Knots 3D Pro is a comprehensive and interactive guide to 172 knots that are displayed in 3D perspective. The app is developed by MC_LANG and is available for Android devices. The app is an excellent tool for anyone who wants to learn how to tie knots, from beginners to experts. The app is ad-free and comes with a full version license.

The app features 41 fishing knots and supports multiple languages, including English, French, German, Italian, Polish, Russian, Spanish, Swedish, and Turkish. The app allows you to create a favorites list, provides knot information, and categorizes knots into various categories. The app is also compatible with larger displays, including landscape mode, and can be installed on an SD card. The animation of the knots is infinitely adjustable, and you can rotate, zoom, and animate the knots with your fingers. The app also allows you to start and stop the animation and view the knots in single picture mode or 360-degree view.