--- title: "Coherence app overview" description: "The free app you use to take part in check-ins and studies: short activities with questions, guided breathing and a camera reading of your pulse and breathing." --- > eSSESSMENT docs. Web page: https://presagetech.com/docs/essessment/app-overview > Index of all pages: https://presagetech.com/docs/essessment/llms.txt # Coherence app overview
For participants

Your check-ins and studies, on the phone you already have.

Download on the App StoreGet it on Google Play
## What is Coherence? Coherence is Presage's app for iPhone and Android. A research team, coach or wellness program invites you, and their activities show up in the app. You complete them on your own phone, using the front camera instead of a wearable.
Coherence is for general wellness use only.
## The tabs
TodayQuick scan, what's due today, latest results. ChatAsk about a scan or a wellness question. ScanStart a scan or join a live session. ProgramsYour Library, and more to add from Find. YouProfile, history and settings.
## How it works
  1. #### Get the app Install Coherence and sign in. See [Get the app and sign in](https://presagetech.com/docs/essessment/app-get-the-app).
  2. #### Join your program Accept the invitation from your organization. Its programs are added to your Library. See [Join a program](https://presagetech.com/docs/essessment/app-join).
  3. #### Complete your activities Open an activity from Today or Programs and follow each step. See [Complete an activity](https://presagetech.com/docs/essessment/app-run-activity).
## Next steps
Get the app and sign inDownload Coherence and create your account. Set up CoherenceAccept the policies and allow the camera. Join a programAccept an invitation and find your activities.