Inclusion Criteria:  Legal adults With a long COVID-19 diagnose in the last year Reporting any of these symptoms: Fatigue Dyspnea Shortness of breath Anxiety Stress Depression Conduct disorder Sleep disorder  Exclusion Criteria:  Hospital admission during follow-up due to pathology not related to COVID-19 Patients without digital literacy or who cannot use the mobile application. Known severe psychiatric illness or cognitive impairment Being pregnant (or suspected to be pregnant) Discharged after hospital admission due to COVID-19