# Wunder vs Common Reader

The clearest difference is iOS requirement: Wunder at 16.0 against Common Reader's 26.0. On price, update cadence, 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.

Wunder ships an update every 3 days, Common Reader every 2 days. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Wunder | Common Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/common-reader/id6770067434/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 219 MB | 107 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [国城 林](https://appshunter.io/developer/1839670511) | [天宇 高](https://appshunter.io/developer/1851416147) |

## What reviewers say

### Wunder

[App page](https://appshunter.io/ios/app/wunder-3d-bookshelf-reader/id6761174770)

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

**In-app purchases:** none


### Common Reader

[App page](https://appshunter.io/ios/app/common-reader/id6770067434)

This app offers a unified reading and AI-powered analysis experience for various ebook formats. It allows users to ask questions about book content, automatically organize their library, and sync across multiple devices. Privacy is a core focus, with no proactive data collection.

**Highlights:** Supports multiple ebook formats (epub, azw3, mobi, txt, md, pdf), AI-powered questions about book content, Automatic library organization with generative AI, Cloud sync (iCloud, OneDrive, WebDAV), Fast full-library search, Unified cross-platform interface

**In-app purchases:** none


## Frequently asked questions

### Is Wunder free?

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

### Is Common Reader free?

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

### Do Wunder or Common Reader have ads?

Neither Wunder nor Common Reader shows ads.

### Which is updated more often, Wunder or Common Reader?

Wunder ships an update every 3 days, and Common Reader every 2 days. Most recently, Wunder was updated on September 25, 2026 and Common Reader on September 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.*