# eROD vs 動康評

The clearest difference is in-app purchases: eROD at none against 動康評's 1. eROD also leads on iOS requirement (13.0 vs 17). 動康評's advantage is update cadence (every 3 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. 動康評 sells 1 in-app purchase, starting at $24.99 per month. eROD asks for nothing beyond the download.

eROD ships an update fortnightly, 動康評 every 3 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | eROD | 動康評 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 67 MB | 63 MB |
| Requires iOS | **13.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Yidai Yibang (Shenzhen) Health Biotechnology Co., Ltd](https://appshunter.io/developer/1790107302) | [維特魯威運動科技股份有限公司](https://appshunter.io/developer/1891889461) |

## What reviewers say

### eROD

[App page](https://appshunter.io/ios/app/erod/id6742727981)

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

**In-app purchases:** none


### 動康評

[App page](https://appshunter.io/ios/app/ai/id6761872784)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 訂閱模式 | $24.99 | per month |


## Frequently asked questions

### Is eROD free?

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

### Is 動康評 free?

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

### Do eROD or 動康評 have ads?

Neither eROD nor 動康評 shows ads.

### Which is updated more often, eROD or 動康評?

eROD ships an update fortnightly, and 動康評 every 3 days. Most recently, eROD was updated on September 8, 2026 and 動康評 on September 22, 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.*