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N-Of-1 Trials Made Easy!

StudyU is the only available fully‑functional platform
for personalized N‑of‑1 treatment advice.

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Discover the Power of N-of-1

N-of-1 trials enable participants to discover the individual effects of interventions on their health. StudyU provides the supporting digital foundation.

Personalized by Design

N-of-1 trials focus on the individual – and so does StudyU. Conduct your own studies or partake in others. It's your choice.

Open Source for Everyone

StudyU is developed completely open source with self-hosting capabilities, guaranteeing a maximum of transparency and data privacy.

The StudyU Platform

StudyU Designer

The StudyU Designer is a web-based application supporting the design and implementation of digital N-of-1 trials for clinicians, researchers, or digital health enthusiasts. With its user-centric design framework, the StudyU Designer improves usability with many supportive features during the study creation process. Notably, it includes a preview function that provides a real-time visualization of the study design. Besides running private N-of-1 trials, seamless collaboration with other researchers is also supported by sharing studies, fostering collaboration and transparency in the spirit of public health and open science.

Refer to our tutorial to learn how to conduct your first digital N-of-1 trial or start designing your own study at

Screenshot of the StudyU DesignerScreenshot of the StudyU DesignerScreenshot of the StudyU Designer

StudyU App

The StudyU App is a user-friendly application that enables individuals to actively participate in digital N-of-1 trials and obtain personalized treatment advice. Its accessible design approach accommodates users with limited technical skills, allowing them to directly measure the impact of interventions on their health outcomes. By engaging patients in the trial process, the StudyU App promotes patient empowerment and facilitates shared decision-making between researchers, clinicians, and individuals. The StudyU App leverages the capabilities of statistical computing and advanced machine learning models to identify the optimal intervention tailored specifically to your unique needs and circumstances.

Have a look at our tutorials to learn how to use the StudyU App as a general practitioner or participant. StudyU is available as a mobile application and as a web version at

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Screenshot of the StudyU App

StudyU in collaboration with clinical studies

HPI Mount SinaiMount SinaiWeill CornellUniversity of Queensland
Universitätsklinikum Hamburg-EppendorfCharitéUniklinikum WürzburgRobert-Bosch-Krankenhaus Stuttgart