# Thanyarak ศูนย์ถันยรักษ์ vs Check PD

The clearest difference is update cadence: Check PD at every 2 weeks against Thanyarak ศูนย์ถันยรักษ์'s every 5 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.

Thanyarak ศูนย์ถันยรักษ์ ships an update every 5 weeks, Check PD every 2 weeks. The most recent releases landed on July 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Thanyarak ศูนย์ถันยรักษ์ | Check PD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 47 MB | 92 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [BREAST FOUNDATION UNDER THE PATRONAGE OF HER ROYAL](https://appshunter.io/developer/1629888349) | [The Thai Red Cross Society](https://appshunter.io/developer/1481812826) |

## What reviewers say

### Thanyarak ศูนย์ถันยรักษ์

[App page](https://appshunter.io/ios/app/thanyarak/id1629888347)

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

**In-app purchases:** none


### Check PD

[App page](https://appshunter.io/ios/app/check-pd/id6479968872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thanyarak ศูนย์ถันยรักษ์ free?

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

### Is Check PD free?

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

### Do Thanyarak ศูนย์ถันยรักษ์ or Check PD have ads?

Neither Thanyarak ศูนย์ถันยรักษ์ nor Check PD shows ads.

### Which is updated more often, Thanyarak ศูนย์ถันยรักษ์ or Check PD?

Thanyarak ศูนย์ถันยรักษ์ ships an update every 5 weeks, and Check PD every 2 weeks. Most recently, Thanyarak ศูนย์ถันยรักษ์ was updated on July 10, 2026 and Check PD on September 18, 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.*