# Chess 3D Pro Trainer vs Crown Masters

The clearest difference is in-app purchases: Chess 3D Pro Trainer at none against Crown Masters's 3. Chess 3D Pro Trainer also leads on update cadence (every 5 days vs every 10 days) and iOS requirement (13.0 vs 15.0). Crown Masters's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Crown Masters sells 3 one-off in-app purchases. Chess 3D Pro Trainer asks for nothing beyond the download.

Chess 3D Pro Trainer ships an update every 5 days, Crown Masters every 10 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Chess 3D Pro Trainer | Crown Masters |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 43 MB | 197 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [famobi](https://appshunter.io/developer/933760663) | [HYPERLINK INFOSYSTEM INC.](https://appshunter.io/developer/1790870293) |

## What reviewers say

### Chess 3D Pro Trainer

[App page](https://appshunter.io/ios/app/chess-3d-pro-trainer/id6740913562)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crown Masters

[App page](https://appshunter.io/ios/app/crown-masters-chess-3d/id6791593082)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small | $0.99 | one-time |
| Medium | $1.49 | one-time |
| Large | $1.99 | one-time |


## Frequently asked questions

### Is Chess 3D Pro Trainer free?

Chess 3D Pro Trainer is free to download, with no in-app purchases.

### Is Crown Masters free?

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

### Do Chess 3D Pro Trainer or Crown Masters have ads?

Chess 3D Pro Trainer shows ads; Crown Masters does not.

### Which is updated more often, Chess 3D Pro Trainer or Crown Masters?

Chess 3D Pro Trainer ships an update every 5 days, and Crown Masters every 10 days. Most recently, Chess 3D Pro Trainer was updated on October 25, 2026 and Crown Masters on October 7, 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.*