# XTools掌中宝 vs 问天AI研究助手

The clearest difference is device support: XTools掌中宝 at 3 against 问天AI研究助手's —. XTools掌中宝 also leads on iOS requirement (9.1 vs 12.0). On price 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.

## The numbers

| Metric | XTools掌中宝 | 问天AI研究助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 34 MB | 41 MB |
| Requires iOS | **9.1** | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [北京沃力森信息技术有限公司](https://appshunter.io/developer/475621219) | [Hang'aishan (Hangzhou) Artificial Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1823824055) |

## What reviewers say

### XTools掌中宝

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 问天AI研究助手

[App page](https://appshunter.io/ios/app/ai/id6748516090)

**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 问天AI研究助手 free?

问天AI研究助手 is free to download, with no in-app purchases.

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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.*