# Knife Steel Composition Chart vs PARALLEL PLUS Bible

The clearest difference is update cadence: PARALLEL PLUS Bible at monthly against Knife Steel Composition Chart's every 5 months. PARALLEL PLUS Bible also leads on ratings volume (15K vs 554). Knife Steel Composition Chart's advantage is iOS requirement (9.0 vs 16.2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Knife Steel Composition Chart against 4.9 for PARALLEL PLUS Bible. That said, the two scores are not equally well evidenced: PARALLEL PLUS Bible has 15K ratings behind it against 554, so its average is the more settled of the two. Written reviews are what separate them: 94% of Knife Steel Composition Chart's written reviews are positive against 98% of PARALLEL PLUS Bible's.

Knife Steel Composition Chart ships an update every 5 months, PARALLEL PLUS Bible monthly. The most recent releases landed on August 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Knife Steel Composition Chart | PARALLEL PLUS Bible |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (554 ratings)](https://appshunter.io/ios/app/knife-steel-composition-chart/id498892262/reviews) | [4.9 (15K ratings)](https://appshunter.io/ios/app/parallel-plus-bible-study-app/id528246186/reviews) |
| Number of ratings | 554 | **15K** |
| Positive reviews | 94.3% of reviews | **97.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 4 MB | 381 MB |
| Requires iOS | **9.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZviSoft LLC](https://appshunter.io/developer/498892265) | [Scripture Network](https://appshunter.io/developer/528246249) |

## 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


### PARALLEL PLUS Bible

[App page](https://appshunter.io/ios/app/parallel-plus-bible-study-app/id528246186)

Explore biblical texts with multiple translations side-by-side. Deepen your understanding with integrated Greek and Hebrew word studies, grammatical analysis, and translation tips. Search for verses using keywords across all versions.

**Highlights:** Parallel Bible versions (up to 8 columns), Greek and Hebrew word studies, Lexical entries and word families, Verse-by-verse exegetical helps, Search for verses by keywords, Multiple language support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient and powerful
- 🚀 Excellent way to see what gets added/deleted from KJV
- 👍 Well done
- 👍 This Bible App Exceeded My Expectations
- 👍 Wonderful and easy-to-use app

**What reviewers complain about**

- 🐛 Frustrated with issues when trying to change Bible versions

**Reported bugs**

- Tried to change from NASB20 to NASB 95 and everything has gone haywire

**Requested features**

- Add the Passion translation as another choice
- Allow highlighting individual words or sections of verses
- Change the font color to black for better readability


## Frequently asked questions

### Is Knife Steel Composition Chart free?

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

### Is PARALLEL PLUS Bible free?

PARALLEL PLUS Bible is free to download, with no in-app purchases.

### Which has better reviews, Knife Steel Composition Chart or PARALLEL PLUS Bible?

Knife Steel Composition Chart and PARALLEL PLUS Bible are both rated 4.9 out of 5 on the App Store, from 554 and 15K ratings respectively.

### Do Knife Steel Composition Chart or PARALLEL PLUS Bible have ads?

Neither Knife Steel Composition Chart nor PARALLEL PLUS Bible shows ads.

### Which is updated more often, Knife Steel Composition Chart or PARALLEL PLUS Bible?

Knife Steel Composition Chart ships an update every 5 months, and PARALLEL PLUS Bible monthly. Most recently, Knife Steel Composition Chart was updated on August 29, 2026 and PARALLEL PLUS Bible on September 28, 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.*