# CDR Viewer Plus vs CDR Viewer Reader

The clearest difference is update cadence: CDR Viewer Reader at daily against CDR Viewer Plus's every 4 weeks. 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.

CDR Viewer Plus ships an update every 4 weeks, CDR Viewer Reader daily. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CDR Viewer Plus | CDR Viewer Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 40 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Foshan Ourfuture Technology Co.,Ltd.](https://appshunter.io/developer/1701908513) | [Hefei Yunyilian Intelligent Technology Co., Ltd](https://appshunter.io/developer/1541792997) |

## What reviewers say

### CDR Viewer Plus

[App page](https://appshunter.io/ios/app/cdr-viewer-plus/id6748891974)

**Features:** Vision Pro support

**In-app purchases:** none


### CDR Viewer Reader

[App page](https://appshunter.io/ios/app/cdr-viewer-reader/id6772081838)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CDR Viewer Plus free?

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

### Is CDR Viewer Reader free?

CDR Viewer Reader is free to download, with no in-app purchases.

### Do CDR Viewer Plus or CDR Viewer Reader have ads?

Neither CDR Viewer Plus nor CDR Viewer Reader shows ads.

### Which is updated more often, CDR Viewer Plus or CDR Viewer Reader?

CDR Viewer Plus ships an update every 4 weeks, and CDR Viewer Reader daily. Most recently, CDR Viewer Plus was updated on September 9, 2026 and CDR Viewer Reader on September 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.*