Study tracker PWA

ISR runs longitudinal studies where participants complete surveys over days or weeks, sometimes while wearing a device like a Fitbit or Samsung Galaxy Watch. Surveys arrived as separate links, so participants had no single place to see what was due, how far along they were, or what they had earned.

I interviewed both participants and researchers to understand needs and pain points in tracking study progress. Participants needed to know what to do next and when they would get paid. Researchers needed fewer drop-offs and fewer support requests.

Participants join from an SMS invite and land in the browser. A PWA meant no download: they sign up once and can add the app to their home screen for quick access.

Home lists every study a participant is enrolled in, with progress and the next task due. Inside a study, tabs separate progress, surveys, payment, and device.

Surveys still run in Qualtrics, the tool researchers already use. The app opens each one in an overlay, so participants return to their progress when they finish.

Earnings update as surveys are completed. Redeem stays disabled until the participant meets the study requirement, with a message saying what is left, then walks them through choosing a payout method.

Studies can use different wearables, such as Fitbit or Samsung Galaxy Watch. A setup checklist gets the participant's device connected early. Once it is synced, the Device tab shows wear streaks, earnings for wearing it, and a personal pattern from their own data, giving them a reason to keep wearing it.

I designed the interface and worked across frontend and backend development with the engineering team, using AI tools across research, design, and development.