# 数字计数器：次数统计追踪打卡记录 vs Aviation Weather Decoder

The clearest difference is in-app purchases: 数字计数器：次数统计追踪打卡记录 at none against Aviation Weather Decoder's 1. 数字计数器：次数统计追踪打卡记录 also leads on iOS requirement (15.6 vs 17.0). Aviation Weather Decoder's advantage is ads (none vs shown). On price 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. 数字计数器：次数统计追踪打卡记录 asks for nothing beyond the download.

## The numbers

| Metric | 数字计数器：次数统计追踪打卡记录 | Aviation Weather Decoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 4 weeks |
| Size | 14 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [阳 何](https://appshunter.io/developer/6777476774) |

## What reviewers say

### 数字计数器：次数统计追踪打卡记录

[App page](https://appshunter.io/ios/app/id6748102451)

**Features:** macOS Compatibility

**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 数字计数器：次数统计追踪打卡记录 free?

数字计数器：次数统计追踪打卡记录 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 数字计数器：次数统计追踪打卡记录 or Aviation Weather Decoder have ads?

数字计数器：次数统计追踪打卡记录 shows ads; Aviation Weather Decoder does not.

---

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