# CungThinhVuong vs Rx20

The clearest difference is update cadence: Rx20 at every 3 weeks against CungThinhVuong's every 2 months. 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.

CungThinhVuong ships an update every 2 months, Rx20 every 3 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CungThinhVuong | Rx20 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 164 MB | 30 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Công ty Cổ phần Dược Hậu Giang](https://appshunter.io/developer/1236752345) | [Xuan Duc Tran](https://appshunter.io/developer/1659171336) |

## What reviewers say

### CungThinhVuong

[App page](https://appshunter.io/ios/app/cungthinhvuong/id1240655327)

This application provides customer support for DHG Pharma. It offers assistance and information related to their products and services.

**Highlights:** Customer support, DHG Pharma assistance, Product information, Service inquiries

**Features:** macOS Compatibility

**In-app purchases:** none


### Rx20

[App page](https://appshunter.io/ios/app/rx20/id1659171334)

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

**In-app purchases:** none


## Frequently asked questions

### Is CungThinhVuong free?

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

### Is Rx20 free?

Rx20 is free to download, with no in-app purchases.

### Do CungThinhVuong or Rx20 have ads?

Neither CungThinhVuong nor Rx20 shows ads.

### Which is updated more often, CungThinhVuong or Rx20?

CungThinhVuong ships an update every 2 months, and Rx20 every 3 weeks. Most recently, CungThinhVuong was updated on October 3, 2026 and Rx20 on October 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.*