# CloudLabs Blackjack vs Blackjack Mastery 21 Trainer

The clearest difference is in-app purchases: CloudLabs Blackjack at none against Blackjack Mastery 21 Trainer's 4. CloudLabs Blackjack also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 weeks). On price and device support 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. CloudLabs Blackjack asks for nothing beyond the download.

CloudLabs Blackjack ships an update every 10 days, Blackjack Mastery 21 Trainer every 3 weeks. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CloudLabs Blackjack | Blackjack Mastery 21 Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 78 MB | 44 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Anton Terekhov](https://appshunter.io/developer/1778000768) |

## What reviewers say

### CloudLabs Blackjack

[App page](https://appshunter.io/ios/app/cloudlabs-blackjack/id1638193591)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CloudLabs Blackjack free?

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

### Is Blackjack Mastery 21 Trainer free?

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

### Do CloudLabs Blackjack or Blackjack Mastery 21 Trainer have ads?

Blackjack Mastery 21 Trainer shows ads; CloudLabs Blackjack does not.

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

CloudLabs Blackjack ships an update every 10 days, and Blackjack Mastery 21 Trainer every 3 weeks. Most recently, CloudLabs Blackjack was updated on October 27, 2026 and Blackjack Mastery 21 Trainer on October 11, 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.*