# ProSana Training vs erneu

The clearest difference is in-app purchases: ProSana Training at none against erneu's 2. ProSana Training also leads on iOS requirement (15.0 vs 18.6). erneu's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. erneu sells 2 in-app purchases, starting at $0.99 per 3 months. ProSana Training asks for nothing beyond the download.

ProSana Training ships an update every 8 months, erneu every 2 weeks. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ProSana Training | erneu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Size | 175 MB | 3 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [ProSana Fitness Uberlingen GmbH & Co. KG](https://appshunter.io/developer/1524623514) | [Claudius Peter](https://appshunter.io/developer/1881712855) |

## What reviewers say

### ProSana Training

[App page](https://appshunter.io/ios/app/prosana-training/id1524623512)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### erneu

[App page](https://appshunter.io/ios/app/erneu/id6761536740)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| erneu Quarterly | $0.99 | per 3 months |
| erneu Annual | $2.99 | per year |


## Frequently asked questions

### Is ProSana Training free?

ProSana Training is free to download, with no in-app purchases.

### Is erneu free?

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

### Do ProSana Training or erneu have ads?

Neither ProSana Training nor erneu shows ads.

### Which is updated more often, ProSana Training or erneu?

ProSana Training ships an update every 8 months, and erneu every 2 weeks. Most recently, ProSana Training was updated on September 29, 2026 and erneu on October 3, 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.*