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Jisanarashi - Jet Lag Plan

Light and sleep, day by day
WCH, K.K. · Travel
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App info

Developer
WCH, K.K.
Category
Travel
Released
Sep 8, 2026
Version
1.0 (Sep 8, 2026)
Price
$3.99
Size
0.9 MB
Requires
iOS 17.0
Age rating
9+
Languages
English and Japanese

In-app purchases

none
Current prices, App Store US.

Release date

The release date was moved 1 time before launch.

About Jisanarashi - Jet Lag Plan

Enter your destination and dates, and get a day-by-day plan to ease jet lag. The one thing to do right now is shown big and first. No theory to read. FEATURES - Enter departure/arrival cities, dates, and your usual sleep times to build a full plan - Preparation starts up to 3 days before departure, shifting your body clock gradually - Each day shows a timeline: bright-light window, light to avoid, sleep, meals, caffeine cutoff, and nap window - Flight-day guidance including when to sleep on the plane - After arrival, remaining adjustment days follow local time - Local notifications for light and sleep times (up to 6 per day, optional) - Widget and Lock Screen display show what to do now PRIVATE BY DESIGN - No network connection at all. Works fully in airplane mode - No account, no ads, no in-app purchases. One-time purchase - Your inputs and plans are stored only on your device - 245…
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