# TrainTT vs 首信App

TrainTT and 首信App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | TrainTT | 首信App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Size | 49 MB | 78 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) | [Guangzhou Huashi Network Technology Co., Ltd](https://appshunter.io/developer/1625836908) |

## What reviewers say

### TrainTT

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 首信App

[App page](https://appshunter.io/ios/app/app/id1625836906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrainTT free?

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

### Is 首信App free?

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

### Do TrainTT or 首信App have ads?

Neither TrainTT nor 首信App shows ads.

### Which is updated more often, TrainTT or 首信App?

TrainTT ships an update every 3 days, and 首信App every 3 days. Most recently, TrainTT was updated on October 1, 2026 and 首信App 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.*