# 敏捷迭代 vs Baiyan

The clearest difference is in-app purchases: 敏捷迭代 at none against Baiyan's 2. 敏捷迭代 also leads on ads (none vs shown) and device support (3 vs 1). Baiyan's advantage is update cadence (every 5 days vs every 25 months). On price there is nothing between them.

Both are free to download. Baiyan sells 2 in-app purchases, starting at $5.99 per month. 敏捷迭代 asks for nothing beyond the download.

敏捷迭代 ships an update every 25 months, Baiyan every 5 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | 敏捷迭代 | Baiyan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 5 days** |
| Size | 16 MB | 174 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [焕文 郭](https://appshunter.io/developer/1618041787) | [江 刘](https://appshunter.io/developer/1751795247) |

## What reviewers say

### 敏捷迭代

[App page](https://appshunter.io/ios/app/id1635580577)

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

**In-app purchases:** none


### Baiyan

[App page](https://appshunter.io/ios/app/baiyan/id6504395547)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $49.99 | per year |


## Frequently asked questions

### Is 敏捷迭代 free?

敏捷迭代 is free to download, with no in-app purchases.

### Is Baiyan free?

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

### Do 敏捷迭代 or Baiyan have ads?

Baiyan shows ads; 敏捷迭代 does not.

### Which is updated more often, 敏捷迭代 or Baiyan?

敏捷迭代 ships an update every 25 months, and Baiyan every 5 days. Most recently, 敏捷迭代 was updated on October 27, 2026 and Baiyan on October 27, 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.*