# WorkDeutsch vs Performance Engineer Trainer

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

Both are free to download. WorkDeutsch sells 2 in-app purchases, starting at $11.99 per month. Performance Engineer Trainer asks for nothing beyond the download.

WorkDeutsch ships an update every 6 days, Performance Engineer Trainer every 4 days. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | WorkDeutsch | Performance Engineer Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 83 MB | 4 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Dilara Demir Caglar](https://appshunter.io/developer/1854478574) | [Kirill Kalistratov](https://appshunter.io/developer/1888794382) |

## What reviewers say

### WorkDeutsch

[App page](https://appshunter.io/ios/app/workdeutsch-german-for-work/id6760316267)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $11.99 | per month |
| Pro Jährlich | $49.99 | per year |


### Performance Engineer Trainer

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WorkDeutsch free?

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

### Is Performance Engineer Trainer free?

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

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

WorkDeutsch shows ads; Performance Engineer Trainer does not.

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

WorkDeutsch ships an update every 6 days, and Performance Engineer Trainer every 4 days. Most recently, WorkDeutsch was updated on October 12, 2026 and Performance Engineer Trainer on September 29, 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.*