Animated Knots by Grog

• Price: $4.99

Last verified 31 Jul 2026

4.8 333 ratings · App Store

1. 5/5Delightful reference

   It’s surprising, even if you’re retired, how many times you are asked to lift heavy things, tie stuff down, control the beast, whatever. I am a theater guy who has done some sailing and I thought I knew a lot about rope. What a fool I was. I’ve used this app for a couple of years now and it never fails to amaze me how someone in the dim and foggy past had a rope and a problem and solved it simply and elegantly. Some of the knots are so elegant that it’s apparent that many people contributed. Crowd sourcing from the age of sail! Who knew? Apparently these guys knew, gathered a splendid collection and threw it into an app. Those of you who actually do stuff and aren’t just looking for fun (that works too) will appreciate the sorting by useful category, the ability to step through the animation, the use of favorites for those knots you haven’t quite learned yet or only use occasionally. Power users will know the joy of deleting a knot from the favorites list because they’ve used it so much they’ve learned it. I HATE single use apps that clutter up my phone, but this one easily makes the cut. If you’re someone out there actually doing things, camping, sailing, helping friends get it done, and only go to your screen for reference, get this app. Oh, and buy some rope…

   dsmithy · 31 Jul 2026

2. 5/5Incredibly helpful

   This app is perfect to have at your fingertips when you’re doing any kind of manual work or play. I’ve learned a ton of knots with this app and it’s easy to pause or step through the animation to fully understand a knot, or to flip to a mirror image of a knot if your instinct is to go left rather than right. The categories are helpful, the info about each knot is indispensable, and it’s easy to add knots to your favorites section for quick reference. I got this so long ago I can’t remember if I paid for it, but if I did, it was worth every penny. As a bonus: tying my halter top bathing suits with alpine butterflies and sewing the ends down to the back has saved me hundreds of neckaches!

   Weaselberries · 31 Jul 2026

3. 5/5The Best Knot App Period!!!

   I’ve had this app for a number of years. This app deserves to be reviewed. I have been boating for over 20 years. The increase in skill, knowledge, and massive improvement in my knot tying cannot be understated. Now I know the boat is more secure and allows me to utilize the correct knot for the application. I also camp quite a bit and fish offshore. Again, the amount of help this app has lent me is practically invaluable. You will learn from easy to follow graphics as you practice knots in real time via slides. Additionally, the back ground information regarding a specific knot is absolutely amazing. You will know the pros and cons of various knots. i.e. various knot capabilities regarding speed, strength, water securing abilities, etc. You will even learn a little history on the knot if you want to nerd out. This app has always worked great for me. I hope the developers continue to keep this up to date and working as great as it has for me the last few years. Thanks Grog Knots!

   JayCrash · 31 Jul 2026

4. 5/5Great Isolation Project

   Discovered this while creating elements for a backyard playground. The directions and animations are easy to follow, each knot’s information tab is very interesting and, as a solo mom, I appreciated the inclusion of a necktie group. My 10 year old son and I have been knotting our way through Covid-19 isolation; it’s been entertaining, challenging, and extremely useful - we’ve tied everything from placemats and keychains to a seat for a tree swing. After 6 weeks at home I’ve spotted the cat in a variety of harnesses and have memorized the handcuff knot (just in case 😉).

   really needs work! · 31 Jul 2026

5. 5/5Superb and Indispensable!

   I have been using this app for a few years now and I can’t say enough about how awesome it is. If you think you might be interested in learning more about knots and knot tying; if you kinda like, like, love or can’t live without tying knots...well then this is for you! Not only do the Grogono’s offer a substantial multitude of knots to get you off and running, they provide excellent commentary on each. The animations illustrate perfectly how to execute the knots. This is really valuable as books, at times, fail miserably in this area-particularly for the more complicated knots. The value of this app is among the best out there. What a tremendous resource, what a tremendous accomplishment. Bravo fellas!! It took me a couple years to get around to writing a review for this app and I am more excited about it now than when I purchased it. Don’t hesitate. BUY THIS APP!

   The Krautrocker · 31 Jul 2026

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