# 慧欣物联 vs Aviation Weather Decoder

The clearest difference is in-app purchases: 慧欣物联 at none against Aviation Weather Decoder's 1. 慧欣物联 also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Aviation Weather Decoder sells 1 in-app purchase, starting at $0.99 per month. 慧欣物联 asks for nothing beyond the download.

慧欣物联 ships an update every 4 days, Aviation Weather Decoder every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 慧欣物联 | Aviation Weather Decoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 58 MB | 8 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Bosi Yiyuan Technology Co., Ltd](https://appshunter.io/developer/1745248947) | [阳 何](https://appshunter.io/developer/6777476774) |

## What reviewers say

### 慧欣物联

[App page](https://appshunter.io/ios/app/id1523427962)

**In-app purchases:** none


### Aviation Weather Decoder

[App page](https://appshunter.io/ios/app/aviation-weather-decoder/id6787396332)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metar Decoder Premium | $0.99 | per month |


## Frequently asked questions

### Is 慧欣物联 free?

慧欣物联 is free to download, with no in-app purchases.

### Is Aviation Weather Decoder free?

Aviation Weather Decoder is free to download, with in-app purchases available.

### Do 慧欣物联 or Aviation Weather Decoder have ads?

Neither 慧欣物联 nor Aviation Weather Decoder shows ads.

### Which is updated more often, 慧欣物联 or Aviation Weather Decoder?

慧欣物联 ships an update every 4 days, and Aviation Weather Decoder every 2 months. Most recently, 慧欣物联 was updated on October 15, 2026 and Aviation Weather Decoder on October 24, 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.*