# 分贝测试仪 vs 换换 AI 试穿

The clearest difference is iOS requirement: 分贝测试仪 at 13.0 against 换换 AI 试穿's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 分贝测试仪 sells 3 in-app purchases, starting at $9.99 per month and 换换 AI 试穿 sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

分贝测试仪 ships an update every 4 days, 换换 AI 试穿 every 3 days. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 分贝测试仪 | 换换 AI 试穿 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 7 MB | 48 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [成 武](https://appshunter.io/developer/1727617638) | [凯勃 程](https://appshunter.io/developer/6805706660) |

## What reviewers say

### 分贝测试仪

[App page](https://appshunter.io/ios/app/and/id6476977596)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | per month |
| 季度会员 | $29.99 | per 3 months |
| 年度会员 | $39.99 | per year |


### 换换 AI 试穿

[App page](https://appshunter.io/ios/app/ai/id6806276947)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 换换 AI 月度会员 | $2.99 | per month |
| 换换 AI 年度会员 | $29.99 | per year |
| 21次生成积分 | $0.99 | one-time |
| 64次生成积分 | $3.99 | one-time |
| 128次生成积分 | $7.99 | one-time |


## Frequently asked questions

### Is 分贝测试仪 free?

分贝测试仪 is free to download, with in-app purchases available.

### Is 换换 AI 试穿 free?

换换 AI 试穿 is free to download, with in-app purchases available.

### Do 分贝测试仪 or 换换 AI 试穿 have ads?

Neither 分贝测试仪 nor 换换 AI 试穿 shows ads.

### Which is updated more often, 分贝测试仪 or 换换 AI 试穿?

分贝测试仪 ships an update every 4 days, and 换换 AI 试穿 every 3 days. Most recently, 分贝测试仪 was updated on September 11, 2026 and 换换 AI 试穿 on September 19, 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.*