Normal is different for everyone. SmartWC learns your baseline.
Lab reference ranges are made for everyone, so they fit no one exactly. SmartWC compares every measurement with your own values. The more you use it, the better you get to know yourself.
We want to find out whether deviations from your baseline let us recognise outside influences.
Illustrative example modelled on one participant of our 2026 study.
Your baseline is as individual as you are.
What you eat, how much you drink and how active you are shape your baseline. In our study it ranged from pH 5.9 to 6.8, depending on the person. It moves from day to day, and when a day stands out, SmartWC flags it.
Illustrative example based on the range of baselines in our study.
Same toilet. Two very different baselines.
Two people used the same SmartWC for over two weeks. Their urine pH was almost a full unit apart. Food, exercise and much more shape a baseline. We are working out what matters most.
Same unit and calibration, 8–25 Sept 2026 (p = 0.009).
Developed and tested in Zurich.
We built the electronics, firmware, housing and app ourselves. Our study has been running in real households since September 2026.
26 people in 5 households use our prototype. We learn how baselines form and what changes them.
A controlled study shows whether our measurement can tell how much someone has drunk.
A new housing, better sensors and an app you can use at home.
Set up in a minute. Then it runs on its own.
Clip it to the rim
The hook holds the probes in the urine stream. Connect it to your Wi-Fi once.
Tap to say who you are
One tap tells the sensor who is there, so the whole household can use the same toilet.
See your values in the app
Your values, and how today compares with your baseline.
No cartridges · No charging · No sample cups · Fits most toilets
A daily view of your body, without effort
SmartWC is for anyone who wants to know how food, drinks and daily life show up in their body.
- How much you drink, from urine concentration
- How your diet shifts your pH
- Alerts when a day stands out for you
Protecting older people from dehydration
One of our goals is to support care homes and older people, for example during heatwaves, by keeping an eye on hydration and electrolyte balance and catching dehydration early.
Interested?
SmartWC is not for sale yet. Leave your email and we will be in touch.

