# DocReader vs OpenViewer

The clearest difference is ads: DocReader at none against OpenViewer's shown. DocReader also leads on update cadence (every 3 weeks vs every 2 months). 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.

DocReader ships an update every 3 weeks, OpenViewer every 2 months. The most recent releases landed on October 22, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DocReader | OpenViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/docreaderpdfebooktextospeech/id6763090864/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 124 MB | 41 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emmanuel Adooli](https://appshunter.io/developer/1654673386) | [BongJun Park](https://appshunter.io/developer/1887269135) |

## What reviewers say

### DocReader

[App page](https://appshunter.io/ios/app/docreaderpdfebooktextospeech/id6763090864)

This app allows you to read PDFs and EPUBs offline, with a text-to-speech feature that reads content aloud. It offers customizable reading settings and supports various file formats, keeping your library local.

**Highlights:** Offline PDF and EPUB reading, Text-to-speech with highlighting, Customizable reading comfort settings, Local library management, Support for various file formats, On-device OCR for scanned PDFs

**Features:** Vision Pro support

**In-app purchases:** none


### OpenViewer

[App page](https://appshunter.io/ios/app/openviewer/id6763845346)

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

**In-app purchases:** none


## Frequently asked questions

### Is DocReader free?

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

### Is OpenViewer free?

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

### Do DocReader or OpenViewer have ads?

OpenViewer shows ads; DocReader does not.

### Which is updated more often, DocReader or OpenViewer?

DocReader ships an update every 3 weeks, and OpenViewer every 2 months. Most recently, DocReader was updated on October 22, 2026 and OpenViewer on October 2, 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.*