Comparison

Knots 3D vs Vector Guard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Knots 3D

Master over 220 essential knots with detailed 3D animations and offline access. This app is perfect for learning rope work for activities like fishing, climbing, and boating, offering interactive tutorials and customizable organization features.

Highlights
  • 225+ knots in 12+ categories
  • Offline access, no internet required
  • Interactive 3D knot animations
  • Rotate and scrub through knot tying
  • Customizable knot categories
  • Add personal notes and keywords
  • ABOK number cross-reference
Features
Read full description

Learn to tie over 240 knots for fishing, climbing, boating, sailing, camping, scouting and other ropework. 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. 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. 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 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.

About

Vector Guard

Get real-time risk assessments for disease-carrying insects like ticks and mosquitoes before outdoor activities. This app provides expert-level prevention knowledge, species identification, and seasonal forecasting based on extensive field research.

Highlights
  • Real-time vector risk maps
  • Species identification with safety guidance
  • Seasonal forecasting and predictions
  • Expert prevention tips
  • AI-powered tick identification
  • Offline access
Features
Read full description

Transforming research into life-saving disease prevention intelligence. Get real-time risk assessments for ticks, mosquitoes, and disease-carrying insects before outdoor activities. Built on 5+ years of field research by epidemiologist Ellie Fausett, Vector Guard gives expert-level prevention knowledge for hikers, families, and outdoor workers. KEY FEATURES: - Real-time vector risk maps for any location - Species identification with safety guidance - Seasonal forecasting and 7-day predictions - Expert prevention tips from PhD research - AI-powered tick identification camera - Offline access for remote areas Unlike generic bug ID apps, Vector Guard uses actual field data from PhD-level research. Every risk assessment is validated by real epidemiological studies. Starting with tick-borne diseases in North America, expanding to malaria and dengue prevention worldwide. Technology serving humanity's most vulnerable populations. Perfect for hikers, campers, families, park rangers, outdoor workers, and anyone who values science-based disease prevention. Privacy Policy URL: https://vectorguard.app/privacy Terms of Use (EULA) URL: https://vectorguard.app/terms

Screenshots

Knots 3D4 screens
Vector Guard4 screens

Verdict

The call

The clearest difference is price: Vector Guard at Free against Knots 3D's $5.99. Knots 3D's advantage is in-app purchases (none vs 2) and ratings volume (13K vs 49). On rating, review sentiment, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Vector Guard is free to download; Knots 3D costs $5.99 up front. Vector Guard sells 2 in-app purchases, starting at $4.99 per month. Knots 3D asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Knots 3D against 4.9 for Vector Guard. That said, the two scores are not equally well evidenced: Knots 3D has 13K ratings behind it against 49, so its average is the more settled of the two. Written reviews are what separate them: 98% of Knots 3D's written reviews are positive against 100% of Vector Guard's.

UpkeepUpdate frequency

Knots 3D ships an update every 2 weeks, Vector Guard weekly. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

Scorecard6 real differences · 5 level
Knots 3D versus Vector Guard: the parameters behind the verdict, then further details
ParameterKnots 3DVector Guard
Price$5.99Free — better
Rating4.9 (13K ratings)4.9 (49 ratings)
Positive reviews97.8% of reviews100.0% of reviews — better
Number of ratings13K — better49
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#2 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size520 MB55 MB
Age rating4+12+
DeveloperNynixBUILT BY FOUNDRY, INC.

Customer experience

Knots 3D

All ratings12,839 ratings
Positive98.3%
Neutral0.9%
Negative0.8%
Written reviews632 reviews
Positive97.8%
Neutral0.9%
Negative1.3%

Vector Guard

All ratings49 ratings
Positive98.0%
Neutral2.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Knots 3D

Reported bugs

1 issue
  • Favorites list disappearing after updates

Requested features

4 requests
  • Add more splices and advanced knots
  • Implement step-by-step instructions and ability to pause/rewind animations
  • Add a continuous loop option for the knot animations
  • Introduce a game mode or practice feature

Vector Guard

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Knots 3D

No in-app purchases

2 purchases

Vector Guard

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Annual7 Days trial$39.991 Year

Questions

Is Knots 3D free?
Knots 3D costs $5.99, with no in-app purchases.
Is Vector Guard free?
Vector Guard is free to download, with in-app purchases available.
Which has better reviews, Knots 3D or Vector Guard?
Knots 3D and Vector Guard are both rated 4.9 out of 5 on the App Store, from 13K and 49 ratings respectively.
Do Knots 3D or Vector Guard have ads?
Neither Knots 3D nor Vector Guard shows ads.
Which is updated more often, Knots 3D or Vector Guard?
Knots 3D ships an update every 2 weeks, and Vector Guard weekly. Most recently, Knots 3D was updated on October 14, 2026 and Vector Guard on September 30, 2026.

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