Identify your Depression Triggers:

Do you suffer from diagnosed depression?

Are you between the ages of 18 and 65?

Do you own an iPhone?

Participate in this study and win up to £100!

juli is an iPhone app designed to help people understand and manage their depression via a number of evidence based approaches:

Symptom tracking ✅

Medication reminders 💊

Journaling 📝

Data visualization of sleep 😴

Activity and exercise 👟

Heart rate variability 🫀

Menstrual Cycle 🩸

External data:

Weather 🌤

Pollen count 🌳

Air quality 💨

A Clinical Trial by the University College London:

Designed by Principal Researcher Dr. Joseph F. Hayes

UCL's world-leading research has been recognized in the Research Excellence Framework 2021.

Through their interdisciplinary work, UCL researchers have been collaborating with local and international partners on a range of issues – from tackling inequalities and climate change and addressing health challenges including COVID-19, HIV and cancer.

We would like you to use the juli app daily for eight weeks. Every two weeks, we will ask you standardized questionnaires. Each time a questionnaire is completed, you will be entered for a chance to win up to £100.

If you are interested in taking part in this 8-week test, please download the app here and follow the instructions below. Thank you for helping the entire depression community by participating in our trial!

For more information, visit our FAQ page here:

Depression FAQ