# Knots 3D

5 Hacker News commenters recommended Knots 3D and 0 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** People recommend it as a handy phone app for learning and teaching knots, including to Scouts. The most common caveat is that it is missing some knots people use.

## Why people recommend it

- Always available on the phone (2 comments): "It is really handy because most people keeps the phone with them all the time." ([source](https://news.ycombinator.com/item?id=46907577)) "Re-watch the Knots 3D on the Phone" ([source](https://news.ycombinator.com/item?id=46914058))

## What people warn about

- Missing some knots people use (1 comments): "I like Knots 3D better, but it's missing some knots that I use." ([source](https://news.ycombinator.com/item?id=46908980))

## Alternatives hackers recommend

- [Sheldon Brown's Bicycle Technical Info](https://hackerapproved.com/p/sheldon-brown-s-bicycle-technical-info.md): 49 recommend
- [Animated Knots by Grog](https://hackerapproved.com/p/animated-knots.md): 14 recommend
- [Ian's Shoelace Site](https://hackerapproved.com/p/ian-s-shoelace-site.md): 10 recommend
- [OEIS](https://hackerapproved.com/p/oeis.md): 9 recommend
- [RF Cafe](https://hackerapproved.com/p/rf-cafe.md): 9 recommend

## Cite as

Hacker Approved, "Knots 3D", https://hackerapproved.com/p/knots-3d/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).