# Knots 3D vs ICG Safety

The clearest difference is price: ICG Safety at Free against Knots 3D's $5.99. Knots 3D's advantage is update cadence (every 2 weeks vs every 5 months) and ratings volume (13K vs 7). On rating, ads, in-app purchases and monetization model there is nothing between them.

ICG Safety 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 5.0 for ICG Safety. That said, the two scores are not equally well evidenced: Knots 3D has 13K ratings behind it against 7, so its average is the more settled of the two.

Knots 3D ships an update every 2 weeks, ICG Safety every 5 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Knots 3D | ICG Safety |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.9 (13K ratings)](https://appshunter.io/ios/app/knots-3d/id453571750/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/icg-safety/id928292727/reviews)** |
| Number of ratings | **13K** | 7 |
| Positive reviews | 97.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free | Free |
| Best chart rank | **#4** | — |
| Size | 523 MB | 29 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nynix](https://appshunter.io/developer/425939481) | [International Cinematographers Guild](https://appshunter.io/developer/928292726) |

## What reviewers say

### Knots 3D

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

**Currently charting:** #4 Top Paid · Reference, #126 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


### ICG Safety

[App page](https://appshunter.io/ios/app/icg-safety/id928292727)

This safety reference app provides critical information for professionals in the motion picture and television industry. It includes hazard reporting with two-way communication, safety bulletins, emergency guides, and videos. Access anonymous hotlines and industry-specific initiatives.

**Highlights:** Two-way hazard reporting communication, Anonymous safety hotline numbers, Industry-wide safety bulletins, Emergency preparedness guides, Safety videos, Local 600 initiatives

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knots 3D free?

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

### Is ICG Safety free?

ICG Safety is free to download, with no in-app purchases.

### Which has better reviews, Knots 3D or ICG Safety?

ICG Safety is rated higher. Knots 3D averages 4.9 out of 5 from 13K ratings, while ICG Safety averages 5.0 from 7 ratings.

### Do Knots 3D or ICG Safety have ads?

Neither Knots 3D nor ICG Safety shows ads.

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

Knots 3D ships an update every 2 weeks, and ICG Safety every 5 months. Most recently, Knots 3D was updated on October 26, 2026 and ICG Safety on October 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.*