# Comic Book Viewer vs Reader King

The clearest difference is in-app purchases: Comic Book Viewer at none against Reader King's 1. Comic Book Viewer also leads on iOS requirement (15.6 vs 18.6). Reader King's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Reader King sells 1 one-off in-app purchase. Comic Book Viewer asks for nothing beyond the download.

Comic Book Viewer ships an update every 3 months, Reader King every 4 weeks. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Comic Book Viewer | Reader King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (135 ratings)](https://appshunter.io/ios/app/comic-book-viewer/id957475715/reviews)** | — |
| Number of ratings | **135** | — |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 6 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Boettcher](https://appshunter.io/developer/719716635) | [lecoo](https://appshunter.io/developer/1630534948) |

## What reviewers say

### Comic Book Viewer

[App page](https://appshunter.io/ios/app/comic-book-viewer/id957475715)

A fast and user-friendly application for viewing digital comic books and PDF files. It supports various comic archive formats and common image types, offering library management and metadata display.

**Highlights:** Supports CBT, CBZ, CBR, CB7, and PDF formats, Recognizes PNG, JPG, GIF, TIFF, BMP, and WebP images, Import/export comics via iTunes or third-party apps, AirDrop support for sharing between devices, Displays metadata (CoMet, ACBF, Comic Rack, ComicBookInfo), Library search functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Fast and responsive
- 🔒 No ads or data collection
- 🔒 Lightweight and efficient

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Lack of advanced organization and management features
- 🔍 Limited customization options
- 🔍 Issues with page scrolling and zooming

**Reported bugs**

- Slider not working after recent update
- Pages randomly skipping ahead when switching orientation
- Inability to import some comic file formats

**Requested features**

- Add ability to rename/reorder comics
- Implement vertical scrolling mode
- Provide more customization settings
- Improve library management with folders/collections


### Reader King

[App page](https://appshunter.io/ios/app/reader-king/id6785942008)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reader King Enhanced | $0.99 | one-time |


## Frequently asked questions

### Is Comic Book Viewer free?

Comic Book Viewer is free to download, with no in-app purchases.

### Is Reader King free?

Reader King is free to download, with in-app purchases available.

### Do Comic Book Viewer or Reader King have ads?

Neither Comic Book Viewer nor Reader King shows ads.

### Which is updated more often, Comic Book Viewer or Reader King?

Comic Book Viewer ships an update every 3 months, and Reader King every 4 weeks. Most recently, Comic Book Viewer was updated on October 13, 2026 and Reader King 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.*