# Comic Book Viewer vs Interchange

The clearest difference is in-app purchases: Comic Book Viewer at none against Interchange's 10. Interchange's advantage is rating (4.3 vs 3.8) and update cadence (every 6 days vs every 3 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Interchange sells 9 in-app purchases, starting at $2.49 per month. Comic Book Viewer asks for nothing beyond the download.

Interchange holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 135 and 212 respectively. Written reviews point the same way: 71% of Comic Book Viewer's written reviews are positive against 73% of Interchange's.

Comic Book Viewer ships an update every 3 months, Interchange every 6 days. Both last shipped on October 26, 2026.

## The numbers

| Metric | Comic Book Viewer | Interchange |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (135 ratings)](https://appshunter.io/ios/app/comic-book-viewer/id957475715/reviews) | **[4.3 (212 ratings)](https://appshunter.io/ios/app/interchange-ebook-converter/id1198053063/reviews)** |
| Number of ratings | 135 | **212** |
| Positive reviews | 71.0% of reviews | **73.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | **Free** | Subscription |
| Size | 8 MB | 103 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sebastian Boettcher](https://appshunter.io/developer/719716635) | [小龙 刘](https://appshunter.io/developer/1171012527) |

## 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


### Interchange

[App page](https://appshunter.io/ios/app/interchange-ebook-converter/id1198053063)

Convert and read a wide variety of ebook formats, including DRM-protected files. Offers extensive customization for reading, note-taking, and book management. Supports multiple import methods and file decompression.

**Highlights:** Multiple ebook format conversion, DRM removal for Kindle books, Customizable ebook reader layout, Note-taking and bookmarking, Customizable book covers, Multiple page-turning methods, Comic reading support, Advanced book management

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UNLOCK ALL FEATURES, REMOVE AD | $2.49 | per month |
| UNLOCK ALL FEATURES, REMOVE AD | $4.99 | per year |
| REMOVE ALL ADS | $1.99 | one-time |
| Conversions+50 | $1.99 | one-time |
| All formats | $1.99 | one-time |
| Conversions+600 | $2.99 | one-time |
| Conversions+1000 | $3.99 | one-time |
| ALL ACCESS, REMOVING AD | $9.99 | one-time |
| All advanced features | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and quick conversion speeds
- 👍 Easy to use interface
- 📁 Supports multiple file formats
- 💰 Free version available
- 📧 Can send files to Kindle

**What reviewers complain about**

- 🐛 Frequent app crashes and crashes on cover changes
- 😤 Intrusive and excessive advertising
- ❌ Poor conversion quality for PDFs
- 🔤 Confusing and non-intuitive UI
- 🌐 Inconsistent English localization

**Reported bugs**

- App crashes when changing covers
- Ad close buttons are too small or non-functional
- Converted files show as 0 bytes
- App crashes when deleting empty files
- Pro version features still require upgrade prompts

**Requested features**

- Batch conversion capability
- Right-to-left text support for Arabic books
- Proper cover image inclusion in conversions
- Unlimited conversions
- iPad Pro landscape orientation support


## Frequently asked questions

### Is Comic Book Viewer free?

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

### Is Interchange free?

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

### Which has better reviews, Comic Book Viewer or Interchange?

Interchange is rated higher. Comic Book Viewer averages 3.8 out of 5 from 135 ratings, while Interchange averages 4.3 from 212 ratings.

### Do Comic Book Viewer or Interchange have ads?

Neither Comic Book Viewer nor Interchange shows ads.

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

Comic Book Viewer ships an update every 3 months, and Interchange every 6 days. Most recently, Comic Book Viewer was updated on October 26, 2026 and Interchange on October 26, 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.*