Install the study app
After onboarding, you receive a secure link to download the custom Screentime Challenge app.
About 10 minutes
How the study works.
A short setup, one week of passive measurement, and a personal report at the end.
Share usage access
The app reads phone-use data for the study. Your number is used for study messages only.
Android only
Keep it for 7 days
Keep the app installed through the week, then receive personal insights and research-backed suggestions.
Personal report
Ready for the fit check?
Eligibility takes less than a minute.