Charge
0 – 100%
How recovered you are this morning. One fixed reading after you wake, built from your sleep and overnight signals.
Now in beta on Android
Your daily rhythm, in three numbers.
Qronos turns your wearable data into Charge, Load and Sleep — a clear read each morning on how ready you are and how hard you have been going.
Free beta for Android
40%Charge
10.0Load
83%Sleep
Three numbers. One honest picture.
No streaks, no noise. Just the signals that matter for deciding how hard to go today.
Load
0 – 21
How much your day has asked of your body, on a 0–21 scale. Workouts, movement and logged activities all count.
Sleep
0 – 100%
How well last night covered what you needed, as a percentage — with the detail behind it.
Designed to be read in a glance.
Dark, calm and quick. Open it, see where you stand, get on with your day.
How it works
-
1
Wear your device
Best suited to Fitbit Air and equivalent wearables that write to Google Health Connect.
-
2
Health Connect syncs
Qronos reads heart rate, sleep and activity records you allow — nothing more.
-
3
Your phone does the math
Scores are calculated on your device and calibrate to you over time. No max heart rate to type in.
Your data stays on your phone.
Qronos gets its data from Google Health Connect and processes all of it on the device. Nothing is sent to or processed on our servers.
Read the privacy policyStart reading your rhythm.
Join the beta and see your first Charge tomorrow morning.
Get it onGoogle PlayFree beta for Android