This Little Zepp Sensor Will Map Your Golf, Basball or Tennis Swing On Your iPhone


What if you could duct tape your iPhone to your baseball bat, tennis racquet or 9-iron, and use the iPhone’s motion sensors to plot your swing in your favorite sport? It’d be messy, sure, and awkward, trying to adapt your grip over the slab of phone. And then there’d be the hours of scraping duct-tape residue off the screen when (if) you recovered it from where it landed after it flung itself off during that home-run swing. And after all that you’d need an app that actually made sense of all the data.

Forget all that, and keep your iPhone in your pocket. Zepp Labs has come out with a small, light (1-inch square, 6.3 grams) sensor that attaches, via specialized rubber housings, to golf gloves, baseball bats or a tennis racquets; the sensor records your swing in three dimensions, then sends the data directly to a companion app on your iPhone via Bluetooth. The resulting 3D image of your swing can be viewed from any angle, and gets analyzed by the app.

The sensor runs on an ARM processor that can record a thousand data points per second, and is powered by an eight-hour battery.

If you’re not keen on running around and smacking things with an iPhone in your pocket, the sensor can store information (Zepp Labs says it can store 2,000 golf and tennis swings, or 200,000 tennis swings) before the data needs to be emptied onto an iPad or iPhone.

The Zepp Multi-Sport Training System should be out next month at $150.

  • nmkerr

    What the hell is Basball? I guess proofreading is out of fashion with internet “journalists.”

  • norb

    I always wonder about things like this and how much information can you really get out of it. If you really think about it, as long as it posts anything remotely close to what you did, you will think it’s accurate.

About the author

Eli MilchmanWhen he was eight, Eli Milchman came home from frolicking in the Veld one day and was given an Atari 400. Since then, his fascination with technology has made him an intrepid early adopter of whatever charming new contraption crosses his path — which explains why he's Cult of Mac's test editor-at-large. He calls San Francisco home, where he works as a journalist and photographer. Eli has contributed to the pages of and BIKE Magazine, among others. Hang with him on Twitter.

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