# 掌上北京医院 vs Thunder9

The clearest difference is iOS requirement: Thunder9 at 9.0 against 掌上北京医院's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

掌上北京医院 ships an update every 2 months, Thunder9 every 3 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 掌上北京医院 | Thunder9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (5 ratings)](https://appshunter.io/ios/app/id1371844343/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 31.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 99 MB | 32 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Hospital](https://appshunter.io/developer/1371844342) | [Suzhou Sniper Medical Technologies Co., Ltd.](https://appshunter.io/developer/1772814219) |

## What reviewers say

### 掌上北京医院

[App page](https://appshunter.io/ios/app/id1371844343)

**Features:** Vision Pro support

**In-app purchases:** none


### Thunder9

[App page](https://appshunter.io/ios/app/thunder9/id6736635873)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 掌上北京医院 free?

掌上北京医院 is free to download, with no in-app purchases.

### Is Thunder9 free?

Thunder9 is free to download, with no in-app purchases.

### Do 掌上北京医院 or Thunder9 have ads?

Neither 掌上北京医院 nor Thunder9 shows ads.

### Which is updated more often, 掌上北京医院 or Thunder9?

掌上北京医院 ships an update every 2 months, and Thunder9 every 3 months. Most recently, 掌上北京医院 was updated on October 8, 2026 and Thunder9 on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*