Archived App (Last seen on 17 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Lowest price: $2.99 8 months ago (-67%)
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Price history
About
Stop forcing productivity when your body needs rest. Circadian Sync is the intelligent chronobiology optimizer that aligns your daily habits with your internal rhythms. By tracking your Cortisol Awakening Response (CAR), the app identifies your precise biological windows for peak focus, creative recovery, and deep rest.
Traveling across time zones? Activate Jet Lag Mode to receive scientific light-exposure protocols—telling you exactly when to seek bright light or wear sunglasses—to shift your body clock and eliminate jet lag before you even land. Work smarter, sleep better, and live in sync.
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What's New in Circadian Sync
1.0
November 25, 2025
