# Knife Steel Composition Chart vs Comic Book Viewer

The clearest difference is rating: Knife Steel Composition Chart at 4.9 against Comic Book Viewer's 3.8. Knife Steel Composition Chart also leads on review sentiment (94% vs 71%) and ratings volume (554 vs 135). 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.

Knife Steel Composition Chart holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 554 and 135 respectively. Written reviews point the same way: 94% of Knife Steel Composition Chart's written reviews are positive against 71% of Comic Book Viewer's.

Knife Steel Composition Chart ships an update every 5 months, Comic Book Viewer every 3 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Knife Steel Composition Chart | Comic Book Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (554 ratings)](https://appshunter.io/ios/app/knife-steel-composition-chart/id498892262/reviews)** | [3.8 (135 ratings)](https://appshunter.io/ios/app/comic-book-viewer/id957475715/reviews) |
| Number of ratings | **554** | 135 |
| Positive reviews | **94.3% of reviews** | 71.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 4 MB | 8 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZviSoft LLC](https://appshunter.io/developer/498892265) | [Sebastian Boettcher](https://appshunter.io/developer/719716635) |

## What reviewers say

### Knife Steel Composition Chart

[App page](https://appshunter.io/ios/app/knife-steel-composition-chart/id498892262)

Access a comprehensive database of knife steel alloys, featuring over 6500 names and 1000 compositions. Compare alloys easily with visual bar graphs based on mass percentage, molar masses, or atomic counts. Report missing alloys or suggest improvements directly to the developer.

**Highlights:** Extensive alloy name database, Detailed composition data, Cross-reference international standards, Proprietary name equivalents, Bar graph composition comparison, Multiple comparison modes

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Knife Steel Composition Chart free?

Knife Steel Composition Chart is free to download, with no in-app purchases.

### Is Comic Book Viewer free?

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

### Which has better reviews, Knife Steel Composition Chart or Comic Book Viewer?

Knife Steel Composition Chart is rated higher. Knife Steel Composition Chart averages 4.9 out of 5 from 554 ratings, while Comic Book Viewer averages 3.8 from 135 ratings.

### Do Knife Steel Composition Chart or Comic Book Viewer have ads?

Neither Knife Steel Composition Chart nor Comic Book Viewer shows ads.

### Which is updated more often, Knife Steel Composition Chart or Comic Book Viewer?

Knife Steel Composition Chart ships an update every 5 months, and Comic Book Viewer every 3 months. Most recently, Knife Steel Composition Chart was updated on October 20, 2026 and Comic Book Viewer on October 21, 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.*