Jet lag app comparison

We encourage you to compare a Timeshifter jet lag plan with one from any other jet lag app. You will immediately see how the advice is different. Other jet lag apps often provide recommendations that lack scientific evidence and are impractical to follow. At best, these alternatives are ineffective. At their worst, they can be potentially harmful.

About Timeshifter

There’s a reason why Timeshifter's jet lag app is the most-downloaded and highest-rated jet lag app in the world. Timeshifter was developed with world-renowned scientists, based on the latest research in sleep and circadian neuroscience. With Timeshifter, you can create personalized jet lag plans based on your sleep pattern, chronotype, itinerary, and personal preferences for caffeine and melatonin use. Timeshifter incorporates a real-world Practicality Filter™, ensuring that the advice is realistic and easy to follow; there is also a unique Quick Turnaround® feature for business travelers who want to be at their best during short business trips that are not long enough to allow full adjustment. An intuitive notification system provides the simple yet powerful advice, even while in-flight.

The science behind Timeshifter

Timeshifter uniquely combines the only elements that have been shown to significantly reset the circadian clock (light exposure and melatonin), or alleviate the symptoms (melatonin, caffeine, naps).

Light has two main effects – it is a ‘chronobiotic - it will reset the circadian clock, and a ‘stimulant’ – it can help increase alertness. Light avoidance has the opposite effect – avoiding light can avoid shifting the clock in the wrong direction and help calm the brain, promoting sleep when required. For both, the circadian phase shifting and alerting effects of light, the size of the response depends primarily on light intensity.

Melatonin has two main effects – it is a ‘chronobiotic - it will reset the circadian clock, and a ‘soporific’ – it can help you sleep. As a chronobiotic, melatonin will shift the timing of the circadian clock either earlier or later depending on the timing of administration.

Timeshifter’s benefits are well established. Based on ~130,000 post-flight surveys, 96.4% of the travelers who followed Timeshifter's advice did not struggle with severe or very severe jet lag. When NOT following the advice, there was a 6.2x increase in severe or very severe jet lag, and a 14.1x increase in very severe jet lag.

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