Knots 3D iOS
Knots 3D icon

Knots 3D

by Nynix

Price: $1.99

Used by arborists, fishermen, firefighters, climbers, military and boy scouts the world over, Knots 3D will quickly teach you how to tie even the most difficult knot. With more than 120 knots, Knots 3D will be your go-to reference! Grab some rope and have fun!

  • Included in Scouting Magazine's "Ultimate List of Scouting Apps"
  • Featured in iOS Today, GQ Magazine, Boating Magazine, Guy Harvey Magazine and many other well known print and online and media. *
  • #1 Reference App in 75 Countries **

Have you ever wondered what a knot looks like rotated 40° or maybe 90°? Or maybe you want to see what a Bowline knot or Constrictor knot looks like from the back? Use your finger to spin the knot and see how it looks from any angle in 3D!

Choose from 121 different knots and see how they're tied in incredible detail. Watch the knot draw itself or use your finger to tie and untie the knot. Its easy to see where the virtual rope goes in and out and around. (Something about a rabbit and a hole and a tree right? ) Zoom in on the knot to get a closer look or flip it around for another perspective. Can your old school knot app do that?!

Product Features and Functions
- Compatible with iPhone, iPad, and iPod Touch (Universal App)
- High res graphics with photo-realistic rope textures
- Learn to tie 121 unique knots
- Watch knots tie themselves and pause or adjust the speed of the animation at any time
- Rotate knots in 360 degree, 3D views to study them from any angle
- Zoom in on a knot to see it in greater detail
- Interact with the knot on screen via multi-touch gestures such as pinch-to-zoom and swipe to tie/untie.
- Browse knots by category or search by name
- Completely self contained -- No internet required!
- 100% localized for over a dozen languages: English, Chinese, Danish, Dutch, French, German, Hebrew, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish and Turkish!

Each 3D knot has detailed reference information including tying pointers, strength and reliability, structural info, and Ashley reference numbers (ABoK) and occasionally the history behind the knot.

The knots are arranged by both Category (Boating, Climbing, Fishing, Scouting, etc) and Type (Bend, Loop, Stopper, etc). If you find a knot you like or want to come back to later, add it to your Favorites list for quick reference.


Anchor Hitch, Ashley’s Bend, Blood Knot, Bowline, Bowline on a Bight, Buntline Hitch, Carrick Bend, Cats Paw, Clinch Knot (Improved), Clove Hitch, Constrictor Knot, Larks Head Hitch, Double Sheet Bend, Figure 8 Knot, Figure 8 Bend, Figure 8 Loop, Fisherman’s Eye, Fisherman’s Knot, Jar Sling Knot, Loop Knot, Overhand Knot, Perfection Loop, Rolling Hitch, Round Turn & Two Half Hitches, Running Bowline, Square Knot (Reef Knot), Sheepshank, Sheet Bend, Stevedore’s Knot, Surgeon’s Knot, Surgeon’s Loop, Taut Line Hitch, Timber Hitch, Water Knot, Alpine Butterfly, Trucker's Hitch, Prusik Hitch, Rapala Knot, San Diego Jam, Diagonal Lashing, Double Coin Knot, Mooring Hitch, Round Lashing, Shear Lashing, Square Lashing, Trefoil Knot, Jury Mast Knot, Monkey's Fist, Turk's Head and many more!

Complete Knot List at:


Superb in every way - 5 Stars!
I'm a fairly handy guy (surgeon) and rely on several knots in my practice. Nevertheless I'm pretty hopeless at learning new knots and remembering them, even though I'm a sailor and do some fishing. Knots 3D is the answer. I love every aspect of the app.

Great App - 5 Stars!
I really like this app, I have 4 knot apps, and I use this one the most. As a firefighter rope skills is a must and this app helps keep me "knot prepared". The zoom and step through the knot using a finger gestures is real handy. The author updates this app with new knots often. I recommend this app.

** As per

What's new in version 5.0.0

We've been busy making the best knot app better! Many of the knot models have been upgraded with the following improvements: - 8, 16, and 24 strand rope with dozens of new photorealistic textures and patterns - More realistic metal rings, wood poles, carabiners, fish hooks, etc - Shadows! - Smoother animations Updated icon Various minor improvements More knots (now 121 total)! If you like the changes, please leave us a review and let us know!

Rank in top paid apps

Ranking - Apps (iPhone) - United States
  • Knots 3D is a top rated app with 5 stars.

App Updates (View More)

  • Free -> $1.99 Aug 23, 2017
  • $1.99 -> Free Aug 18, 2017
  • Free -> $1.99 Jul 11, 2017
  • $1.99 -> Free Jul 8, 2017
  • Free -> $1.99 May 22, 2017
  • Release v2.9 Sep 10, 2011

Knots 3D App Details

Knots 3D is an application developed by Nynix and released on iOS. The app is compatible with iOS 8.0 or later on the following devices: iPhone 7, iPhone 6, iPad 3, iPad Mini and iPod Touch 5G or newer.

Below are the links to download the app on iOS. To download the app for Android, click here.

Developer site: Support

Quick Details

Current Version: 5.0.0
File Size: 72Mb
Genre: Sports
Publisher: Nynix
Content Rating: 4+
Users Rating: 5.00 (166 reviews)
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Knots 3D Reviews

A must for Boy Scouts!
Rated 5 out of 5
By TVC Guy on September 21, 2017
I have had a few apps such ad this, but they always fell short on knots used by Boy Scouts....
Wicked good app
Rated 5 out of 5
By iPad toss on September 6, 2017
Love being able to flip the illustrations around, best knot app yet!
Excellent Knot learning tool
Rated 5 out of 5
By Beautiful Horror on September 6, 2017
Great for learning knots, wish that you could add names for knots. Some knots have multiple names. Can be time...
Awesome just plain awesome
Rated 5 out of 5
By BH241 on September 5, 2017
Cannot find any fault with this app. One of the best knott tying resources I've ever seen. Kudos!
very educative
Rated 5 out of 5
By snack it on September 3, 2017
beautiful app, simple, with a short explanation of origin of a knot
Very good
Rated 5 out of 5
By Ali0917 on August 31, 2017
Hello, please add Farsi. Thank you
An Ap that does what it claims
Rated 5 out of 5
By ASeeker on August 27, 2017
Great way to learn useful knots. A lost art. The 3D vids are great. Thank you.

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