# Ironsyl vs 律动跑

Ironsyl and 律动跑 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Ironsyl ships an update every 5 weeks, 律动跑 every 6 weeks. The most recent releases landed on October 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Ironsyl | 律动跑 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 7 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [晓 郭](https://appshunter.io/developer/1895645928) | [康 陆](https://appshunter.io/developer/1889797709) |

## What reviewers say

### Ironsyl

[App page](https://appshunter.io/ios/app/ironsyl-workout-beat-timer/id6764770289)

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

**In-app purchases:** none


### 律动跑

[App page](https://appshunter.io/ios/app/id6777449532)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ironsyl free?

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

### Is 律动跑 free?

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

### Do Ironsyl or 律动跑 have ads?

Neither Ironsyl nor 律动跑 shows ads.

### Which is updated more often, Ironsyl or 律动跑?

Ironsyl ships an update every 5 weeks, and 律动跑 every 6 weeks. Most recently, Ironsyl was updated on October 25, 2026 and 律动跑 on September 28, 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.*