# Performance Engineer Trainer vs Mobile Tester

The clearest difference is update cadence: Performance Engineer Trainer at every 4 days against Mobile Tester's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Performance Engineer Trainer ships an update every 4 days, Mobile Tester monthly. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Performance Engineer Trainer | Mobile Tester |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 4 MB | 42 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Kirill Kalistratov](https://appshunter.io/developer/1888794382) | [Vladislav Kazachek](https://appshunter.io/developer/1858614236) |

## What reviewers say

### Performance Engineer Trainer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Mobile Tester

[App page](https://appshunter.io/ios/app/mobile-tester/id6762525874)

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

**In-app purchases:** none


## Frequently asked questions

### Is Performance Engineer Trainer free?

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

### Is Mobile Tester free?

Mobile Tester is free to download, with no in-app purchases.

### Do Performance Engineer Trainer or Mobile Tester have ads?

Neither Performance Engineer Trainer nor Mobile Tester shows ads.

### Which is updated more often, Performance Engineer Trainer or Mobile Tester?

Performance Engineer Trainer ships an update every 4 days, and Mobile Tester monthly. Most recently, Performance Engineer Trainer was updated on September 29, 2026 and Mobile Tester on October 9, 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.*