# TrainTT vs One Play

The clearest difference is update cadence: TrainTT at every 3 days against One Play's every 2 weeks. TrainTT also leads on iOS requirement (12.0 vs 15.0). 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, One Play every 2 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TrainTT | One Play |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 49 MB | 36 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Qian Yun Network Service Co., Ltd.](https://appshunter.io/developer/1567568557) | [Zhefu Fang](https://appshunter.io/developer/1136578296) |

## What reviewers say

### TrainTT

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

**Features:** macOS Compatibility

**In-app purchases:** none


### One Play

[App page](https://appshunter.io/ios/app/one-play/id6670383508)

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

**In-app purchases:** none


## Frequently asked questions

### Is TrainTT free?

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

### Is One Play free?

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

### Do TrainTT or One Play have ads?

Neither TrainTT nor One Play shows ads.

### Which is updated more often, TrainTT or One Play?

TrainTT ships an update every 3 days, and One Play every 2 weeks. Most recently, TrainTT was updated on October 1, 2026 and One Play on October 5, 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.*