# TrainTT vs H同学

The clearest difference is update cadence: TrainTT at every 3 days against H同学's every 3 months. TrainTT also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

TrainTT ships an update every 3 days, H同学 every 3 months. The most recent releases landed on September 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TrainTT | H同学 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 49 MB | 71 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [Qian Yun Network Service Co., Ltd.](https://appshunter.io/developer/1567568557) | [Shandong Huaxia Liangzi Health Management Co., Ltd](https://appshunter.io/developer/1038340311) |

## What reviewers say

### TrainTT

[App page](https://appshunter.io/ios/app/traintt/id1597479690)

**Features:** macOS Compatibility

**In-app purchases:** none


### H同学

[App page](https://appshunter.io/ios/app/h/id6504996600)

**In-app purchases:** none


## Frequently asked questions

### Is TrainTT free?

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

### Is H同学 free?

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

### Which is updated more often, TrainTT or H同学?

TrainTT ships an update every 3 days, and H同学 every 3 months. Most recently, TrainTT was updated on September 14, 2026 and H同学 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.*