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Timeshifter

Timeshifter

Jet lag app

2.6K ratings
1425 reviews
#36 in top-grossing Travel
💪 Health & Fitness
✈️ Travel
Free
In-App Purchases

Details

  • Released
  • Updated
  • June 20, 2018
  • August 25, 2026

Features

Developer

Timeshifter Inc.
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🧾$4.99 - $9.99
In-App Purchase↘︎
📉no. 36
Charts↘︎
📌Ready
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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
Show original description

What users say

Summarized from real user reviews of Timeshifter. Based on 2.6K reviews and a 4.7/5 average, it highlights the 5 positives and 3 negatives reviewers mention most about this Travel app.

Positive things

  • 👍Easy to use
  • 🚀Effective at reducing jet lag
  • 💡Personalized recommendations
  • ⏱️Helpful notifications
  • 🔍Explains the science behind the recommendations

Negative things

  • 🕰️Difficult to follow recommendations during travel
  • 🤒Melatonin not always readily available
  • 💰Expensive subscription model
See all reviews
+1

What's New in Timeshifter

2.6.2

August 25, 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: ## Added - minor 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.

More

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

📉 36-2

Travel

This app dropped -2 positions in Travel chart.

Last updated on August 28, 2026.

User reviews

Most RecentHighest RatedLowest Rated

UK to USA

Highly recommend u
GillFHGillFH

Timeshifter is smooth

It really helped me transition seemlessly without even a day lost. It’s wonderful.
PvinayMPvinayM

Welcome to Paris

I was apprehensive about having to shift forward by 6 hours for my vacation. I followed the guidelines in Timeshifter and arrived ready for my two-week adventure.
Suntanned KidSuntanned Kid

Very useful for long-haul flights!

I’ve used Timeshifter a few times now for long-haul flights (Australia to Scotland three times) and have experienced hardly any jet lag. Takes the guesswork out of trying to adjust to the new time zone and keeping myself on track with sleep!
hcinnes97hcinnes97

Didn’t feel my jet

This is the 3rd time I use this app. Going from North America to either Dubai or London. I enjoy using it going to these places rather than coming back . It honestly makes a huge difference with my jet lag adjustment . I did not feel the jet lag at all this time especially
rano123456rano123456
See 1420 more reviews

Developer apps

Timeshifter Shift Work
Timeshifter Shift Work

Optimize your sleep and energy

💪 Health & Fitness

(19)

Free
In-App Purchases
See 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.