. Blackjack Mastery 21 Trainer's advantage is device support and iOS requirement (15.1 vs 17.0). On price there is nothing between them.

Both are free to download. Blackjack Mastery 21 Trainer sells 4 in-app purchases, starting at $9.99 per month. Blackjack Drill Trainer asks for nothing beyond the download.

## The numbers

| Metric | Blackjack Mastery 21 Trainer | Blackjack Drill Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Size | 44 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Anton Terekhov](https://appshunter.io/developer/1778000768) | [Sarah Khosravani](https://appshunter.io/developer/1896519294) |

## What reviewers say

### Blackjack Mastery 21 Trainer

[App page](https://appshunter.io/ios/app/blackjack-mastery-21-trainer/id6744902920)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $9.99 | per month |
| Premium Access | $39.99 | per year |
| Premium Access | $39.99 | per year |
| Premium Access | $99.99 | one-time |


### Blackjack Drill Trainer

[App page](https://appshunter.io/ios/app/blackjack-drill-trainer/id6770143204)

**In-app purchases:** none


## Frequently asked questions

### Is Blackjack Mastery 21 Trainer free?

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

### Is Blackjack Drill Trainer free?

Blackjack Drill Trainer is free to download, with no in-app purchases.

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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.*