Best Knots Marine Apps & Games

172+ iOS apps & games curated and reviewed

4.6 avg rating
15 free apps & games
Updated May 2026

With an average user rating of 4.6★, the knots marine category is one of the App Store's strongest. Browse all 172+ apps and games we track, sorted so the most loved ones surface first.

Top Picks for Knots Marine

Buoycast: NOAA Marine Weather#2

Buoycast: NOAA Marine Weather by Skipjack Studios, LLC

Buoy Data, Marine Forecast
Strong Contender
☀️ Weather
4.6😊(13K ratings)
FreeAdsIn-App Purchases
Buoycast: NOAA Marine Weather screenshot 1
Buoycast: NOAA Marine Weather screenshot 2
Buoycast: NOAA Marine Weather screenshot 3
Buoycast: NOAA Marine Weather screenshot 4
Buoycast: NOAA Marine Weather screenshot 5
Buoycast: NOAA Marine Weather screenshot 6

Access real-time marine weather observations from NOAA buoys and NOAA marine forecasts. Get tide predictions, hourly forecasts, and stay updated on watches and advisories. Pro features include interactive weather maps and custom notifications.

What We Love

  • 👍 Accurate and dependable forecasts
  • 🚀 Essential for boating and fishing
  • 💡 Provides critical weather and sea condition data
  • 🤝 Responsive customer service

Room to Improve

  • 🐛 Inconsistent data availability for some locations
  • 🔍 Difficulty finding specific location data
  • 💰 Aggressive upselling for paid version

More Knots Marine apps to explore

4
Animated Knots by Grog
Animated Knots by Grog
Animated Knots by Grog
Learn to tie over 195+ knots!
$4.99

Learn to tie over 195 knots with step-by-step animated instructions. This comprehensive reference app is organized by activity and type, offering detailed information on each knot's use, advantages, and safety.

195+ animated knotsStep-by-step animationsOrganized by activity category
🔍 Reference
(296)
paid
5
Knot Guide
Knot Guide
Knot Guide
Essential knots for any use
$2.99

Learn to tie a wide variety of essential knots with this comprehensive guide. It provides step-by-step instructions for over 200 knots, making it a valuable resource for DIY enthusiasts, outdoor adventurers, and anyone needing to master knot-tying techniques.

Extensive knot library (202+ knots)Step-by-step instructionsSuitable for various uses
🔧 Utilities
(447)
free with in-app purchases
6
Go Knots 3D
Go Knots 3D
Go Knots 3D
You're going knots!
Free

Engage in a challenging puzzle game where you must untangle colored chains by sorting them onto poles. Avoid getting tangled to progress through increasingly complex levels. Test your logic and spatial reasoning skills.

3D chain sorting puzzlesUntangle colored chainsAvoid getting tangled
🎮 Games
(152K)
free with in-app purchases
7
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management
🗺️ Navigation
(21K)
free with in-app purchases
8
Knots 3D
Knots 3D
Knots 3D
Learn 220+ ties & hitches
$5.99

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+ categoriesOffline access, no internet requiredInteractive 3D knot animations
🔍 Reference
(12K)
free
9
Fishing Knots FishPlanet
Fishing Knots FishPlanet
Fishing Knots FishPlanet
Encyclopedia of knots
Free

This app serves as a mobile encyclopedia for tying fishing knots. It provides detailed, illustrated, step-by-step guides for various knots, including their properties, strength reduction, and recommended line types. The app works offline and categorizes knots for easy access.

Step-by-step knot tying guidesIllustrated instructionsKnot strength reduction details
🔍 Reference
(19K)
free with in-app purchases
10
Knots Tying Guide: KnotSmith
Knots Tying Guide: KnotSmith
Knots Tying Guide: KnotSmith
3D animated knot for climbing
Free

Master over 100 essential knots with a 3D animated visual guide. Features step-by-step tutorials for climbing, sailing, fishing, and more. Works offline, providing clear, real-photo demonstrations for perfect knot tying.

3D visual learning with animated-style progressionReal, professional hand-tied knot photographyExtensive knot library for climbing, sailing, fishing, and more
🔍 Reference
(81)
free with in-app purchases
11
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Maps & Fishing Spots
Free

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

Detailed vector marine chartsRoute planning and editingVoice-guided navigation
🗺️ Navigation
(14K)
free with in-app purchases
12
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Marine Maps
$8.99

Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.

NOAA Electronic Navigational Charts (ENC)Offline chart downloadsDetailed chart information
🗺️ Navigation
(3.7K)
free
13
West Marine Pro
West Marine Pro
West Marine Pro
Boat Parts & Marine Supply
Free

Access a vast catalog of over 100,000 wholesale marine products for boatyards, charter services, and marine businesses. Find parts, check real-time inventory and pricing, and manage orders efficiently on the go.

Comprehensive product catalogWholesale pricingAdvanced search tools
🛍️ Shopping
(555)
free
14
Knot Guide (Lite)
Knot Guide (Lite)
Knot Guide (Lite)
Essential knots for any use
Free

Learn to tie a wide variety of essential knots with this comprehensive guide. It offers detailed instructions and visual aids for over 200 different knots, suitable for various practical applications.

Over 200 knots includedDetailed instructionsVisual aids for learning
🔍 Reference
(362)
free with in-app purchases
15
Fishbrain - Fishing App
Fishbrain - Fishing App
Fishbrain - Fishing App
Fish Spots, Maps & Identifier
Free

Discover new fishing locations, access detailed local information, and connect with a large community of anglers. Improve your fishing skills with advanced maps, weather forecasts, and catch tracking tools.

Fishing maps with advanced layersDetailed fishing water informationCatch reports and bait recommendations
⚽ Sports
(67K)
free with in-app purchases
16
Fishbox - Smart Fishing App
Fishbox - Smart Fishing App
Fishbox - Smart Fishing App
Spots Map, Lures, Baits, Knots
Free

This app is your ultimate fishing companion, offering interactive maps, real-time forecasts, and AI-powered insights to help you catch more fish. Discover optimal spots, learn expert techniques, and get personalized recommendations for baits and lures.

Interactive fishing mapsReal-time weather and bite forecastsAI-powered bait and lure recommendations
⚽ Sports
(36K)
free with in-app purchases
17
Fishing App - Pro Angler
Fishing App - Pro Angler
Fishing App - Pro Angler
Fish Identifier, Spots & Maps
Free

This comprehensive fishing application offers extensive data on fishing spots, marine weather, tide charts, and a detailed guide to global fish species. It provides local fishing reports, regulations, and navigation tools to enhance your angling experience, whether you're a beginner or a seasoned angler.

110,000+ Fishing Hot SpotsMarine Weather & TidesAngler Fish Species Guide
⚽ Sports
(6K)
free with in-app purchases
18
GPS Speedometer MPH Tracker
GPS Speedometer MPH Tracker
GPS Speedometer MPH Tracker
Speed Limit Alert HUD Meter
Free

Track your speed, distance, and altitude with precision. Features include real-time GPS tracking, trip recording, and a heads-up display for safer driving. Advanced options offer speed limit alerts and picture-in-picture mode.

Real-time GPS speed trackingComprehensive trip computerTrip recording with route tracking
🗺️ Navigation
(13K)
freemium
19
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
by MiraTrex, Inc
Free

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

High-resolution NOAA nautical chartsOffline chart accessWaypoint and route creation
🗺️ Navigation
(8.5K)
free with in-app purchases
20
NOAA Marine Weather & Forecast
NOAA Marine Weather & Forecast
NOAA Marine Weather & Forecast
Predict wind, swell, and waves
Free

This app provides real-time wind, wave, and weather predictions for maritime activities. It features intuitive charts, station search, and customizable subscription plans to enhance your experience on the water.

Accurate wind, wave, and weather predictionsIntuitive wind, wave, and weather chartsStation search with custom suggestions
☀️ Weather
(5K)
free with in-app purchases