# CDR Viewer Reader vs ADHelper

The clearest difference is update cadence: CDR Viewer Reader at daily against ADHelper's every 2 months. CDR Viewer Reader also leads on device support (4 vs 2) and iOS requirement (12.0 vs 17.6). On price, 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.

CDR Viewer Reader ships an update daily, ADHelper every 2 months. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CDR Viewer Reader | ADHelper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | Free | — |
| Size | 34 MB | 4 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hefei Yunyilian Intelligent Technology Co., Ltd](https://appshunter.io/developer/1541792997) | [Bunrou Imanari](https://appshunter.io/developer/1749946546) |

## What reviewers say

### CDR Viewer Reader

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

Easily view and inspect CorelDRAW vector files on your iPhone or iPad. Open .cdr, .cdt, and .cmx files directly from your device without needing to upload them to a server. Share your designs as SVG, PNG, or PDF.

**Highlights:** View .cdr, .cdt, and .cmx files, Open files from Files, Mail, and cloud drives, Zoom, pan, and fit-to-page navigation, Inspect document metadata, Export pages as SVG, PNG, or PDF, Works offline

**Features:** Vision Pro support

**In-app purchases:** none


### ADHelper

[App page](https://appshunter.io/ios/app/adhelper/id6775088736)

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

**In-app purchases:** none


## Frequently asked questions

### Is CDR Viewer Reader free?

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

### Is ADHelper free?

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

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

Neither CDR Viewer Reader nor ADHelper shows ads.

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

CDR Viewer Reader ships an update daily, and ADHelper every 2 months. Most recently, CDR Viewer Reader was updated on October 31, 2026 and ADHelper on October 29, 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.*