Recovery · Sleep · Body · Fuel · Coach
A band that reads your night. A scale that reads each limb rather than inferring it. A kitchen scale that weighs the portion instead of asking you to name it. Every score opens into the parts that made it, and when we have not measured enough we show you nothing.
Your health data belongs to you. Always.
A recovery score of 61 tells you nothing on its own. Tap it and you see every part that made it: how much came from the variation between your heartbeats, how much from your sleep, how much from your resting heart rate, and which signal was missing that night.
One system. Three parts.
A band for your nervous system, a scale for your body, an app for the meaning. Each is good alone. Together, they see the whole picture.
On your wrist, day and night. It samples heart rate, the variation between your heartbeats, blood oxygen, sleep stages and movement every five minutes, and holds them until your phone collects them. Screenless on purpose: nothing to check, nothing to buzz.
Eight electrodes, a platform for your feet plus a hand bar on a retractable cable. Your left arm, right arm, trunk, left leg and right leg are each read separately, rather than inferred from your feet. Composition is calculated on your own phone.
The part that thinks. It turns every signal into Recovery, Strain, Focus, Stress and your own circadian forecast. Tap any one and it opens into every contribution that made it, as a signed number, sorted by how much it mattered.
Your day, modelled
Give it your bedtime and your wake time and it forecasts the day ahead, then plots the day you actually lived beside it. Scrub the curve.
Your sharpest hours. Schedule the hard, focused work here.
The morning verdict
Each morning Nevou reads your night against your own baseline, not against anybody else's. A signal the band did not capture is dropped from the calculation, never counted as a zero against you.
Last night
The engine
Nevou's scores are not arbitrary. Each one is assembled from published physiology, shown to you factor by factor, with what we saw and what would move it.
Your forecast rests on three things: the roughly 24 hour body clock, the pressure that builds every hour you are awake, and the fog that clears in the first hour after you get up. The three-process framework sleep scientists use (Borbély; Åkerstedt & Folkard), with your own bed and wake times as the only personal inputs.
Readiness is led by the variation between your heartbeats overnight, read against your own baseline rather than a population average, alongside your sleep and your resting heart rate. A signal the band did not capture that night is dropped from the calculation, never scored as a zero.
Strain builds on Banister's training-impulse work, so a hard hour counts for far more than an easy one. It also refuses to count a raised heart rate as training when you were only typing or stressed, because a wrist reads both the same way.
Every score links to a plain-language explanation of how it was computed.
The part nobody advertises
Every tracker has gaps. Most fill them with a number and hope you do not check. These are ours, in writing, before you buy anything.
Nothing at all for three days. Your body age estimate shows no number until day three, and we do not call it established until day twenty one.
Nothing, rather than a low score. When a night is too thin to score, recovery returns nothing at all instead of a number we would have guessed.
A written sentence, not a zero. A night we could not read shows a plain empty state, never "0 out of 100, poor".
A gap stays a gap. Sixty minutes without the band on breaks the line and draws the gap, instead of quietly joining the dots across it.
We tell you how we know. Food you weighed, food you scanned and food estimated from a photo are each marked differently, and a meal only counts as precise when every item in it is.
Privacy-first, by design
Keep it, export it as CSV or JSON, or delete it, at any time. Your body composition is calculated on your own phone, so nothing about your body goes to the manufacturer's servers to work it out.
Good questions
Early 2027
Three devices and one app that share a single model of one person. The band that reads your night. The scale with the hand bar that reads each limb rather than inferring it. The kitchen scale that weighs the portion instead of asking you to name it. It is being finished now, and the people on this list see it first.
Everyone who comes in through the campaign gets the founder price locked: the rate you start at is the rate you renew at, for as long as you renew without a break. When the campaign closes, the lock closes with it.
One email a week until then. One click ends it. Confirm by email, so nobody lands on a list they did not ask for, and your address is never sold.