# XTools掌中宝 vs 水木知了

The clearest difference is update cadence: 水木知了 at every 9 days against XTools掌中宝's every 3 weeks. XTools掌中宝's advantage is iOS requirement (9.1 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

XTools掌中宝 ships an update every 3 weeks, 水木知了 every 9 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | XTools掌中宝 | 水木知了 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6757695678/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 34 MB | 48 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京沃力森信息技术有限公司](https://appshunter.io/developer/475621219) | [北京水木分子生物科技有限公司](https://appshunter.io/developer/1868334885) |

## What reviewers say

### XTools掌中宝

[App page](https://appshunter.io/ios/app/xtools/id591644244)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水木知了

[App page](https://appshunter.io/ios/app/id6757695678)

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

**In-app purchases:** none


## Frequently asked questions

### Is XTools掌中宝 free?

XTools掌中宝 is free to download, with no in-app purchases.

### Is 水木知了 free?

水木知了 is free to download, with no in-app purchases.

### Do XTools掌中宝 or 水木知了 have ads?

Neither XTools掌中宝 nor 水木知了 shows ads.

### Which is updated more often, XTools掌中宝 or 水木知了?

XTools掌中宝 ships an update every 3 weeks, and 水木知了 every 9 days. Most recently, XTools掌中宝 was updated on October 14, 2026 and 水木知了 on October 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.*