BIO: Circadian Rhythm & Sleep
Fix Circadian Rhythm
About
This app helps you naturally reset your body's internal clock to improve sleep quality, energy levels, and focus. It provides personalized circadian rhythm analysis and daily energy forecasts based on scientific research.
What's New in BIO
1.0.3
May 11, 2026
Daily energy forecasting is now available
Subscriptions & In-App Purchases
BioSync Pro
Unlock all features of BioSync
Developer apps
FAQ
What is BIO's main purpose?
BIO helps you naturally reset your circadian rhythm to improve sleep quality, energy levels, focus, and mood. It provides personalized analysis and daily energy forecasts.
Does BIO offer a free trial?
The app is free to download and use, with an optional 'BioSync Pro' subscription available for $4.99 per month, suggesting core features are accessible without immediate payment.
What kind of sleep issues does BIO address?
BIO is designed for people with Delayed Sleep Phase Syndrome (DSPS), circadian rhythm sleep disorders, irregular sleep-wake cycles, shift work disruption, Non-24 sleep-wake disorder, jet lag, and general poor body clock alignment.
How does BIO differ from other sleep trackers?
Unlike traditional sleep trackers that only monitor sleep, BIO focuses on restoring your natural circadian clock and includes a personalized Daily Energy Forecast to help you understand your body's natural energy peaks and crashes.
What are the subscription options for BIO?
BIO offers a subscription plan called 'BioSync Pro' priced at $4.99 per month, which likely unlocks advanced features or removes limitations from the free version.
What devices is BIO available on?
BIO is supported on iPhone and iPod devices, indicating it is primarily an iOS application.
How often is BIO updated?
The app was last updated on May 11, 2026, with the latest version being 1.0.3, suggesting regular maintenance and potential feature additions.
Is BIO suitable for children?
BIO has an age rating of 4+, making it suitable for a wide range of users including children, though its primary focus is on adult sleep and energy optimization.
