# Jet Lag: Sleep Time Shift — Circadian Rhythm Travel Plan > Science-based circadian rhythm planner for travelers to adjust sleep schedules. (iPhone/iPad app by Pavel Ilin.) - Source: https://appshunter.io/ios/app/jet-lag-sleep-time-shift/id6766160800 (this page in markdown: same URL + `.md`) - Developer: [Pavel Ilin](https://appshunter.io/developer/1081786723) - Category: Travel, Utilities - Price: Free with in-app purchases - Rating: 3.00/5 from 1 App Store ratings - Age rating: 12+ - Requires: iOS 17.0 · 25 MB - Languages: French (France), German (Germany), American English, Korean, European Spanish, Italian, Japanese, Brazilian Portuguese, Russian - Released: 2026-05-06 - Data updated: 2026-08-29 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/jet-lag-sleep-time-shift/id6766160800/reviews.md ## What is Jet Lag? 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 ## Key features - Personalized sleep schedules - Light therapy recommendations - Caffeine intake timing - Pre-flight, in-flight, post-arrival guidance - Multiple time zone calculations - Save favorite routes ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro (Family) | $24.99 | per year | | Pro (Individual) | $14.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | One Trip | $3.99 | one-time | ## Frequently asked questions about Jet Lag ### How does Jet Lag help with time zone changes? Jet Lag creates a personalized adjustment schedule by analyzing your circadian rhythm and incorporating factors like sunlight cues, light therapy timing, and caffeine windows. This helps your body sync with the new destination's time zone. ### What kind of guidance does Jet Lag offer? The app provides comprehensive guidance for pre-flight, in-flight, and post-arrival phases. This includes recommendations for sleep schedules, light exposure, and caffeine intake to help you adjust smoothly. ### Can I save my travel routes in Jet Lag? Yes, Jet Lag allows you to save your favorite travel routes. This feature is useful for frequent travelers who often fly between the same destinations, making it easier to generate plans. ### What are the subscription options for Jet Lag? Jet Lag offers two subscription plans: Pro (Individual) at $14.99 per year and Pro (Family) at $24.99 per year. These plans likely unlock premium features beyond the free offering. ### What devices does Jet Lag support? Currently, Jet Lag is supported on iPhone devices. Information regarding Android or other platform availability is not specified in the provided data. ### How often is Jet Lag updated? The latest version of Jet Lag is 1.0.7, and it was last updated on August 5, 2026. This indicates a recent update, suggesting ongoing development and maintenance. ### What is the age rating for Jet Lag? Jet Lag has an age rating of 12+. This suggests the content is generally suitable for users aged 12 and older. ### Does Jet Lag have ads? No, the provided data indicates that Jet Lag does not contain advertisements. This offers an uninterrupted user experience. ## Version history (last 5 releases) ### 1.0.7 — 2026-08-05 What's new in 1.0.7: • Numerous bug fixes, stability and performance improvements Safe travels! ### 1.0.6 — 2026-07-13 What's new in 1.0.6: • Numerous bug fixes, stability and performance improvements Safe travels! ### 1.0.5 — 2026-06-20 What's new in 1.0.5: • Plan generation now resumes smoothly if you close the app or lose connection • Clearer "plan ready" notifications and more dependable reminders • Smoother, more reliable checkout and faster unlock • Numerous bug fixes, stability and performance improvements Safe travels! ### 1.0.4 — 2026-06-11 What's new in 1.0.4: • 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! ### 1.0.3 — 2026-06-11 What's new in 1.0.3: • 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! ## More apps by Pavel Ilin - [Time Portal: Then & Now](https://appshunter.io/ios/app/time-portal-then-and-now/id1101646259) - [BCAA: Workout Planner & Log](https://appshunter.io/ios/app/bcaa-workout-planner-and-log/id1227002745) - [Letundra - Fly radar airlines](https://appshunter.io/ios/app/letundra-fly-radar-airlines/id1358462152) - [Peepers - endurance game](https://appshunter.io/ios/app/peepers-endurance-game/id1447776214) - [SYYNCC: extreme sport camera](https://appshunter.io/ios/app/syyncc-extreme-sport-camera/id1501738444) - [0.01 - Time Killer Offline](https://appshunter.io/ios/app/001-time-killer-offline/id1537058572) All apps by Pavel Ilin: https://appshunter.io/developer/1081786723 ## Related topics [jet lag timeshifter](https://appshunter.io/ios/topics/jet-lag-timeshifter) · [jet lag fix](https://appshunter.io/ios/topics/jet-lag-fix) · [time shifter jet lag](https://appshunter.io/ios/topics/time-shifter-jet-lag) · [my jet lag companion](https://appshunter.io/ios/topics/my-jet-lag-companion) · [sleep time](https://appshunter.io/ios/topics/sleep-time) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*