# UnderCross vs Train Pro Coach

The clearest difference is update cadence: Train Pro Coach at every 3 days against UnderCross's every 3 weeks. 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.

UnderCross ships an update every 3 weeks, Train Pro Coach every 3 days. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | UnderCross | Train Pro Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 4 MB | 74 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Omer Acar](https://appshunter.io/developer/1806634161) | [BE GREEN COACHING SPOR DANISMANLIGI LIMITED SIRKETI](https://appshunter.io/developer/1868380634) |

## What reviewers say

### UnderCross

[App page](https://appshunter.io/ios/app/undercross/id6744246334)

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

**In-app purchases:** none


### Train Pro Coach

[App page](https://appshunter.io/ios/app/train-pro-coach/id6759173826)

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

**In-app purchases:** none


## Frequently asked questions

### Is UnderCross free?

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

### Is Train Pro Coach free?

Train Pro Coach is free to download, with no in-app purchases.

### Do UnderCross or Train Pro Coach have ads?

Neither UnderCross nor Train Pro Coach shows ads.

### Which is updated more often, UnderCross or Train Pro Coach?

UnderCross ships an update every 3 weeks, and Train Pro Coach every 3 days. Most recently, UnderCross was updated on October 9, 2026 and Train Pro Coach on October 11, 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.*