What can your voice say about depression?

Treating depression is hard. We want to make finding the right medication faster and easier.


I have depression

Currently, it can take up to 9 weeks to find a medication that works! By analyzing your speech, we think it’s possible to determine whether an antidepressant is working within a much shorter time period.

I want to help

We need lots of data from healthy people to understand what a healthy mind looks like. By contributing, you will improve our understanding of depression which can help those in need.

How does the study work?

We have created a speech-only assessment that runs on your iPhone. At the end of the study, we will send you a detailed report about what we learned from your speech and how it changed with antidepressants.

Illustration of brain

1. Download the Summer app on your iPhone.

Illustration of a clipboard

2. Fill out a short questionnaire about your symptoms.

Illustration of a workout

3. Every week do 2 to 5 minute speech-based exercises.


  • You are 18 or over.
  • You must be able to speak English fluently.
  • You must have daily access to an iPhone.
  • You agree to use the app for 4 to 6 weeks.
  • You do not need to be depressed or be on antidepressants to be part of this study.

Notify me when the study starts

The study is expected to start in January 2019. Sign up below to be notified of when the study starts.