Study to Evaluate the Usability and Value of Integrated Digital Solutions in Medical Care of Participants With Multiple Sclerosis

Inclusion Criteria: * Able to comply with the study protocol, including having a smartphone and being able and willing to access the icompanion ms patient app on a regular basis. To use all functionalities of the icompanion ms patient app, the user's smartphone must comply with the minimum system requirements (Android version 5.0 or above, iOS version 11 or above) * Have a valid email address (for registration of icompanion ms) * Have a definite diagnosis of RRMS * Time since MS diagnosis ≥1 year * Medical history recorded for at least 1 year before enrollment * Expanded Disability Status Scale (EDSS) \<5.5 Exclusion Criteria: * Any contra-indications to using icompanion ms patient app or website, as per the investigator's discretion * Inability to complete an MRI * Currently involved in an interventional trial * Diagnosis of progressive MS (primary progressive multiple sclerosis \[PPMS\] or secondary progressive multiple sclerosis \[SPMS\])