# 律范健身 vs DuckBell

The clearest difference is update cadence: DuckBell at every 4 days against 律范健身's every 3 weeks. 律范健身's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

律范健身 ships an update every 3 weeks, DuckBell every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 律范健身 | DuckBell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 374 MB | 27 MB |
| Requires iOS | **14.0** | 14.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [荣晖 丁](https://appshunter.io/developer/1455797103) | [Shanghai Cinnamon Roll Tech Ltd.](https://appshunter.io/developer/1775865646) |

## What reviewers say

### 律范健身

[App page](https://appshunter.io/ios/app/id1521111905)

**Features:** Apple Watch app

**In-app purchases:** none


### DuckBell

[App page](https://appshunter.io/ios/app/duckbell/id6479960885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 律范健身 free?

律范健身 is free to download, with no in-app purchases.

### Is DuckBell free?

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

### Do 律范健身 or DuckBell have ads?

Neither 律范健身 nor DuckBell shows ads.

### Which is updated more often, 律范健身 or DuckBell?

律范健身 ships an update every 3 weeks, and DuckBell every 4 days. Most recently, 律范健身 was updated on November 3, 2026 and DuckBell on November 4, 2026.

---

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