Knots 3D vs ANCAP RESCUE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
ANCAP RESCUE
This app offers emergency responders immediate access to critical vehicle safety data. It details potential hazards within vehicles, such as fuel tanks, high-voltage batteries, and airbag components, to aid in rescue operations.
- Quick access to vehicle safety information
- Identifies in-vehicle hazards
- Details fuel tank locations
- Highlights high-voltage battery information
- Locates airbag inflators and seatbelt pre-tensioners
- Information on gas struts and high-strength steel
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ANCAP RESCUE provides emergency responders with quick access to important vehicle safety information for a range of new and used vehicle makes and models. Rescue Sheets contained within the app identify key in-vehicle hazards including fuel tanks, high voltage batteries, airbag inflators, seatbelt pre-tensioner inflators, gas struts and high strength steel.
Screenshots
Verdict
The clearest difference is price: ANCAP RESCUE at Free against Knots 3D's $5.99. Knots 3D's advantage is rating (4.9 vs 3.0) and review sentiment (98% vs 67%). On ads, in-app purchases, monetization model and device support 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
ANCAP RESCUE is free to download; Knots 3D costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Knots 3D holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Knots 3D has 13K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 98% of Knots 3D's written reviews are positive against 67% of ANCAP RESCUE's.
Knots 3D ships an update every 2 weeks, ANCAP RESCUE every 6 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.
| Parameter | Knots 3D | ANCAP RESCUE |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.9 (13K ratings) — better | 3.0 (5 ratings) |
| Positive reviews | 97.8% of reviews — better | 66.7% of reviews |
| Number of ratings | 13K — better | 5 |
| Update frequency | Every 2 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #2 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 523 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Nynix | ANCAP |
Customer experience
Knots 3D
ANCAP RESCUE
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
ANCAP RESCUE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Knots 3D
No in-app purchases
ANCAP RESCUE
No in-app purchases
Questions
Is Knots 3D free?
Is ANCAP RESCUE free?
Which has better reviews, Knots 3D or ANCAP RESCUE?
Do Knots 3D or ANCAP RESCUE have ads?
Which is updated more often, Knots 3D or ANCAP RESCUE?
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