Jet lag app used by astronauts, elite athletes & top CEOs.

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Used by astronauts, elite athletes, and top CEOs, Timeshifter is for travelers who want to eliminate jet lag.

It’s developed with Harvard Medical School Associate Professor Steven Lockley, Ph.D., and based on the latest research in sleep and circadian neuroscience.

  • Michael Sherain
    Michael SherainPartner, Quadric

    Easy to add a trip, easy to follow the guidance


    Should be a watch app (too)

    I was part of the pre-launch testing. I travel a lot for business, and thought I knew about jetlag. But, there is no way anyone could take the right actions to adjust without an app like this giving personalized guidance.

    Michael Sherain has used this product for one month.
  • Nathan Langer
    Nathan LangerFull Stack Developer at Quuu

    Design is nice


    'free' download' not so free

    You can download the app for free, as soon as you start to use the app you are hit with a £4.99 paywall that is required to use the app...

    Nathan Langer has used this product for one day.
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Michael Nilsson
Michael Nilsson@michaelnilsson · Developer, AddEvent.com
That's just awesome. Will definitely try your app on my next flight!
Ryan Hoover
Ryan HooverPro@rrhoover · Founder, Product Hunt
Timely. I'm flying to NY today, Canada next week. ✈️
Jacob Jürgensen Ravn
Jacob Jürgensen RavnMaker@jacob_jurgensen_ravn · Cofounder, Timeshifter inc
@rrhoover Hi Ryan - We would be very happy to learn about your experience with the app. Please do not hesitate to send feedback along the way – praise is great, critique even better ;-)
Todd Bracher
Todd Bracher@toddbracher · Owner, Todd Bracher Studio
Part of pre launch testing, I had a recent trip to Milan from NYC for a trade event, have to say the app worked... hit the ground running... Talk about competitive advantage!
Ayush Chandra
Ayush Chandra@ayush_chandra · Research Intern & Tech Evangelist
Great job !! 😊 This is superuseful when travelling overseas
Garg Ankit
Garg Ankit@graciousgarg · Silicon-Meat Interface Engineer
Hope this works. Fingers crossed :)