# XTools掌中宝 vs 恒等式

The clearest difference is iOS requirement: XTools掌中宝 at 9.1 against 恒等式's 13.0. On price, update cadence, ads and in-app purchases 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, 恒等式 fortnightly. The most recent releases landed on September 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | XTools掌中宝 | 恒等式 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 34 MB | 90 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京沃力森信息技术有限公司](https://appshunter.io/developer/475621219) | [Keshun Waterproof Technologies Co.,Ltd](https://appshunter.io/developer/1615344877) |

## What reviewers say

### XTools掌中宝

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 恒等式

[App page](https://appshunter.io/ios/app/id6447490134)

**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 恒等式 free?

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

### Do XTools掌中宝 or 恒等式 have ads?

Neither XTools掌中宝 nor 恒等式 shows ads.

### Which is updated more often, XTools掌中宝 or 恒等式?

XTools掌中宝 ships an update every 3 weeks, and 恒等式 fortnightly. Most recently, XTools掌中宝 was updated on September 10, 2026 and 恒等式 on September 30, 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.*