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HullSpeed is a sailing and boating GPS speedometer for Apple Watch and iPhone. Track live boat speed, record voyages, view routes, and export GPX, KMZ, or CSV.
I often sail smaller sailboats without electronics or instrumentation, and I wanted a way to measure the speed of my boat with my Apple Watch. There was no lack of speedometer apps for Apple Watch and iPhone, but I couldn’t find one I really liked. Some would go idle and stop showing the speed on my watch while sailing, requiring me to re-launch the app (annoying when solo sailing). Others did not have the legibility I wanted on my watch (I wanted a big speed readout and few other things besides a trend chart). Some apps turned out to be bloatware with features I didn’t need (like social features). Many had subscription fees, which I didn’t want to pay. So I created my own.
The core feature is a simple GPS speedometer, which also saves your track and allows you to export your data. I also added a real-time view on your iPhone that shows a map and your projected location based on your current speed (a feature I liked from marine navigation apps, but I often didn’t want to pay full price for a marine chart app just for that). I also added a Live Activity because I’d often forget to hit Stop after a voyage, and with the Live Activity showing on my phone, it’s a great reminder that a voyage is being recorded.
I use this app myself daily and I hope others find this as useful as I do!
Does the app pull speed directly from the Watch's GPS or does it need to pair with an iPhone for accurate readings out on open water?
Does it pull speed from the watch's GPS directly or hook into the boat's NMEA network for more accurate readings in tricky conditions?
Finally tried HullSpeed on my phone during a quick sail and the live speed readout felt spot-on even in choppy water, plus exporting the GPX took seconds.
Solid little app, the wrist readout is actually fast enough to trust under sail. Liked that I could dump a GPX after a day out without fiddling.
About HullSpeed on Product Hunt
“A better boat speedometer”
HullSpeed was submitted on Product Hunt and earned 8 upvotes and 8 comments, placing #62 on the daily leaderboard. HullSpeed is a sailing and boating GPS speedometer for Apple Watch and iPhone. Track live boat speed, record voyages, view routes, and export GPX, KMZ, or CSV.
HullSpeed was featured in iOS (110.5k followers), Apple Watch (5.8k followers) and Outdoors (7.7k followers) on Product Hunt. Together, these topics include over 38.9k products, making this a competitive space to launch in.
Who hunted HullSpeed?
HullSpeed was hunted by Jackson Myers. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how HullSpeed stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Jackson Myers
I often sail smaller sailboats without electronics or instrumentation, and I wanted a way to measure the speed of my boat with my Apple Watch. There was no lack of speedometer apps for Apple Watch and iPhone, but I couldn’t find one I really liked. Some would go idle and stop showing the speed on my watch while sailing, requiring me to re-launch the app (annoying when solo sailing). Others did not have the legibility I wanted on my watch (I wanted a big speed readout and few other things besides a trend chart). Some apps turned out to be bloatware with features I didn’t need (like social features). Many had subscription fees, which I didn’t want to pay. So I created my own.
The core feature is a simple GPS speedometer, which also saves your track and allows you to export your data. I also added a real-time view on your iPhone that shows a map and your projected location based on your current speed (a feature I liked from marine navigation apps, but I often didn’t want to pay full price for a marine chart app just for that). I also added a Live Activity because I’d often forget to hit Stop after a voyage, and with the Live Activity showing on my phone, it’s a great reminder that a voyage is being recorded.
I use this app myself daily and I hope others find this as useful as I do!