Ness is your personal AI health coach
It provides you with daily guidance, based on your sleep, activity, nutrition, and more.

Ness turns your Apple Health and Apple Watch data into daily sleep, recovery, strain, and stress scores.
Try for free




It provides you with daily guidance, based on your sleep, activity, nutrition, and more.

Sleep, recovery, and strain scores help guide your day at a glance. Tap any score to dig in, or ask Ness directly.

Log food or drinks in seconds. Search, chat, voice, photo, or straight from the lock screen.

Ness uses the best AI models, grounded in web search and your health data, to give you answers you can trust.

Upload your labs, and Ness explains what each result means and how it fits the rest of your health data.

Hydration
Log drinks with a tap, image, or even voice.
of 2.5L goal
Stress
An all-day timeline built from heart rate and HRV.
Energy
An hourly view of your energy, built from your stress, rest, and workouts.
Long-Term Trends
Every metric keeps its full history. Compare weeks and months to see what's improving.
Micronutrients
Ness tracks fiber, sodium, vitamins, and minerals from everything you log.
Fiber
28g / 38g
Iron
15mg / 18mg
Vitamin D
11µg / 20µg
Apple Watch App
View scores on the go with a glance, without needing to open your phone.
Ness is available as the Ness app for iPhone and Apple Watch.