# One MST vs TH PARENT

The clearest difference is update cadence: One MST at every 2 weeks against TH PARENT's every 2 months. One MST also leads on iOS requirement (13.0 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.

One MST ships an update every 2 weeks, TH PARENT every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | One MST | TH PARENT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 120 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [XTEL SOFTWARE DEVELOPMENT AND INTEGRATED SOLUTIONS JOINT STOCK COMPANY](https://appshunter.io/developer/1380594630) | [Quang Le](https://appshunter.io/developer/1864146367) |

## What reviewers say

### One MST

[App page](https://appshunter.io/ios/app/one-mst/id1562108303)

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

**In-app purchases:** none


### TH PARENT

[App page](https://appshunter.io/ios/app/th-parent/id6737460523)

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

**In-app purchases:** none


## Frequently asked questions

### Is One MST free?

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

### Is TH PARENT free?

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

### Do One MST or TH PARENT have ads?

Neither One MST nor TH PARENT shows ads.

### Which is updated more often, One MST or TH PARENT?

One MST ships an update every 2 weeks, and TH PARENT every 2 months. Most recently, One MST was updated on October 25, 2026 and TH PARENT on October 25, 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.*