# TrainTT vs 陌云

The clearest difference is update cadence: TrainTT at every 3 days against 陌云's every 3 months. 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.

TrainTT ships an update every 3 days, 陌云 every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | TrainTT | 陌云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 49 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Qian Yun Network Service Co., Ltd.](https://appshunter.io/developer/1567568557) | [应操 陈](https://appshunter.io/developer/1575479428) |

## What reviewers say

### TrainTT

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 陌云

[App page](https://appshunter.io/ios/app/id1617049623)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrainTT free?

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

### Is 陌云 free?

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

### Do TrainTT or 陌云 have ads?

Neither TrainTT nor 陌云 shows ads.

### Which is updated more often, TrainTT or 陌云?

TrainTT ships an update every 3 days, and 陌云 every 3 months. Most recently, TrainTT was updated on November 3, 2026 and 陌云 on November 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.*