# 蝉鸣 vs TrainTT

The clearest difference is update cadence: TrainTT at every 3 days against 蝉鸣's every 2 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.

蝉鸣 ships an update every 2 weeks, TrainTT every 3 days. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 蝉鸣 | TrainTT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 104 MB | 49 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cicadasing Technology LLC](https://appshunter.io/developer/1531986177) | [Qian Yun Network Service Co., Ltd.](https://appshunter.io/developer/1567568557) |

## What reviewers say

### 蝉鸣

[App page](https://appshunter.io/ios/app/id1531986175)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrainTT

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 蝉鸣 free?

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

### Is TrainTT free?

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

### Do 蝉鸣 or TrainTT have ads?

Neither 蝉鸣 nor TrainTT shows ads.

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

蝉鸣 ships an update every 2 weeks, and TrainTT every 3 days. Most recently, 蝉鸣 was updated on September 18, 2026 and TrainTT on September 14, 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.*