# Knots 3D vs Army Knots

The clearest difference is price: Army Knots at Free against Knots 3D's $5.99. Army Knots also leads on iOS requirement (12.0 vs 16.0). Knots 3D's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (13K vs 1K). On rating, ads, in-app purchases and monetization model there is nothing between them.

Army Knots is free to download; Knots 3D costs $5.99 up front. 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 Knots 3D against 4.8 for Army Knots. That said, the two scores are not equally well evidenced: Knots 3D has 13K ratings behind it against 1K, so its average is the more settled of the two. Written reviews are what separate them: 98% of Knots 3D's written reviews are positive against 88% of Army Knots's.

Knots 3D ships an update fortnightly, Army Knots every 6 weeks. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Knots 3D | Army Knots |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.9 (13K ratings)](https://appshunter.io/ios/app/knots-3d/id453571750/reviews)** | [4.8 (1K ratings)](https://appshunter.io/ios/app/army-knots/id6446508160/reviews) |
| Number of ratings | **13K** | 1K |
| Positive reviews | **97.9% of reviews** | 88.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | Free |
| Best chart rank | **#2** | — |
| Size | 511 MB | 54 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Nynix](https://appshunter.io/developer/425939481) | [Nynix](https://appshunter.io/developer/425939481) |

## What reviewers say

### Knots 3D

[App page](https://appshunter.io/ios/app/knots-3d/id453571750)

**Currently charting:** #2 Top Paid · Reference (US App Store)

Master over 220 essential knots with detailed 3D animations and offline access. This app is perfect for learning rope work for activities like fishing, climbing, and boating, offering interactive tutorials and customizable organization features.

**Highlights:** 225+ knots in 12+ categories, Offline access, no internet required, Interactive 3D knot animations, Rotate and scrub through knot tying, Customizable knot categories, Add personal notes and keywords, ABOK number cross-reference

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent instructions and animations
- 🚀 Adjustable speed control for learning
- 🔍 Ability to view knots from different angles
- 📚 Comprehensive knot library
- 💡 Detailed information on knot uses and history

**What reviewers complain about**

- 🐛 Favorites list disappearing after updates
- 💡 Desire for more splices and advanced knots
- 💡 Request for step-by-step instructions and ability to pause/rewind animations

**Reported bugs**

- Favorites list disappearing after updates

**Requested features**

- Add more splices and advanced knots
- Implement step-by-step instructions and ability to pause/rewind animations
- Add a continuous loop option for the knot animations
- Introduce a game mode or practice feature


### 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


## Frequently asked questions

### Is Knots 3D free?

Knots 3D costs $5.99, with no in-app purchases.

### Is Army Knots free?

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

### Which has better reviews, Knots 3D or Army Knots?

Knots 3D is rated higher. Knots 3D averages 4.9 out of 5 from 13K ratings, while Army Knots averages 4.8 from 1K ratings.

### Do Knots 3D or Army Knots have ads?

Neither Knots 3D nor Army Knots shows ads.

### Which is updated more often, Knots 3D or Army Knots?

Knots 3D ships an update fortnightly, and Army Knots every 6 weeks. Most recently, Knots 3D was updated on September 24, 2026 and Army Knots on September 20, 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.*