Best Nautical Speed Apps

250+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated August 2026

If you already know Speedometer ×, this is the deeper bench. 250+ nautical speed apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Nautical Speed Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Speedometer ×Speedometer ×Free4.6★ (818)YesYesAug 2026
2Boat Speed in KnotsBoat Speed in KnotsFreeNoNoAug 2026
3Nautic Speed and CompassNautic Speed and Compass$1.994.3★ (11)NoNoAug 2026
4Speed Tracker: GPS SpeedometerSpeed Tracker: GPS SpeedometerFree4.6★ (6.2K)YesYesAug 2026
5iNavX: Marine NavigationiNavX: Marine NavigationFree4.8★ (22K)YesYesAug 2026
6Speed – Simple SpeedometerSpeed – Simple SpeedometerFreeNoNoAug 2026
7Sailing Speed - Boat GPSSailing Speed - Boat GPS$0.99NoNoJul 2026
8BoatSpeed - Big numbersBoatSpeed - Big numbersFreeNoNoJul 2026

Top Picks for Nautical Speed

Speedometer ×#1

Speedometer × by DOUBLE U s.r.o.

speed, average, distance, max
Editor's Choice
🗺️ Navigation
4.6(818 ratings)
FreeAdsIn-App Purchases
Speedometer × screenshot 1
Speedometer × screenshot 2
Speedometer × screenshot 3
Speedometer × screenshot 4
Speedometer × screenshot 5
Speedometer × screenshot 6

Transform your device into a customizable trip computer. Track up to 8 live metrics like speed, distance, and travel time, arranged to your preference. Supports multiple display styles and units for various activities.

Nautic Speed and Compass#3

Nautic Speed and Compass by Toni Dominik Hoffmann

Speedometer for the Boat
Worth Considering
🗺️ Navigation
4.3(11 ratings)
$1.99
Nautic Speed and Compass screenshot 1
Nautic Speed and Compass screenshot 2
Nautic Speed and Compass screenshot 3
Nautic Speed and Compass screenshot 4
Nautic Speed and Compass screenshot 5
Nautic Speed and Compass screenshot 6

Track your boat's speed in various units and monitor your direction with a built-in compass. Set speed limits, view your cruise map, and log your maximum and average speeds. It also displays your heel angle for a comprehensive boating experience.

More Nautical Speed apps to explore

4
Speed Tracker: GPS Speedometer
Speed Tracker: GPS Speedometer
Speed Tracker: GPS Speedometer
Trip Distance and Route Map
Free

This app combines a GPS speedometer with a trip computer to record and analyze your journeys. It offers features like a head-up display for windshield viewing, trip logging with detailed statistics, and map tracking. Export your trip data or share it with others.

GPS speedometerTrip computerHead-up display (HUD)
🗺️ Navigation
(6.2K)
free with in-app purchases
5
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
(22K)
free with in-app purchases
6
Speed – Simple Speedometer
Speed – Simple Speedometer
Speed – Simple Speedometer
Minimalist Speed Tracking
Free
📊 Productivity
(0)
7
Sailing Speed - Boat GPS
Sailing Speed - Boat GPS
Sailing Speed - Boat GPS
Marine speed tracking
$0.99

Transform your phone into a dedicated speed tracker for any watercraft. Ideal for rental boats, kayaks, and small vessels lacking built-in instruments, it offers instant GPS speed readings with excellent visibility.

Instant GPS speed trackingWorks on any watercraftOffline functionality
🗺️ Navigation
(0)
paid
8
BoatSpeed - Big numbers
BoatSpeed - Big numbers
BoatSpeed - Big numbers
Display for yachts
Free
⚽ Sports
(0)
9
SeaVectors: Marine Navigation
SeaVectors: Marine Navigation
SeaVectors: Marine Navigation
NOAA ENC Charts, Winds & Tides
Free

This app provides professional marine navigation with official ENC charts and real-time weather data. It offers advanced instrument displays, alerts for restricted areas and fishing closures, and route planning capabilities for safe and informed voyages.

ECDIS-grade ENC chartsReal-time marine conditionsCustomizable instrument panel
🗺️ Navigation
(0)
free with in-app purchases
10
Knop
Knop
Knop
by Christian Tuen
Free
🔧 Utilities
(0)
11
Speed - GPS Speedometer [Metric]
Speed - GPS Speedometer [Metric]
Speed - GPS Speedometer [Metric]
by Michael Gittens
Free

This application displays your current speed using GPS. It is designed to show speed in kilometers per hour and temperature in Celsius. An active GPS connection is required for the app to function.

Displays current speed via GPSShows temperature in CelsiusRequires active GPS connection
🔧 Utilities
(1)
free
12
GPS Speed: Speedometer Tracker
GPS Speed: Speedometer Tracker
GPS Speed: Speedometer Tracker
Measure Your Speed & Distance
Free
🔧 Utilities
(0)
13
Boat Buddy - Nautical Guide
Boat Buddy - Nautical Guide
Boat Buddy - Nautical Guide
Boat GPS, tides & logbook
$1.99
🔧 Utilities
(0)
14
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Free

This app provides comprehensive tools for marine navigation, including real-time ship movement, route planning, and advanced sailing calculations. It also offers features for collision avoidance, maneuvering, and learning maritime regulations and signaling.

Real-time ship movementRoute planningMercator and Great Circle sailing
🗺️ Navigation
(1)
ad-supported
15
Ship Tracker - Live Radar
Ship Tracker - Live Radar
Ship Tracker - Live Radar
Marine GPS, AIS & Traffic Map
Free
✈️ Travel
(0)
16
Knotmeter
Knotmeter
Knotmeter
by SKALO AB
$1.99

This application measures and displays the speed of boats and other watercraft. It shows speed in both knots and km/h, and tracks average and top speeds until reset.

Measures boat speedDisplays speed in knots and km/hTracks average speed
🗺️ Navigation
(1)
paid
17
Mila's Speed Converter PRO
Mila's Speed Converter PRO
Mila's Speed Converter PRO
Kmh to Mph Velocity Calculator
Free
🔧 Utilities
(0)
18
Dutchman's Log
Dutchman's Log
Dutchman's Log
by Colin Porteous
$2.99
🗺️ Navigation
(0)
19
Hull Speed
Hull Speed
Hull Speed
GPS speedometer, in knots
Free

This app provides sailors with a clear and accurate GPS speedometer displaying speed in knots. It features a live trend graph to help optimize sail trim and can show your theoretical hull speed for easy comparison. It is designed for privacy with no ads or tracking.

Accurate GPS speed in knotsLive speed trend graphTheoretical hull speed display
🗺️ Navigation
(2)
free
20
Nautical Calculator.
Nautical Calculator.
Nautical Calculator.
Accurate Marine Calculations
Free
🔧 Utilities
(0)

FAQ about Nautical Speed

What are the best nautical speed apps for iPhone?
Speedometer × tops our nautical speed apps ranking as of August 2026, with a 4.6-star average from 818 App Store ratings, and it's free to download.
Yes — 15 of the top nautical speed apps we rank are free to download, including Speedometer × and Boat Speed in Knots.
Speedometer × shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ nautical speed apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Speedometer × turns your device into a comprehensive trip computer. It displays various live metrics such as current speed, average speed, distance traveled, and travel time, allowing you to customize what information is shown on your screen.
Key features include a customizable display with up to 8 live metrics, multiple display styles (digital, analog, hybrid), and support for various speed and distance units like mph, km/h, miles, and kilometers. You can also track stationary time and clock.