Boat Speedometer: Hull Speed

Boat Speedometer: Hull Speed

Sailing•Watersports•GPS•Watch

15 ratings
8 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 12, 2026
  • September 8, 2026

Features

Background Location Access

Boat Speedometer: Hull Speed video #1 for iPhone
Boat Speedometer: Hull Speed screenshot #2 for iPhone
Boat Speedometer: Hull Speed screenshot #3 for iPhone
Boat Speedometer: Hull Speed screenshot #4 for iPhone
Boat Speedometer: Hull Speed screenshot #5 for iPhone
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About

This marine speedometer offers a clear, easy-to-read display of your boat's current speed, designed for quick checks while sailing or boating. It records voyages, tracks key metrics, and integrates with Apple Health for heart rate monitoring.

✓High-contrast live speed display
✓Apple Watch and Live Activity support
✓Voyage recording with detailed metrics
✓Route history and CSV/KMZ export
✓Apple Health integration for heart rate
✓Simple, clutter-free interface
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What's New in Boat Speedometer

1.19

September 8, 2026

This update improves the voyage log view: •Better voyage details •Better share images •More organized voyage list

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In-App Purchases

$5.99

Hullspeed Pro

Upgrade to pro to unlock all features

User reviews

Sailboat racer

I have a TackTick Racemaster, which costs at least $700 or more than a hundred times as much as the HullSpeed app. Yet I find the capabilities of HullSpeed to be indispensable for sailboat racing and just navigating using the moving map feature. I particularly like being able to have speed in 0.01 increments displayed on my iWatch. Speed must be displayed in FRACTIONS of a knot per hour to be useful when racing. Most speed apps only display multiples of 1 knot or mile per hour which is not precise enough. Having a log of the race (voyage) is fun too. Even if you never race you gotta have this app for navigation.
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Response from developer

Thank you for your kind review! I built the app to use myself when sailing J80s in Boston Harbor, and I love hearing that other sailors are using it and finding it useful as well. I made it not only because I was sick of subscriptions but like you said, I wanted precision and legibility on the water. It wasn't intended for navigation but I frequently use the distance projection feature to estimate how far I am from shore (remember to use a real chart when trying to avoid shoals etc). I hope it continues to be useful for you and please reach out if you ever encounter any issues or have any feature requests. Thanks again for supporting this small independent sailing app project!

A must-have for Boaters!

Hull Speed is a great app for anyone who spends time on the water. It’s easy to use and really helpful for planning boating trips, tracking your time on the water, and getting useful information for your boat. Simple, practical, and something I’ll definitely be using throughout the boating season. Highly recommend it for fellow boaters!
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Response from developer

Thanks for your review! I'm glad you're finding it as useful as I am. My intent was to keep it simple but enable the features that really matter at a reasonable price. Please each out if you ever encounter any issues or have any ideas about how I can make it even better.

Good

It is a good and well priced app. The only problem I have I cannot swipe to the third screen on iPhone 13 mini. It keeps scrolling the map on 2nd screen instead.

Response from developer

Thanks for letting me know about this - I hadn't tested on the Mini. I will look into it. On my iPhone 17 pro I can scroll to the 3rd screen by tapping on the speed/distance display or the map color legend. I assumed you could do so on the mini as well. Feel free to send me an email and I can send you a beta version to test. EDIT: I tested this on a simulated iPhone 13 mini and it works exactly the same as other devices. To navigate between the screens tap and drag on the legend at the bottom, not the map itself. If you need more help feel free to reach out to me and I can definitely help you with this.

Fair winds and following seas

This app is super useful. I love that I can get basic speed on my watch and a few other goodies without a subscription. Yay for Hull Speed!

Response from developer

Thanks for your review. I'm happy to know you like the app!

A super accurate and reliable speedometer

This app works great when kayaking even though it’s designed for sailing. It’s better than the app I was paying a monthly fee to use.

Response from developer

Thanks for your kind review. While I designed it for sailing specifically, it's good to hear it works well for Kayaking as well!

Developer apps

FAQ

What is Boat Speedometer's main function?

Boat Speedometer provides a large, high-contrast display of your boat's current speed, designed for quick, at-a-glance readability. It's ideal for sailing, dinghy racing, and cruising.

Does Boat Speedometer have ads?

No, Boat Speedometer is ad-free. The app is free to download and use, with an option for a one-time in-app purchase to unlock continued use.

How does Boat Speedometer record voyages?

Boat Speedometer records your sailing voyages, tracking distance, duration, average speed, maximum speed, and heart rate. You can also view saved route history and export data as CSV or KMZ.

What devices is Boat Speedometer compatible with?

Boat Speedometer is designed for Apple Watch and iPhone, offering Live Activity support on iPhone for quick checks.

What is the pricing for Boat Speedometer?

The app offers 3 free trial voyages. After the trial, continued use can be unlocked with a one-time in-app purchase, with no subscription required.

How often is Boat Speedometer updated?

The latest version is 1.10, last updated on June 20, 2026. Updates typically address performance improvements and new features based on user feedback.

Can Boat Speedometer track my heart rate?

Yes, Boat Speedometer integrates with Apple Health to measure your heart rate via an Apple Watch, allowing you to monitor your activity levels at sea.

What is the age rating for Boat Speedometer?

Boat Speedometer has an age rating of 4+, making it suitable for a wide range of users interested in boating and sailing.