Jet Lag: Sleep Time Shift

Circadian Rhythm Travel Plan

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Arrive Ready, Not Exhausted. Jet Lag is the science-based sleep schedule and circadian rhythm planner for travelers. Reset your body clock for any time zone — combining sunlight cues, light therapy timing, and caffeine windows into a personal flight plan. Whether you're flying for a crucial business meeting or the vacation of a lifetime, our app creates a personalized plan to sync your sleep with your destination. How it works: Enter your departure and arrival cities along with your flight time. Jet Lag analyzes your circadian rhythm and creates a customized adjustment schedule. Key features: • Personalized sleep schedules based on your flight • Light therapy and caffeine intake recommendations • Pre-flight, in-flight, and post-arrival guidance • Multiple time zone calculations • Save your favorite routes Whether you're crossing one time zone or ten, Jet Lag helps you arrive refreshed and ready for what comes next. Terms of Use: https://jetlag-aa5f5.web.app/terms.html Privacy Policy: https://jetlag-aa5f5.web.app/privacy.html

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What's new in 1.0.2: • Faster, more reliable plan generation • Smoother loading screen with realistic time estimates • More accurate scheduling around daylight saving time • Smart notifications now appear correctly in your plan history • Improved error handling — clearer messages and one-tap retry • Various stability and performance improvements Safe travels!

The developer, Pavel Ilin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Pavel Ilin
Size
  • 25.4 MB
Category
  • Travel
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 8 more
  • English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish
Age Rating
13+
  • 13+
  • Infrequent
    Medical Treatment information

    Contains
    Health or Wellness Topics
In-App Purchases
Yes
  • One Trip $3.99
  • Pro (Individual) $14.99
  • Pro (Family) $24.99
Copyright
  • © 2026 Pavel Ilin