# 试管百科 vs 压缩解压大师

The clearest difference is in-app purchases: 试管百科 at none against 压缩解压大师's 3. 压缩解压大师's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 压缩解压大师 sells 3 in-app purchases, starting at $3.99 per 7 days. 试管百科 asks for nothing beyond the download.

试管百科 ships an update every 3 weeks, 压缩解压大师 every 5 days. The most recent releases landed on December 20, 2025 and May 17, 2026 respectively.

## The numbers

| Metric | 试管百科 | 压缩解压大师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 44 MB | 15 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Mantang Tianxia Network Technology Co., Ltd.](https://appshunter.io/developer/1576061027) | [滟镁 杨](https://appshunter.io/developer/1681249601) |

## What reviewers say

### 试管百科

[App page](https://appshunter.io/ios/app/id1641664209)

**Features:** macOS Compatibility

**In-app purchases:** none


### 压缩解压大师

[App page](https://appshunter.io/ios/app/and/id6449088213)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解压大师周会员 | $3.99 | per 7 days |
| 解压大师月会员 | $6.99 | per month |
| 解压大师年会员 | $19.99 | per year |


## Frequently asked questions

### Is 试管百科 free?

试管百科 is free to download, with no in-app purchases.

### Is 压缩解压大师 free?

压缩解压大师 is free to download, with in-app purchases available.

### Do 试管百科 or 压缩解压大师 have ads?

Neither 试管百科 nor 压缩解压大师 shows ads.

### Which is updated more often, 试管百科 or 压缩解压大师?

试管百科 ships an update every 3 weeks, and 压缩解压大师 every 5 days. Most recently, 试管百科 was updated on December 20, 2025 and 压缩解压大师 on May 17, 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.*