By AppHub Editorial Team · Updated August 5, 2026
Timeshifter Jet Lag
Overview
Travel & Local
Timeshifter Inc.
Free
May 28, 2018
2.3.2
7.0
$4.99 - $24.99 per item
No
Apr 30, 2026
Features
Timeshifter applies the latest circadian science to adjust you quickly to new time zones. Make jet lag history with highly personalized jet lag plans, based on your chronotype, normal sleep pattern and itinerary.
// Condé Nast Traveler: “Say goodbye to jet lag” // The Wall Street Journal: "Indispensable" // Travel + Leisure: “Game-changer” // New York Times: “Timeshifter is as good as it’s going to get." // CNBC: "Saves time and money" // WIRED: "Will help reset your [circadian] clock” // Lonel...
Timeshifter applies the latest circadian science to adjust you quickly to new time zones. Make jet lag history with highly personalized jet lag plans, based on your chronotype, normal sleep pattern and itinerary.// Condé Nast Traveler: “Say goodbye to jet lag”// The Wall Street Journal: "Indispensable"// Travel + Leisure: “Game-changer”// New York Times: “Timeshifter is as good as it’s going to get."// CNBC: "Saves time and money"// WIRED: "Will help reset your [circadian] clock”// Lonely Planet: "Incredible"// Prevention: “One of the best apps according to doctors”JET LAG MYTHS VS. CIRCADIAN SCIENCEMisleading advice on conquering jet lag — often promoted by non-experts — not only fails to help travelers but can make jet lag symptoms worse and may even cause harm. It’s time to replace the myths with real science. Generic sleep advice, exercise, hydration, grounding, dietary supplements, special diets, or fasting won’t solve jet lag because they don’t "reset" your circadian clock to new time zones. THE REAL SCIENCE BEHIND REDUCING JET LAG// In your brain, a circadian clock helps manage the regular rhythm of your day.// Jet lag is caused when your sleep/wake and light/dark cycles shift too quickly for your circadian clock to keep up.// Light is the key time cue to “reset” your circadian clock, so the correct timing of light exposure and avoidance is the only way to adjust to new time zones quickly. If your timing is wrong, it will make your jet lag worse. WHY WE MADE TIMESHIFTERGetting the timing right is both complex and unintuitive. We created Timeshifter to make circadian science accessible and help you apply it to conquer jet lag. Timeshifter helps you tackle both the underlying cause of jet lag – the disruption of your circadian clock – as well as reduce the disruptive symptoms, such as insomnia, sleepiness and digestive discomfort. KEY FEATURES// Circadian Time™: Advice is based on your body’s clock// Practicality Filter™: Adjusts advice to the "real world"// Quick Turnaround®: Automatically detects short trips// Pre-travel advice: Start adjusting before departure// Push notifications: View advice without opening the appPROVEN RESULTSBased on ~130,000 post-flight surveys:// 96.4% of users who followed Timeshifter's advice 80% or more did not struggle with severe or very severe jet lag.// Travelers who did not follow the advice experienced a 6.2x increase in severe or very severe jet lag, and a 14.1x increase in very severe jet lag! TRY IT FREEYour first jet lag plan is free—no commitment required! After your free plan, you can choose to purchase plans as-you-go or subscribe for unlimited plans. These statements have not been evaluated by the Food and Drug Administration. Timeshifter is not intended to diagnose, treat, cure or prevent any disease, and is intended for healthy adults, 18 years of age or older. Timeshifter is not intended for pilots and flight crew on duty.
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Ratings breakdown
1,780 reviewsDeveloper contact
Name
Timeshifter Inc.
Address
26 Hill St Southampton, NY 11968 United States
Phone
+1 631-377-1109
Support
team@timeshifter.com
Privacy
View policyFrequently Asked Questions
Is Timeshifter Jet Lag free to download? high
Yes. The app metadata lists Timeshifter Jet Lag as free, with in-app purchases listed as $4.99 - $24.99 per item.
Source: app_metadata
What do sampled users complain about in Timeshifter Jet Lag? medium
Timeshifter Jet Lag has sampled reports of bugs, crashes, lag, or reliability problems. 2 sampled reviews or 1 sampling buckets support this theme.
Source: user_reviews
What do sampled users like about Timeshifter Jet Lag? low
Timeshifter Jet Lag is praised by sampled reviewers as easy, useful, or convenient. Only 1 sampled review supports this theme, so confidence is low.
Source: user_reviews
How to Use
Timeshifter applies the latest circadian science to adjust you quickly to new time zones. (app_description)
Getting Started
Source: app_description_and_user_feedback_noted
- Install Timeshifter Jet Lag from the appropriate app store.
- Open the app and start with the free experience.
- Review the main features described in the app listing.
- Check settings or support resources if you run into sampled issue patterns such as timeshifter jet lag has sampled reports of bugs, crashes, lag, or reliability problems.
Key Features (from app listing)
Source: app_description
- Travel & Local app experience
- Free download
- From Timeshifter Inc.
- 100,000+ downloads listed
Theme 'easy, useful, or convenient to use' identified in recent_reviews #2. Review #2 praises easy, useful, or convenient to use.
How this content was created
Content type: pattern_analysis_of_user_reviews_and_metadata
AI generated: Yes
- Google Play user reviews (12-20 preferred; may be smaller if source data is limited per app), October 10, 2022 to May 07, 2026
- Google Play ratings distribution
- App Store listing metadata
- Review samples are not statistically representative of all user sentiment
- High-engagement negative reviews can overrepresent complaints
- Claims labeled 'low confidence' are based on single-review observations only
- No real-world app testing was conducted
- Feature availability may vary by region, device, and app version
Pros & Cons
Based on analysis of Google Play user reviews
Pros
- Users appreciate the app: "We used the app to create a plan for our vacation trip to Europe. We followed the instructions to the letter before leav" medium
Extracted from 3 high-rated user review(s)
Evidence (3)
“We used the app to create a plan for our vacation trip to Europe. We followed the instructions to the letter before leaving. It was easier than we thought. We had zero jet lag! For the trip home it wa”Rating: 5★ May 07, 2026 2 likes“Timeshifter is amazing. Easy to follow directions with reminders for steps to take. I frequently travel from Europe to the United States and the jet lag was debilitating, especially returning from US ”Rating: 5★ March 03, 2026 3 likes“I used this app twice for my trips to Europe from the US. Both times it worked like magic. My experience: 1. You don't have to use melatonin if you don't want it. 2. You don't have to sleep on the pla”Rating: 5★ October 10, 2022 28 likes
Cons
- Some users report issues: "I have used the app for a couple of international trips. The advise seems to help with jet lag but the notification from the app didn't work on my Sam" low
Identified from 1 low-rated user review(s)
Evidence (1)
“I have used the app for a couple of international trips. The advise seems to help with jet lag but the notification from the app didn't work on my Samsung phone or tablet. I contacted support a few mo”Rating: 2★ October 14, 2024 29 likes
Recent Reviews
Brian Brandt
5★We used the app to create a plan for our vacation trip to Europe. We followed the instructions to the letter before leaving. It was easier than we thought. We had zero jet lag! For the trip home it was more difficult as the plan for sleep time, caffeine, etc., is harder to follow while vacationing and not at home. Overall we would highly recommend!
Debra Chiczewski
5★Timeshifter is amazing. Easy to follow directions with reminders for steps to take. I frequently travel from Europe to the United States and the jet lag was debilitating, especially returning from US to Europe with a 5 hour time difference. Now jet lag is a thing of the past. I have recommended this app to family, friends, and fellow travelers.
Asher Jones
3★I like this app a lot and it does help with jetlag, but the notifications on Android are sporadic and only work randomly. I do wish that the guidance was more specific - when it says things like "Open the shade if it's light outside" - Couldn't the app look at the time zones and know whether it was light outside or not? Also, suggesting that you sleep right up until the plane lands is impossible - with announcements and the timing of meals on planes etc - I wish advice was more practical.
Michael Clark
2★I have used the app for a couple of international trips. The advise seems to help with jet lag but the notification from the app didn't work on my Samsung phone or tablet. I contacted support a few months ago about this. They said it was a known issue and they were working on it but still no update. This makes it so you have to memorize when you need to transition to sleep, stop drinking caffeine etc. Not very user friendly.
Ibrahim Guven
5★I used this app twice for my trips to Europe from the US. Both times it worked like magic. My experience: 1. You don't have to use melatonin if you don't want it. 2. You don't have to sleep on the plane when it tell you to do it, but you must limit light and sound during those times. I cannot sleep on planes, but I used a good eye mask and good ear plugs, and voila, it worked beautifully. 3. If your trip is short, abiding by the rules prior to returning to the US is not easy. Great app! Thx.