Tap into your happier, healthier self!


No extra gadgets.

Lark analyzes your data from the health sensors you always have with you—on your phone.

iOS 8 exclusive and HealthKit-powered.

Link to Apple's Health app to create meaning out of your activity, sleep, and nutrition data.

As natural as texting.

A simple chat with Lark shows you insights about your own health data.

Share more to get more.

Lark gets smarter and more personal the more you use it.


Lark works on low-power sensors, so you don’t need to worry about draining your battery.

You're the expert.

Designed by world-renowned Lark Health Committee to make you the expert on you.