# Blubb Reader vs Duo Reader

The clearest difference is ads: Blubb Reader at none against Duo Reader's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Blubb Reader | Duo Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Size | 215 MB | 92 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chuanjie Duanmu](https://appshunter.io/developer/1889420662) | [LeoStudio Global](https://appshunter.io/developer/1700204948) |

## What reviewers say

### Blubb Reader

[App page](https://appshunter.io/ios/app/blubb-reader/id6797550100)

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

**In-app purchases:** none


### Duo Reader

[App page](https://appshunter.io/ios/app/duo-reader/id6815597778)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blubb Reader free?

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

### Is Duo Reader free?

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

### Do Blubb Reader or Duo Reader have ads?

Duo Reader shows ads; Blubb Reader does not.

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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.*