# Army Knots vs Thread Length Calculator

The clearest difference is ratings volume: Army Knots at 1.1K against Thread Length Calculator's 3. Thread Length Calculator's advantage is update cadence (every 10 days vs every 6 weeks) and review sentiment (100% vs 89%). On price, rating, 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.

Thread Length Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Army Knots has 1.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 89% of Army Knots's written reviews are positive against 100% of Thread Length Calculator's.

Army Knots ships an update every 6 weeks, Thread Length Calculator every 10 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Army Knots | Thread Length Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.1K ratings)](https://appshunter.io/ios/app/army-knots/id6446508160/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/thread-length-calculator/id6458585044/reviews)** |
| Number of ratings | **1.1K** | 3 |
| Positive reviews | 89.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 47 MB | 11 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nynix](https://appshunter.io/developer/425939481) | [Nigel Armitage](https://appshunter.io/developer/1834117685) |

## What reviewers say

### Army Knots

[App page](https://appshunter.io/ios/app/army-knots/id6446508160)

Master essential knots for military training and survival with interactive 3D models and step-by-step instructions. This app provides offline access to a comprehensive knot library, allowing users to track their progress and easily find the knots they need.

**Highlights:** Extensive knot library, Rotatable 3D knot models, Step-by-step instructions, Offline access, Mastered knots tracking, Knot search functionality

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive UI
- 🚀 Clear instructions
- 🚀 Helpful animations
- 👍 Practical knots
- 👍 Easy to understand

**What reviewers complain about**

- 🐛 Can be confusing for beginners
- 💡 Needs more knot options

**Reported bugs**

- Some users had trouble tightening the knots

**Requested features**

- Add more knot options
- Ability to practice tying knots on-screen
- Provide more background information on each knot


### Thread Length Calculator

[App page](https://appshunter.io/ios/app/thread-length-calculator/id6458585044)

This free tool helps leatherworkers accurately calculate the thread length required for their projects. It accounts for the number of holes, stitching length, and leather thickness, ensuring you always have enough material.

**Highlights:** Thread length calculation, Supports any number of holes, Accounts for stitching length, Considers leather thickness, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Army Knots free?

Army Knots is free to download, with no in-app purchases.

### Is Thread Length Calculator free?

Thread Length Calculator is free to download, with no in-app purchases.

### Which has better reviews, Army Knots or Thread Length Calculator?

Thread Length Calculator is rated higher. Army Knots averages 4.8 out of 5 from 1.1K ratings, while Thread Length Calculator averages 5.0 from 3 ratings.

### Do Army Knots or Thread Length Calculator have ads?

Neither Army Knots nor Thread Length Calculator shows ads.

### Which is updated more often, Army Knots or Thread Length Calculator?

Army Knots ships an update every 6 weeks, and Thread Length Calculator every 10 days. Most recently, Army Knots was updated on October 25, 2026 and Thread Length Calculator on October 24, 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.*