# Knots 3D vs Home Builder Pocket Reference

The clearest difference is update cadence: Knots 3D at fortnightly against Home Builder Pocket Reference's every 5 months. Knots 3D also leads on ratings volume (13K vs 103) and review sentiment (98% vs 78%). Home Builder Pocket Reference's advantage is price ($2.99 vs $5.99) and iOS requirement (9.3 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Knots 3D costs $5.99 and Home Builder Pocket Reference $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Knots 3D holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Knots 3D has 13K ratings behind it against 103, so its average is the more settled of the two. Written reviews point the same way: 98% of Knots 3D's written reviews are positive against 78% of Home Builder Pocket Reference's.

Knots 3D ships an update fortnightly, Home Builder Pocket Reference every 5 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Knots 3D | Home Builder Pocket Reference |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | **[4.9 (13K ratings)](https://appshunter.io/ios/app/knots-3d/id453571750/reviews)** | [4.7 (103 ratings)](https://appshunter.io/ios/app/home-builder-pocket-reference/id475502299/reviews) |
| Number of ratings | **13K** | 103 |
| Positive reviews | **97.9% of reviews** | 78.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free | Free |
| Best chart rank | **#2** | — |
| Size | 509 MB | 220 MB |
| Requires iOS | 16.0 | **9.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nynix](https://appshunter.io/developer/425939481) | [Calculated Industries](https://appshunter.io/developer/370406449) |

## 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


### Home Builder Pocket Reference

[App page](https://appshunter.io/ios/app/home-builder-pocket-reference/id475502299)

Access essential home construction information with over 1,500 illustrations and 100 guides for energy-efficient building. Includes 30 calculators for understanding and applying construction principles, covering topics from concrete to finishing.

**Highlights:** 1,500+ illustrations, 100 energy-efficient building guides, 30 construction calculators, Woodworking tools and materials, Concrete and masonry guides, Estimating and scheduling tools, Bonus project management sections

**Features:** macOS Compatibility, 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 Home Builder Pocket Reference free?

Home Builder Pocket Reference costs $2.99, with no in-app purchases.

### Which has better reviews, Knots 3D or Home Builder Pocket Reference?

Knots 3D is rated higher. Knots 3D averages 4.9 out of 5 from 13K ratings, while Home Builder Pocket Reference averages 4.7 from 103 ratings.

### Do Knots 3D or Home Builder Pocket Reference have ads?

Neither Knots 3D nor Home Builder Pocket Reference shows ads.

### Which is updated more often, Knots 3D or Home Builder Pocket Reference?

Knots 3D ships an update fortnightly, and Home Builder Pocket Reference every 5 months. Most recently, Knots 3D was updated on October 1, 2026 and Home Builder Pocket Reference on September 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.*