Staying properly hydrated sounds simple, but for many people it is surprisingly difficult to track consistently, as reported by CNET. At CES 2026, health-tech startup Vivoo unveiled a new smart toilet sensor designed to quietly monitor hydration levels and nudge users to drink more water without requiring manual tracking or wearable devices.
Rather than being a full smart toilet, the Vivoo system is a compact strap-on sensor that fits inside almost any standard toilet. The device attaches discreetly to the bowl and analyzes urine each time the toilet is used. Within minutes, the system sends hydration insights to a companion smartphone app, offering a snapshot of whether the user is underhydrated, adequately hydrated, or trending toward dehydration.
According to Vivoo founder Miray Tayfun, the goal is to remove friction from hydration tracking. Instead of relying on self-reporting or remembering to log water intake, the sensor automatically collects data during a routine daily activity. Over time, the app does more than deliver one-off readings. It tracks patterns, identifies habits, and provides guidance aimed at maintaining consistent hydration rather than reacting only when levels drop.
The company positions the sensor as a general wellness tool rather than a medical diagnostic device. It is intended for everyday users who want better insight into their hydration, including athletes, office workers, and people who struggle to drink enough water throughout the day. Because the sensor never comes into direct contact with the user and can be removed and stored in a dedicated case when not in use, Vivoo says hygiene concerns were a key design priority.
Pricing reflects its consumer focus. Vivoo is offering the smart toilet sensor at an introductory price of $99, followed by a $3 monthly subscription after the first three months. Once the early offer ends, the hardware price is expected to rise to $129, with a $6 monthly fee. The subscription covers ongoing app features, data analysis, and personalized hydration guidance.
While smart bottles and wearables already exist, Vivoo’s approach stands out by embedding hydration tracking into a passive, unavoidable daily routine. If the system proves accurate and reliable outside controlled demos, it could represent a shift in how personal health data is collected, moving away from constant user input and toward background monitoring that works without effort.
As hydration is linked to energy levels, cognitive performance, and long-term health, Vivoo is betting that a sensor most people never have to think about could succeed where reminders and apps often fail.
