N of 1 App
Your lab for self-improvement
About
This app allows you to conduct personal scientific trials to understand how interventions affect your individual body. It guides you through control and treatment phases, presenting clear results in plain English.
What's New in N of 1 App
1.1
June 12, 2026
Updated App Name. Fixed handling of iPhone push notifications
FAQ
What is N of 1 App?
N of 1 App is a self-experimentation tool that helps you run personal trials to understand how specific interventions affect your body. It uses a scientific framework to compare your baseline data with data collected during an intervention phase.
How does N of 1 App work?
The app guides you through two phases: a control phase to track your baseline and a treatment phase where you introduce an intervention. It then compares the data from both phases to show you what changed.
What kind of experiments can I run with N of 1 App?
You can experiment with various interventions, such as the impact of magnesium on sleep, or the effectiveness of a new habit. The app provides an example experiment for magnesium glycinate and sleep.
How long do daily check-ins take with N of 1 App?
Daily check-ins with N of 1 App take under 60 seconds, making it easy to consistently track your progress and data.
Are the results from N of 1 App easy to understand?
Yes, results are presented as clear charts with a plain-English summary, avoiding jargon and exaggerated claims. The focus is on presenting your personal numbers.
What devices does N of 1 App support?
N of 1 App is available on iPhone, iPad, and iPod, indicating broad Apple device compatibility.
Is N of 1 App suitable for younger users?
N of 1 App has an age rating of 17+, suggesting it is intended for adult users due to the nature of self-experimentation and data analysis.
Does N of 1 App have ads?
No, N of 1 App does not contain advertisements, providing an uninterrupted user experience.