Knots 3D is made and published by Nynix LLC. AppBrain is an independent app data site and isn't affiliated with Nynix LLC. The app name, icon, screenshots and description belong to Nynix LLC and are shown as published on Google Play.
AppBrain's verdict
EstablishedPopularLoved by usersTop 10- Rating on Google Play
- 4.93
- 27,850 ratings
- Installs
- 1.5 million
- Last updated
- October 25, 2026
- Ads
- No ads
- Size
- 450.3 MB
Knots 3D is popular, with 1.5 million installs. Users love it: 4.9 stars from 27,850 ratings. Its best ranking is #4 in Top Paid, Books & Reference in Austria.
Pros & Cons
- Offline, self-contained learning without internet requirements
- Large knot library (241 knots) across many categories
- High-quality 3D animations with 360° views and scrubbing controls
- Ad-free experience with a one-time purchase
- Specialized topic; narrower audience compared with general reference apps
User feedback
Ratings and reviews on Google PlayComments on Knots 3D for Android
Google Play Rating history and histogram
Store listing
By Nynix LLC, from Google Play“Learn to tie over 240 knots in 3D!”
Description by Nynix LLC Written by the developer, not by AppBrain. Click to read.
Knots 3D is the original 3D knot-tying app, first released in 2011 and rated 4.9 by tens of thousands of users worldwide. Choose a knot app with care, as your safety may depend on it.
Accolades:
- Google Play Editors' Choice
- Winner of Google Play Best of 2017, Hidden Gem category
- Included in Scouting Magazine's "Best Scouting Apps of 2016"
Watch each knot tie itself in 3D, slow it down, and turn it around until it makes sense. Browse by category or type, search by name, common synonym or Ashley Book of Knots (ABoK) number, or describe what you need the knot to do. Save your favorite knots for quick review.
Permissions:
No internet or other special permissions required.
Features:
- 241 knots in over a dozen categories, with new knots added regularly
- No ads, no subscriptions and no in-app purchases. Ever!
- Completely OFFLINE and self-contained. No additional downloads or internet access required!
- 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 with a swipe of a finger
- "Scrub" over the knot with a finger to advance or rewind the animation
- Mirror (left-hand) mode, zoom, and rotate the view to match how you hold the rope
- Describe a task in your own words, like "tie a boat to a dock", to find the right knots for the job
- High-res graphics with photorealistic rope textures
- Dark mode and light mode
- List, Card and Icon view options
- Create your own custom categories to group knots, such as "Mastered", "Practice" or "Top Ten"
- Add personal notes, links and your own search keywords to any knot
- Share a knot link by text message, email, social media and more
- ABoK numbers for cross-reference to The Ashley Book of Knots
7-Day Refund Policy:
Try Knots 3D risk free for a week. For a refund, send the order number from your Google receipt to our support email address.
Includes the knots people look for most: Bowline, Clove Hitch, Figure Eight, Trucker's Hitch, Square Knot, Sheet Bend, Prusik, Taut Line Hitch, Cleat Hitch, Palomar Knot, Uni Knot, Double Fisherman's Knot, Alpine Butterfly, Monkey's Fist, Munter Hitch and many more.
Every knot comes with a description of what it is for and a list of common uses. Most also include the other names the knot goes by, strength and reliability notes, structure, related knots, ABoK numbers and history.
Available in 25 languages:
Arabic, Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian and Vietnamese
Categories:
- Essential Knots
- Arborist
- Boating
- Camping
- Caving
- Climbing
- Decorative
- Diving
- Fire & Rescue
- Fishing
- Military
- Neckties
- Pioneering
- Rope Care
- Scouting
- Theatre & Film
Types:
- Bends
- Binding
- Coils
- Friction Hitches
- Hitches
- Lashings
- Loops
- Mats
- Multi-Loop
- Quick Release
- Stoppers
- Whippings
The complete list of knots:
https://knots3d.com/en/complete-list
Missing a knot? Suggest one from inside the app.
Knots 3D is a learning reference. Learn from a skilled instructor if you plan to use ropes or knots in a situation where failure could cause property damage, injury, or death.
Recent changes:
- Improved animations for nine knots
- Further search algorithm refinements
- Minor content updates
- Fixed update and install issue
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- $5.99
- Libraries
- 13
- App size
- 450.3 MB
- Needs Android
- 12.1+
- Content rating
- Everyone
Technologies used by Knots 3D
Releases
Updates seen on Google Play- Version
- 11.9.1
- Launched
- January 2012
- Oct 25, 2026UpdateVersion 11.9.1
- Oct 10, 2026UpdateVersion 11.8.1
- Oct 4, 2026UpdateVersion 11.8.0
- Sep 27, 2026UpdateVersion 11.7.0
- Sep 19, 2026UpdateVersion 11.6.0
Alternatives
Similar apps and more from Nynix LLCAlternatives to Knots 3D
More from Nynix LLC
Installs
Tracked by AppBrain- Last 30 days
- 3.1 thousand
- Per day
- 100
- 30-day average
- Play install range
- 1+ million
- Launched
- January 2012
Installs over time
Knots 3D has been installed 1.5 million times. Over the past 30 days, it averaged 100 installs per day.
Rankings
Google Play top charts- Highest rank
- #4
- Chart
- Top Paid
- Books & Reference
- Country
- Austria
Google Play Rankings for Knots 3D
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 4 | Austria | Books & Reference | Top Paid |
| 4 | Belgium | Books & Reference | Top Paid |
| 4 | Switzerland | Books & Reference | Top Paid |
| 4 | Czech Republic | Books & Reference | Top Paid |
| 4 | Denmark | Books & Reference | Top Paid |
| 4 | Finland | Books & Reference | Top Paid |
| 4 | Indonesia | Books & Reference | Top Paid |
| 4 | India | Books & Reference | Top Paid |
| 4 | Mexico | Books & Reference | Top Paid |
| 4 | Netherlands | Books & Reference | Top Paid |
Ranking history in Austria
About the app and developer
About Knots 3D
Knots 3D is a books & reference app developed by Nynix LLC.
How many times has Knots 3D been installed?
Knots 3D has been installed 1.5 million times. In the last 30 days, the app was installed 3.1 thousand times. It is ranked #4 in books & reference.
What is the rating of Knots 3D?
Knots 3D is rated 4.93 out of 5 stars, based on 28 thousand ratings.
Is Knots 3D free?
Knots 3D costs $5.99. The app size is 450.31 MB. The latest version available is 11.9.1. The last update was on October 25, 2026.
What are the requirements for Knots 3D?
Knots 3D requires Android 12.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since January 2012.
App Performance Report
Get a detailed PDF report for Knots 3D with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Nynix LLC
Frequently asked questions about Knots 3D
Is Knots 3D free?
No. Knots 3D costs $5.99 on Google Play.
Is Knots 3D still available?
Yes. Knots 3D is on Google Play, and the last update we saw was on October 25, 2026.
Does Knots 3D contain ads?
No. Google Play does not list Knots 3D as containing ads.
What Android version does Knots 3D require?
Knots 3D runs on Android 12.1 and higher.
How large is Knots 3D?
Knots 3D is 450.31 MB.
Is Knots 3D suitable for children?
Google Play rates the content of Knots 3D as suitable for everyone.
How many times has Knots 3D been installed?
Google Play lists 1,000,000+ installs for Knots 3D.
How do people rate Knots 3D?
Knots 3D scores 4.93 out of 5 stars, from 27,850 ratings on Google Play.
Who made Knots 3D?
Knots 3D was developed by Nynix LLC. It is listed in the books & reference category on Google Play.
What are the best alternatives to Knots 3D?
People looking at Knots 3D also look at these books & reference apps: Knots Tying Guide: KnotSmith, Knot IQ: 3D Knot Tying, Net Knots, Tying 3D Animated Useful Knots, Knots 360 Pro ( 3D ).
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