Timeshifter
Circadian apps for jet lag & shift work, trusted by 1.6M+ users.

Timeshifter is a science-backed mobile app that helps travelers and shift workers manage their circadian rhythms to reduce jet lag and optimize performance. Using algorithms developed with NASA scientists and Harvard sleep researchers, it creates personalized plans based on chronotype, sleep patterns, and itinerary. The app provides timed guidance on light exposure, melatonin, caffeine, and naps to help users adapt to new time zones faster.
The app generates personalized circadian plans with timed advice on light exposure, light avoidance, melatonin, and caffeine based on the user's chronotype, sleep patterns, and flight itinerary.
Frequent travelers, business travelers, elite athletes, and shift workers
Background.
- Status
- launched
- Business model
- freemium
- Company
- Timeshifter
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