Timeshifter

Timeshifter

Jet lag app

2.6K ratings
1440 reviews
#29 in top-grossing Travel
💪 Health & Fitness
✈️ Travel
Free
In-App Purchases

Details

  • Released
  • Updated
  • June 20, 2018
  • September 15, 2026

Features

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About

This app provides personalized plans to combat jet lag based on circadian science. It offers practical advice for light exposure and avoidance to help you adjust to new time zones quickly and reduce symptoms like insomnia and sleepiness.

Personalized jet lag plans
Circadian Time™ advice
Practicality Filter™
Pre-travel adjustment advice
Push notifications for advice
Automatic detection of short trips
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What users say

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+1

What's New in Timeshifter

2.6.6

September 15, 2026

We release updates regularly, and we're always looking for ways to make the experience better. Let's dive into the enhancements you'll find in our latest update: ## Fixed - Overall design and performance improvements If you have any feedback, or run into issues, please use the live chat in the app. We love to talk.

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Subscription plans

Timeshifter

Unlimited jet lag plans for 1 year

$24.991 Year
How to cancel Timeshifter subscription ⁉️
2

In-App Purchases

$9.99

jet lag plan

1 jet lag plan (one-way or roundtrip)

Charts

Top Grossing

📊 29

Travel

The app has maintained its position at 29 recently.

Last updated on September 17, 2026.

User reviews

Works very well

As someone who works in psychiatry and addresses sleep issues all the time, I was surprised how well this app worked. I guess sleep science is sound (pun intended). It made the transition to Iceland from Chicago much better than expected despite an uncomfortable flight from a sleep standpoint. Thank you Timeshifter. I am curious how returning home will be.
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Very Helpful App to Reduce Jet Lag!

I’ve used Timeshifter on several international trips and noticed significantly less jet lag after following its recommendations. It’s made a real difference—highly recommend!

Worked for me!

I used Timeshifter to manage jet lag on my recent trip to Thailand from the U.S. I followed the schedule as closely as I could, didn’t use melatonin, and had zero jet lag arriving in Thailand and minimal jet lag upon return. It was easy to follow; I just waited to be notified what to do and when. No need to figure it out myself! I’ve got another international trip planned and will definitely use Timeshifter.
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Helpful Fighting Jet Lag

Great app which preps your body & sleeping rhythm to adjust to new time zone. Great experience
For me w/ a 6 hour adjustment!

Love this app

We travel back to Europe every year, and every year I would be struck with a horrible jet lag that lasted for days. So when another traveler friend suggested this app I gave it ago.
THIS APP IS AMAZING! It has forever changed how I will travel and my own personal enjoyment of the trip. It is so easy to follow the cues and time shift using this app.
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Developer apps

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User experience

🐞

Reported Bugs

2 issues

App crashing or getting stuck on a white screen

Bug

Issues with account login and data loss

Bug

Requested Features

3 requests

Ability to adjust plan for unexpected schedule changes

Feature

Integration with fitness trackers or sleep apps

Feature

Recommendations for meal timing and nutrition

Feature

FAQ

What does the Timeshifter app do?

Timeshifter creates personalized jet lag plans based on scientific principles of circadian rhythms. It helps you adjust your body's internal clock to new time zones by providing specific advice on when to expose yourself to light and when to avoid it, aiming to reduce symptoms like insomnia and sleepiness.

How does Timeshifter use circadian science?

The app leverages the understanding that light is the primary cue for your body's circadian clock. It provides tailored recommendations for light exposure and avoidance, timed precisely to help your internal clock synchronize with your destination's time zone, addressing the root cause of jet lag.

Is Timeshifter free to use?

Your first jet lag plan is provided for free with no commitment. After that, you can choose to purchase individual plans as needed or opt for a subscription to get unlimited plans for all your travels.

What kind of advice does the app offer?

The app offers practical advice that considers your real-world schedule, thanks to its Practicality Filter™. This includes guidance on light exposure, sleep timing, and pre-travel adjustments to help you prepare for your journey and minimize jet lag symptoms.

Who is Timeshifter intended for?

Timeshifter is designed for healthy adults aged 18 and older who frequently travel across time zones. It is not intended for pilots and flight crew on duty. The app aims to help users conquer jet lag and improve their travel experience.