# Performance Engineer Trainer vs Gambit

The clearest difference is in-app purchases: Performance Engineer Trainer at none against Gambit's 2. Performance Engineer Trainer also leads on iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Gambit sells 2 in-app purchases, starting at $6.99 per month. Performance Engineer Trainer asks for nothing beyond the download.

## The numbers

| Metric | Performance Engineer Trainer | Gambit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 4 MB | 68 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kirill Kalistratov](https://appshunter.io/developer/1888794382) | [Jack Cornet Paterson](https://appshunter.io/developer/1696442629) |

## What reviewers say

### Performance Engineer Trainer

[App page](https://appshunter.io/ios/app/performance-engineer-trainer/id6761308281)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gambit

[App page](https://appshunter.io/ios/app/gambit-chess-analysis/id6778765225)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Performance Engineer Trainer free?

Performance Engineer Trainer is free to download, with no in-app purchases.

### Is Gambit free?

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

### Do Performance Engineer Trainer or Gambit have ads?

Neither Performance Engineer Trainer nor Gambit shows ads.

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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.*