# DFU Plus vs CIMOS鸿书

The clearest difference is update cadence: CIMOS鸿书 at every 4 weeks against DFU Plus's every 6 months. 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.

DFU Plus ships an update every 6 months, CIMOS鸿书 every 4 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DFU Plus | CIMOS鸿书 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Size | 9 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) | [Qingdao City Brain Investment Development Co., Ltd](https://appshunter.io/developer/1531980409) |

## What reviewers say

### DFU Plus

[App page](https://appshunter.io/ios/app/dfu-plus/id1535944293)

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

**In-app purchases:** none


### CIMOS鸿书

[App page](https://appshunter.io/ios/app/cimos/id6466782104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DFU Plus free?

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

### Is CIMOS鸿书 free?

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

### Do DFU Plus or CIMOS鸿书 have ads?

Neither DFU Plus nor CIMOS鸿书 shows ads.

### Which is updated more often, DFU Plus or CIMOS鸿书?

DFU Plus ships an update every 6 months, and CIMOS鸿书 every 4 weeks. Most recently, DFU Plus was updated on September 15, 2026 and CIMOS鸿书 on September 14, 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.*