# Griffin Reader Pro vs Omega DC

The clearest difference is update cadence: Griffin Reader Pro at every 2 days against Omega DC's every 2 weeks. Griffin Reader Pro also leads on iOS requirement (9.0 vs 11.0). 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.

Griffin Reader Pro ships an update every 2 days, Omega DC every 2 weeks. The most recent releases landed on September 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Griffin Reader Pro | Omega DC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 93 MB | 59 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [骏 杨](https://appshunter.io/developer/1513725819) | [露露 陈](https://appshunter.io/developer/1839384771) |

## What reviewers say

### Griffin Reader Pro

[App page](https://appshunter.io/ios/app/griffin-reader-pro/id6745780058)

**Features:** macOS Compatibility

**In-app purchases:** none


### Omega DC

[App page](https://appshunter.io/ios/app/omega-dc/id6762347864)

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

**In-app purchases:** none


## Frequently asked questions

### Is Griffin Reader Pro free?

Griffin Reader Pro is free to download, with no in-app purchases.

### Is Omega DC free?

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

### Do Griffin Reader Pro or Omega DC have ads?

Neither Griffin Reader Pro nor Omega DC shows ads.

### Which is updated more often, Griffin Reader Pro or Omega DC?

Griffin Reader Pro ships an update every 2 days, and Omega DC every 2 weeks. Most recently, Griffin Reader Pro was updated on September 6, 2026 and Omega DC on September 9, 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.*