# Knots 3D vs Armoury

The clearest difference is review sentiment: Knots 3D at 98% against Armoury's 0%. Knots 3D also leads on chart position (#3 vs unranked). Armoury's advantage is price ($1.99 vs $5.99) and iOS requirement (8.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Knots 3D costs $5.99 and Armoury $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Knots 3D ships an update every 2 weeks, Armoury every 8 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Knots 3D | Armoury |
| --- | --- | --- |
| Price | $5.99 | **$1.99** |
| Rating | **[4.9 (13K ratings)](https://appshunter.io/ios/app/knots-3d/id453571750/reviews)** | — |
| Number of ratings | **13K** | — |
| Positive reviews | **97.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | **Free** | Paid |
| Best chart rank | **#3** | — |
| Size | 523 MB | 38 MB |
| Requires iOS | 16.0 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Nynix](https://appshunter.io/developer/425939481) | [Watch and Shoot Developments LTD](https://appshunter.io/developer/1561466869) |

## What reviewers say

### Knots 3D

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

**Currently charting:** #3 Top Paid · Reference, #92 Top Paid (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


### Armoury

[App page](https://appshunter.io/ios/app/armoury/id1561469824)

This app provides comprehensive information on weapon systems used by the British Armed Forces. It includes detailed diagrams, technical data, and training drills to enhance weapon knowledge and proficiency. New content is added monthly.

**Highlights:** Weapon system information, Detailed diagrams, Technical data sheets, Weapon drills, Customizable themes, Monthly content updates

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Knots 3D free?

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

### Is Armoury free?

Armoury costs $1.99, with no in-app purchases.

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

Neither Knots 3D nor Armoury shows ads.

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

Knots 3D ships an update every 2 weeks, and Armoury every 8 days. Most recently, Knots 3D was updated on November 1, 2026 and Armoury on October 30, 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.*