The intervention consists of an indicated prevention program delivered through a mobile app. The program will last 6 weeks and includes the following:

1. Psychoeducation on depression and anxiety
2. CBT skills training
3. mood and symptom monitoring and feedback: mood tracker and the application every two weeks of the PHQ-4 and question 9 of the PHQ-9
4. Chat with a psychologist (on demand)
5. Optional modules on other related mental health topics (e.g. healthy habits, relaxation, mindfulness)

Additionally, participants will be able to access additional help resources that include a speed dial button for a suicide prevention hotline and a web link to access contact information for mental health services. Finally, the intervention protocol also includes the eventual referral to face-to-face mental health care if required.

Participants in the enhanced control group will receive a web link (https://concienciasaludable.uchile.cl/) with information about places to go to seek mental health care both inside and outside the respective university and psychoeducational material on depression and anxiety

Psychoeducational materials (videos, information and interactive exercises) about depression, anxiety and social support

Skills training through information and activities based on the principles of cognitive behavioral therapy (cognitive restructuring, behavioral activation, emotional regulation, problem solving and exposure)

PHQ-9, total score varies between 0 and 27, higher values represent a worse outcome

GAD-7, total score varies between 0 and 21, higher values represent a worse outcome

The Warwick-Edinburgh Mental Well-being Scale (WEMWBS), total score varies between 7 and 35, higher values represent a better outcome