# Comic Book Viewer vs MOBI Reader

The clearest difference is in-app purchases: Comic Book Viewer at none against MOBI Reader's 4. MOBI Reader's advantage is update cadence (monthly vs every 3 months) and rating (4.0 vs 3.8). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. MOBI Reader sells 4 one-off in-app purchases. Comic Book Viewer asks for nothing beyond the download.

MOBI Reader holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 135 and 188 respectively. Written reviews complicate that: 71% of Comic Book Viewer's written reviews are positive against 63% of MOBI Reader's, so the app with the better star average is not the one people write more warmly about.

Comic Book Viewer ships an update every 3 months, MOBI Reader monthly. Both last shipped on November 1, 2026.

## The numbers

| Metric | Comic Book Viewer | MOBI Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (135 ratings)](https://appshunter.io/ios/app/comic-book-viewer/id957475715/reviews) | **[4.0 (188 ratings)](https://appshunter.io/ios/app/mobi-reader-reader-for-mobi-azw-azw3-prc/id1007491919/reviews)** |
| Number of ratings | 135 | **188** |
| Positive reviews | **71.0% of reviews** | 63.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 129 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sebastian Boettcher](https://appshunter.io/developer/719716635) | [LTD DevelSoftware](https://appshunter.io/developer/717594986) |

## 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


### MOBI Reader

[App page](https://appshunter.io/ios/app/mobi-reader-reader-for-mobi-azw-azw3-prc/id1007491919)

This app provides a robust reading experience for various ebook formats, including MOBI, AZW, and PRC. It offers extensive customization options for text, page display, and integrates with cloud services for easy access to your library. Enjoy a comfortable and efficient way to read your digital books.

**Highlights:** Supports MOBI, AZW, AZW3, PRC formats, Customizable text and page display options, Cloud service integration (Google Drive, Dropbox, etc.), Speech synthesizer for audio reading, Multiple page turning animations, Night mode and brightness control, Built-in file manager and web browser

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thank the Developer | $0.99 | one-time |
| Appearance Customization | $1.99 | one-time |
| Additional Formats | $3.99 | one-time |
| Pro Version | $5.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 📚 Supports various book formats
- 🔊 Text-to-speech functionality
- 💻 Works well on both iPhone and iPad

**What reviewers complain about**

- 🐛 Crashes and freezes
- 📂 Difficulty importing books
- 🔍 Unintuitive user interface
- 💰 Costly for additional features
- 🔋 High battery consumption

**Reported bugs**

- Crashes when opening certain book files
- Inability to read MOBI and AZW3 files
- Syncing issues with cloud storage providers

**Requested features**

- Dark mode option
- Improved file management
- Better support for ePub and MOBI formats
- Sleep timer for reading sessions


## Frequently asked questions

### Is Comic Book Viewer free?

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

### Is MOBI Reader free?

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

### Which has better reviews, Comic Book Viewer or MOBI Reader?

MOBI Reader is rated higher. Comic Book Viewer averages 3.8 out of 5 from 135 ratings, while MOBI Reader averages 4.0 from 188 ratings.

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

Neither Comic Book Viewer nor MOBI Reader shows ads.

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

Comic Book Viewer ships an update every 3 months, and MOBI Reader monthly. Most recently, Comic Book Viewer was updated on November 1, 2026 and MOBI Reader on November 1, 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.*