# 羽毛球裁判员 vs FeatherStep

The clearest difference is in-app purchases: 羽毛球裁判员 at none against FeatherStep's 1. 羽毛球裁判员 also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.0). FeatherStep's advantage is update cadence (weekly vs monthly). On price and device support there is nothing between them.

Both are free to download. FeatherStep sells 1 in-app purchase, starting at $3.99 per month. 羽毛球裁判员 asks for nothing beyond the download.

羽毛球裁判员 ships an update monthly, FeatherStep weekly. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 羽毛球裁判员 | FeatherStep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Size | 47 MB | 113 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shandong Ruisu Information Technology Co., Ltd.](https://appshunter.io/developer/1329296045) | [Longhong Chiang](https://appshunter.io/developer/1698889494) |

## What reviewers say

### 羽毛球裁判员

[App page](https://appshunter.io/ios/app/id1329296046)

**Features:** macOS Compatibility

**In-app purchases:** none


### FeatherStep

[App page](https://appshunter.io/ios/app/featherstep/id6452396712)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Ad-Free | $3.99 | per month |


## Frequently asked questions

### Is 羽毛球裁判员 free?

羽毛球裁判员 is free to download, with no in-app purchases.

### Is FeatherStep free?

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

### Do 羽毛球裁判员 or FeatherStep have ads?

FeatherStep shows ads; 羽毛球裁判员 does not.

### Which is updated more often, 羽毛球裁判员 or FeatherStep?

羽毛球裁判员 ships an update monthly, and FeatherStep weekly. Most recently, 羽毛球裁判员 was updated on October 12, 2026 and FeatherStep on October 2, 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.*