iPhone Screenshots


Floodlight Open is a study that we hope one day will allow participants, physicians and scientists to monitor MS symptoms and health over time using a smartphone; the ultimate goal is to develop and create practical tools to improve the lives of people living with MS.

Digital tasks have been designed by leading MS specialists and are based on traditional clinical assessments used to understand the effects of MS on the brain, hands and body.

Floodlight Open is powered by you. The more we know about your personal journey, the more we may learn about MS. Each data point from each person contributes to a unique and open dataset designed to help move MS research forward.

What’s New

Version 1.3.8

Bug Fixes

Ratings and Reviews

1.0 out of 5
1 Rating

1 Rating

Marscomplex ,

Just awful

Touted as the MS App, it’s actually a study.

Unable to authorize consent on the consent form - I get ERROR 403...

App Privacy

The developer, F. Hoffmann-La Roche, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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