# CamSysII vs 气压计

The clearest difference is in-app purchases: CamSysII at none against 气压计's 4. CamSysII also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. 气压计 sells 4 in-app purchases, starting at $0.99 per 7 days. CamSysII asks for nothing beyond the download.

## The numbers

| Metric | CamSysII | 气压计 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id6737332402/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 15 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alltion (Guangxi) Instrument Co., Ltd.](https://appshunter.io/developer/1483736906) | [英男 王](https://appshunter.io/developer/1773342371) |

## What reviewers say

### CamSysII

[App page](https://appshunter.io/ios/app/camsysii/id1613674998)

**Features:** macOS Compatibility

**In-app purchases:** none


### 气压计

[App page](https://appshunter.io/ios/app/id6737332402)

This app uses your phone's sensors to provide accurate real-time measurements of atmospheric pressure and altitude. It's useful for outdoor activities, weather prediction, and health monitoring.

**Highlights:** Real-time pressure data, High-accuracy altitude calculation, Automatic altitude updates, Manual altitude calibration, Weather prediction insights, Health monitoring support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $0.99 | per 7 days |
| 月会员1 | $0.99 | per month |
| 3个月会员1 | $1.99 | per 3 months |
| 年会员1 | $3.99 | per year |


## Frequently asked questions

### Is CamSysII free?

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

### Is 气压计 free?

气压计 is free to download, with in-app purchases available.

### Do CamSysII or 气压计 have ads?

气压计 shows ads; CamSysII does not.

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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.*