# 铁运素质提升 vs 海伦司音乐

The clearest difference is iOS requirement: 铁运素质提升 at 9.0 against 海伦司音乐's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

铁运素质提升 ships an update every 5 days, 海伦司音乐 every 8 days. The most recent releases landed on October 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 铁运素质提升 | 海伦司音乐 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Size | 83 MB | 45 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [明海 徐](https://appshunter.io/developer/1528272191) | [深圳海伦司企业管理有限公司](https://appshunter.io/developer/1761719505) |

## What reviewers say

### 铁运素质提升

[App page](https://appshunter.io/ios/app/id1612762498)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海伦司音乐

[App page](https://appshunter.io/ios/app/id6499568692)

**In-app purchases:** none


## Frequently asked questions

### Is 铁运素质提升 free?

铁运素质提升 is free to download, with no in-app purchases.

### Is 海伦司音乐 free?

海伦司音乐 is free to download, with no in-app purchases.

### Do 铁运素质提升 or 海伦司音乐 have ads?

Neither 铁运素质提升 nor 海伦司音乐 shows ads.

### Which is updated more often, 铁运素质提升 or 海伦司音乐?

铁运素质提升 ships an update every 5 days, and 海伦司音乐 every 8 days. Most recently, 铁运素质提升 was updated on October 25, 2026 and 海伦司音乐 on October 1, 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.*