Substance Use Disorders (SUD) are associated with cognitive schemas that lead to care attrition and mistrust towards care. Considering this within SUD management, it is important to establish a confident relation between the patient and the care team to favorize acre observance. However, it demands an important availability of the healthcare team, allowing for frequent interactions at all times, including at night and during days off. With the present study, the investigator postulated that an application called Ô DIDE for Digital Interaction for Detoxification Engagement, that aims to help the caregivers maintaining a link with the patient in order to facilitate confidence in the relationship, could favorize care observance especially consumption report.

The present research aims to assess the feasibility of the "Ô DIDE" application after 8 weeks of use by patients treated for a disorder related to substance use at the Toulouse University Hospital.

Inclusion Criteria:

• Suffering from any type of addiction, with an active addiction requiring weekly monitoring of consumption
• Possessing an Android smartphone or having access to an Android smartphone and having access to an internet connection
• Able to read and understand French
• Affiliated or beneficiary of a social security scheme.
• Free, informed and written consent signed by the participant and the investigator (at the latest on the day of inclusion and before any examination required by the research).

Exclusion Criteria:

• Patient with cognitive or psychiatric disorders that may affect their ability to consent
• Participation in another protocol involving a modification of the treatment for addiction
• Person under legal protection, guardianship or curatorship
• Known or suspected pregnancy