What's New

This app has been updated by Apple to use the latest Apple signing certificate.

Added more explanations, bug fixes

App Description

Entrain is a mobile application that uses your lighting history, activity, and heart rate to recommend schedules of light and dark. These schedules are able to shift a model of the circadian clock to a new time zone as quickly as possible. Users can opt-in to share their data with the University of Michigan for research purposes.

iPhone Screenshots

(click to enlarge)

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App Changes

  • April 12, 2014 Initial release
  • July 16, 2014 New version 2.0
  • November 19, 2016 New version 3.0
  • November 21, 2016 New version 3.1
  • December 07, 2016 New version 3.2
  • June 14, 2019 New version 3.4