# CDAIS vs 安装工具

The clearest difference is update cadence: CDAIS at every 5 weeks against 安装工具's every 3 months. CDAIS also leads on iOS requirement (10.0 vs 13.0). 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.

CDAIS ships an update every 5 weeks, 安装工具 every 3 months. The most recent releases landed on September 17, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | CDAIS | 安装工具 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 20 MB | 122 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Continental Holding China Co., Ltd.](https://appshunter.io/developer/1625852531) | [成都路行通信息技术有限公司](https://appshunter.io/developer/592324445) |

## What reviewers say

### CDAIS

[App page](https://appshunter.io/ios/app/cdais/id1625852529)

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

**In-app purchases:** none


### 安装工具

[App page](https://appshunter.io/ios/app/id6670526405)

**In-app purchases:** none


## Frequently asked questions

### Is CDAIS free?

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

### Is 安装工具 free?

安装工具 is free to download, with no in-app purchases.

### Do CDAIS or 安装工具 have ads?

Neither CDAIS nor 安装工具 shows ads.

### Which is updated more often, CDAIS or 安装工具?

CDAIS ships an update every 5 weeks, and 安装工具 every 3 months. Most recently, CDAIS was updated on September 17, 2026 and 安装工具 on August 21, 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.*