Digital Solutions for Concussion

Inclusion Criteria: * 18 or older at the time of inclusion. * Mild TBI as defined by having sustained a head injury with observed or self-reported alteration of consciousness, amnesia, or other relevant acute symptoms. * PPCS according to the ICD-10 research criteria and PTH according to International Classification of Headache Disorders 3rd edition (ICHD-3). Operationalized as reporting 3 or more symptoms (including headache) on a moderate or greater intensity level on the RPSQ. * Proficient in Norwegian language (oral and written) * Signed informed consent Exclusion Criteria: * Serious psychiatric or somatic disease, or other patient-related factors, that based on an evaluation of the study personnel responsible for inclusion, will provide obvious challenges for adhering to the protocol, including using the devices. * Less than three months of experience with smartphones * Not having access to an iOS or Android smartphone