Circadian AI APK is an unofficial Android app (version ~7.0.3–7.0.9) designed to optimize your daily routines—sleep, meals, exercise, focus—by aligning them with your natural circadian rhythm using AI-driven insights
Developed by Natural Cycles, Circadian AI integrates your location’s sunlight data—sunrise, sunset, UV exposure—with your personal habits to build a personalized wellness assistant
Features of Circadian AI APK:
AI-Powered Sleep Tracking
- Monitors your sleep patterns, disturbances, and light/dark cycles.
- Suggests optimal sleep windows and intelligent alarms to wake you during lighter sleep phases.
Smart Scheduling & Productivity Boosts
- Identifies “peak hours” for focus and deep work.
- Offers break reminders and focus modes to minimize distractions.
Circadian Meal & Fasting Advice
- Suggests meal and fasting times based on daylight alignment to support hormonal balance and metabolic health.
Health & Mood Analytics
- Provides stress, energy, and mood insights over time.
- Logs data to generate visual reports and behavioral suggestions.
Wearable Device Integration
- Syncs with smartwatches and fitness bands to import real-time sleep, heart rate, and activity data.
Custom Alerts & Educational Content
- Reminds you to act at key biological times (sunrise, solar noon, sunset, bedtime).
- Includes science-based articles on chronobiology topics like melatonin, blue light, fasting, and seasonal adaptation.
Lightweight, Battery-Friendly Design
- Smooth performance with minimal background usage.
- Supports customizable themes, including dark mode, and works offline with location data
How to Download
Choose a Trusted Source
For the routine-tracking version (not the heart‑health prototype), reputable sources include:
- APKPure — latest version v7.0.8 (47.5 MB, Android 6+) with verified signature
- APKTodo — Circadian AI v7.0.6 (~45 MB) is described as a daily-routine coach
Enable Installation from Unknown Sources
- Go to Settings → Security (or Apps & notifications → Special access)
- Allow the app (e.g., Chrome, Files, APKPure) to install unknown apps
Download the APK
- Visit the APKPure page for Circadian: Your Natural Rhythm v7.0.8, last updated June 11, 2025
- Tap “Download APK.”
- Choose your device architecture (ARM64-v8a for most modern phones)
Install the APK
- Once downloaded, open your Downloads folder or the APKPure app
- Tap the APK file → Install
- When finished, tap Open to launch the app
Initial Setup
- Provide location access so the app can sync with your local sunrise/sunset times
- Set up your sleep schedule, meal times, fasting windows, and notification preferences
Conclusion
If you're seeking a tool for daily routine improvement, the productivity version of Circadian AI APK is suitable (with safe download practices).
If you're interested in AI health diagnostics, the heart disease detection app is promising but still under development and not ready for public use.
