Best Circadian Apps

199+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our circadian list covers 199+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Circadian

Circadian: Your Natural Rhythm#1

Circadian: Your Natural Rhythm by Circadian Limited

Wellness & health cycles clock
Editor's Choice
πŸ’ͺ Health & Fitness
4.6😊(659 ratings)
FreeIn-App Purchases
Circadian: Your Natural Rhythm screenshot 1
Circadian: Your Natural Rhythm screenshot 2
Circadian: Your Natural Rhythm screenshot 3
Circadian: Your Natural Rhythm screenshot 4
Circadian: Your Natural Rhythm screenshot 5
Circadian: Your Natural Rhythm screenshot 6

Optimize your daily activities by syncing with natural rhythms. This app helps you wake, eat, move, work, and rest at optimal times for improved energy, clarity, and sleep. It leverages sunlight, seasons, and scientific principles to guide your lifestyle for better health.

What We Love

  • πŸ‘ Easy to use
  • πŸ’‘ Informative and educational
  • πŸš€ Helpful reminders and notifications
  • 🌞 Supports circadian rhythm and natural lifestyle

Room to Improve

  • πŸ› Crashes and bugs
  • πŸ•°οΈ Inaccurate timing and location tracking
  • πŸ’° Expensive subscription model
MyCircadianApp#2

MyCircadianApp by Oxygen Mask Meditation LLC

Track sunlight & wellness
Strong Contender
πŸ’ͺ Health & Fitness
4.9😊(262 ratings)
FreeAdsIn-App Purchases
MyCircadianApp screenshot 1
MyCircadianApp screenshot 2
MyCircadianApp screenshot 3
MyCircadianApp screenshot 4
MyCircadianApp screenshot 5

Optimize your health by tracking sunlight exposure, UV index, and vitamin D synthesis. Log sun sessions, monitor light levels, and receive personalized guidance based on your skin type, weather, and location. Enhance well-being and boost mood by syncing with natural light cycles.

What We Love

  • 🌟 Comprehensive features
  • πŸ‘ User-friendly interface
  • 🌞 Helpful for circadian health
  • πŸ“Š Detailed data and tracking

Room to Improve

  • πŸ” Could use more educational content
  • πŸ“± Occasional glitches or bugs reported
My Circadian#3

My Circadian by Jake Adams

Worth Considering
πŸ’ͺ Health & Fitness
5.0(1 ratings)
Free
My Circadian screenshot 1
My Circadian screenshot 2
My Circadian screenshot 3
My Circadian screenshot 4
My Circadian screenshot 5

Optimize your light exposure and sleep schedule for better circadian health. This tool provides personalized intervals to help you maintain a regular sleep-wake cycle and manage light exposure, crucial for overall well-being.

More Circadian apps to explore

4
RISE: Sleep Tracker
RISE: Sleep Tracker
RISE: Sleep Tracker
Better Health, Focus & Habits
Free

This app helps you improve sleep and energy levels by tracking sleep debt and circadian rhythms. It offers personalized recommendations, guided meditations, and smart alarms based on sleep science.

Sleep debt calculationEnergy level trackingCircadian rhythm insights
πŸ’ͺ Health & Fitness
(61K)
free with in-app purchases
5
Owaves: My BodyClock
Owaves: My BodyClock
Owaves: My BodyClock
Circadian Calendar & Tracker
Free

This app uses AI and circadian rhythm science to create a personalized 24-hour plan for better sleep, focus, and overall well-being. It visualizes your day and helps you achieve your health and productivity goals.

Personalized 24-hour daily plansCircadian rhythm optimizationAI-powered recommendations
πŸ’ͺ Health & Fitness
(1.8K)
freemium
6
Circadian Rhythm: Body Clock
Circadian Rhythm: Body Clock
Circadian Rhythm: Body Clock
Sleep Tracker & Energy Booster
Free

Align your daily routines with your body's natural biological clock. Gain personalized insights to improve sleep, boost energy, and enhance focus by understanding your circadian rhythm. Optimize your day with alerts for hormone peaks and sunlight guidance.

Circadian Rhythm TrackingSleep Insights & TrendsHormone Peak Information
πŸ’ͺ Health & Fitness
(7)
free with in-app purchases
7
432 Hz Converter
432 Hz Converter
432 Hz Converter
Convert Music to 432Hz
Free

Transform your music to healing frequencies like 432Hz and explore alternative tunings. This app offers professional audio conversion with support for various formats, batch processing, and a library to manage your converted files. Discover a more harmonious listening experience.

Professional audio conversionSupport for major audio formatsCustom frequency conversion
🎡 Music
(60)
free with in-app purchases
8
myCircadianClock
myCircadianClock
myCircadianClock
by THE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIA
Free

This app aids research studies by tracking diet, exercise, and sleep patterns to understand their impact on health. It allows users to log food intake, sleep times, physical activity, and health metrics, with medication reminders and HealthKit integration.

Log food and drink intake with cameraRecord sleep timesLog physical activity
πŸ’ͺ Health & Fitness
(250)
free
9
Solar Circadian Clock
Solar Circadian Clock
Solar Circadian Clock
by Damien Devillian
Free
πŸ’ͺ Health & Fitness
(0)
10
Circadian Alarm: Wake Up Early
Circadian Alarm: Wake Up Early
Circadian Alarm: Wake Up Early
Sleep Cycle Tracker & Sounds
Free

This app helps you wake up feeling refreshed by disrupting the snooze habit and offering custom alarm sounds. It provides a personalized sleep plan to realign your body clock and improve your morning routine.

No snooze functionalityPhoto proof to dismiss alarmCustomizable alarm sound modes
πŸ’ͺ Health & Fitness
(10)
free with in-app purchases
11
EMA App
EMA App
EMA App
by Altenergy Power System,Inc.
Free

Monitor your solar energy system's performance in real-time and review historical data. Track power output, environmental benefits, and system details for APsystems microinverter users.

Real-time output power displayHistorical power output trackingEnvironmental benefits monitoring
πŸ’Ό Business
(100)
free
12
BodyClock - Circadian Rhythm
BodyClock - Circadian Rhythm
BodyClock - Circadian Rhythm
Heart, Sleep Tracker for Watch
Free

This app analyzes your health data to predict your optimal circadian rhythm for daily activities. It monitors sleep, heart health, stress, and more, offering personalized advice to enhance energy and well-being. Integrates with Apple Watch and Apple Health for comprehensive tracking.

Circadian rhythm predictionSleep and napping monitoringHeart health and stress tracking
πŸ’ͺ Health & Fitness
(0)
free with in-app purchases
13
Timeshifter
Timeshifter
Timeshifter
The Jet Lag App
Free

This app provides personalized plans to combat jet lag based on circadian science. It offers practical advice for light exposure and avoidance to help you adjust to new time zones quickly and reduce symptoms like insomnia and sleepiness.

Personalized jet lag plansCircadian Timeβ„’ advicePracticality Filterβ„’
✈️ Travel
(2.5K)
free with in-app purchases
14
AYO Circadian Health
AYO Circadian Health
AYO Circadian Health
Better Sleep, More Energy
Free

This app, used with a wearable device, helps improve sleep, energy, and overall well-being through science-based tools. It calculates your personal circadian health and provides tailored recommendations for light, food, exercise, and sleep.

Personalized circadian rhythm trackingScience-based sleep and energy recommendationsLight, food, and exercise guidance
πŸ’ͺ Health & Fitness
(24)
free
15
ν”λ“€μ–΄λŒ€λ¦¬μš΄μ „-13%적립
ν”λ“€μ–΄λŒ€λ¦¬μš΄μ „-13%적립
ν”λ“€μ–΄λŒ€λ¦¬μš΄μ „-13%적립
by jinhong park
Free

This app provides a convenient way to book a designated driver service. Users can easily set their current location and destination on a map for quick service. It also allows for the deletion of past service requests.

Map-based location settingDestination searchQuick driver dispatch
πŸ—ΊοΈ Navigation
(23)
free
16
Timeshifter Shift Work
Timeshifter Shift Work
Timeshifter Shift Work
Optimize your sleep and energy
Free

Optimize your sleep and energy levels with science-based guidance tailored for shift workers. This app provides personalized advice to combat circadian disruption, improving performance, health, and quality of life. It replaces common myths with evidence-based interventions to reset your internal clock.

Personalized circadian clock advicePractical real-world adjustmentsQuick shift schedule entry
πŸ’ͺ Health & Fitness
(17)
free with in-app purchases
17
Peaks: Sleep & Energy
Peaks: Sleep & Energy
Peaks: Sleep & Energy
Work With Your Body Clock
Free

This app analyzes your sleep patterns to predict your daily energy levels, helping you schedule tasks during peak focus times and plan breaks during energy dips. It uses scientific models to provide personalized energy curves and insights into your sleep quality and recovery.

Personalized energy curve predictionsEnergy peak and dip identificationSleep timing and debt tracking
πŸ’ͺ Health & Fitness
(260)
freemium
18
Circadian Energy
Circadian Energy
Circadian Energy
Body Clock & Energy Tracker
Free

This app analyzes your sleep, heart rate, and workouts to predict your daily energy levels and optimal sleep times. It provides personalized insights and real-time updates via widgets and Apple Watch complications.

Personalized energy curve calculationOptimal sleep window recommendationsHealthKit data integration
πŸ’ͺ Health & Fitness
(3)
free with in-app purchases
19
SleepCycle:Circadian
SleepCycle:Circadian
SleepCycle:Circadian
by Saeed Hamza
Free
πŸ“Š Productivity
(0)
20
Lifestack: AI Planner for ADHD
Lifestack: AI Planner for ADHD
Lifestack: AI Planner for ADHD
Energy Calendar, Oura, WHOOP
Free

This AI-powered planner creates a smart calendar aligned with your energy levels, helping you stay productive without burnout. It integrates with health data from wearables and other apps to adapt your schedule in real time.

AI-powered daily planningEnergy-first schedulingADHD-friendly routines
πŸ’ͺ Health & Fitness
(59)
subscription

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