Best Oio Circadian Apps

218+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated June 2026

Finding the right oio circadian apps can be overwhelming with so many options. We've analyzed 218+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Oio Circadian Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OIO CircadianOIO CircadianFree5.0★ (1)NoNoJul 2026
2UKG Workforce CentralUKG Workforce CentralFree1.4★ (752)NoNoJul 2026
3TUO LifeTUO LifeFree3.9★ (161)NoNoJul 2026
4Sleep Cycle - Tracker & SoundsSleep Cycle - Tracker & SoundsFree4.7★ (26K)YesYesJul 2026
5Sling: Employee Scheduling AppSling: Employee Scheduling AppFree4.7★ (27K)NoNoJul 2026
6BetterSleep: Relax and SleepBetterSleep: Relax and SleepFree4.7★ (391K)YesYesJul 2026
7ShutEye®: Sleep Tracker, SoundShutEye®: Sleep Tracker, SoundFree4.8★ (349K)NoYesJul 2026
8OuraOuraFree4.9★ (268K)NoNoJul 2026

Top Picks for Oio Circadian

OIO Circadian#1

OIO Circadian by KORRUS, INC

Korrus Inc
Editor's Choice
📊 Productivity
5.0(1 ratings)
Free
OIO Circadian screenshot 1
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OIO Circadian screenshot 3
OIO Circadian screenshot 4
OIO Circadian screenshot 5

This app visualizes your light exposure throughout the day, offering personalized schedules to improve sleep and energy. Control smart lighting scenes and individual rooms for whole-home wellness lighting.

UKG Workforce Central#2

UKG Workforce Central by Kronos Incorporated

Strong Contender
💼 Business
1.4😞(752 ratings)
Free
UKG Workforce Central screenshot 1

This app provides employees and managers with secure mobile access to manage work schedules, time off, pay, and staffing. It offers offline functionality for punching in/out, syncing data when connectivity is restored.

What We Love

  • 👍 Helpful for work
  • 📅 Ability to view schedule

Room to Improve

  • 🐛 Constant crashes and glitches
  • 🔑 Requires frequent password changes
  • 🕰️ Slow and unresponsive
TUO Life#3

TUO Life by VERGEOPS, LLC

App for TUO Circadian Lights
Worth Considering
🌟 Lifestyle
3.9(161 ratings)
Free
TUO Life screenshot 1
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TUO Life screenshot 5
TUO Life screenshot 6

This app helps improve sleep, energy, focus, and mood by controlling smart circadian lights. It uses patented technology to influence your body's natural rhythms, syncing your biological schedule with your daily activities for better health and well-being.

More Oio Circadian apps to explore

4
Sleep Cycle - Tracker & Sounds
Sleep Cycle - Tracker & Sounds
Sleep Cycle - Tracker & Sounds
Alarm Clock & Snore Recorder
Free

This app uses sound analysis to track sleep patterns, identify potential issues, and build healthier sleep routines. It features an AI sleep coach, a smart alarm to wake you gently, and tools to record snoring and sleep talking.

AI sleep coachSmart Alarm clockSleep pattern tracking
💪 Health & Fitness
(26K)
free with in-app purchases
5
Sling: Employee Scheduling App
Sling: Employee Scheduling App
Sling: Employee Scheduling App
Employee Scheduling Made Easy
Free

This app simplifies employee scheduling and workforce management. It allows for fast schedule creation, labor cost control, and efficient team communication. Features include time tracking, payroll export, and compliance tools.

Schedule employee work shiftsTrack employee time and attendanceOptimize labor costs
💼 Business
(27K)
free
6
BetterSleep: Relax and Sleep
BetterSleep: Relax and Sleep
BetterSleep: Relax and Sleep
Calm Sounds, Meditation Music
Free

Improve your sleep with a comprehensive suite of tools. Track your sleep patterns, record nighttime sounds, and access a vast library of calming audio content, including meditations, stories, and soundscapes. Experts recommend this app for better rest and well-being.

Sleep trackerSleep recorderPremium sleep sounds
💪 Health & Fitness
(391K)
free with in-app purchases
7
ShutEye®: Sleep Tracker, Sound
ShutEye®: Sleep Tracker, Sound
ShutEye®: Sleep Tracker, Sound
Snore & Sleeptalk Recorder
Free

Improve your sleep with a comprehensive sleep tracker and a library of relaxing sounds. Understand your sleep cycles, track snoring, and wake up gently with a smart alarm. Designed for those seeking better rest and vitality.

Sleep sound libraryBedtime storiesSmart alarm clock
💪 Health & Fitness
(349K)
subscription
8
Oura
Oura
Oura
by Oura Health Oy
Free

This smart ring and companion app provide daily health insights and personalized recommendations based on your body's biometrics. Track sleep, activity, and readiness with actionable guidance to improve overall wellness and understand your body's signals.

Daily Sleep, Activity, and Readiness scoresAccurate biometric tracking (heart rate, temp, SpO2)In-depth sleep analysis and optimization tips
💪 Health & Fitness
(268K)
free
9
My Horoscope Pro
My Horoscope Pro
My Horoscope Pro
Helps you through the day
Free

Get daily astrological predictions tailored to your zodiac sign. Share your horoscope with friends and family via social media. Features detailed insights for all signs and decanates, with customizable push notifications.

Daily horoscope predictionsDetailed astrological insightsSocial media sharing
🌟 Lifestyle
(272)
free with in-app purchases
10
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
💪 Health & Fitness
(63K)
free with in-app purchases
11
Toggl Track: Hours & Time Log
Toggl Track: Hours & Time Log
Toggl Track: Hours & Time Log
Tracking & Hours Management
Free

Effortlessly track your time from any device with a single tap. Organize entries with projects and tags, analyze your productivity with reports, and boost focus with Pomodoro mode. Seamlessly syncs across all your platforms.

Cross-device time trackingDetailed reports and exportProject, client, and tag organization
💼 Business
(9.3K)
free
12
Koala Browser - Sleep Better
Koala Browser - Sleep Better
Koala Browser - Sleep Better
Sleep Better and Browse Web
Free

This web browser is designed to improve sleep quality by filtering out blue light emitted from device screens. It automatically adjusts display colors based on the time of day, creating a warmer tone at night to promote melatonin production.

Automatic color temperature adjustmentBlue light filteringDownload and view files
📊 Productivity
(284)
free with in-app purchases
13
UKG Pro
UKG Pro
UKG Pro
by UKG INC.
Free

This mobile app provides employees with secure access to HR information, time tracking, and goal setting. Managers can manage requests, approve timecards, and gain insights through reports. It aims to enhance productivity and engagement for a better work experience.

View and update HR and pay informationClock in/out and track timeManage time off requests
💼 Business
(289K)
free
14
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
Task remind, planner,countdown
Free

This app helps you manage tasks, schedule events, and build habits. It offers cross-device synchronization, multiple reminders, and collaboration features. Stay organized and boost productivity with its comprehensive planning tools.

Cross-device task synchronizationMultiple reminders and flexible schedulingCalendar views and integration
📊 Productivity
(44K)
freemium
15
Emerald Chronometer
Emerald Chronometer
Emerald Chronometer
by Scapa Flow, LLC
Free

Experience highly detailed mechanical watch faces with advanced astronomical and clock complications. Track celestial events, manage time with precision, and explore historical and future dates with interactive displays. Optimized for iPhone and iPod touch.

Accurate astronomical data (4000 BCE - 2800 CE)Sun, Moon, and planet rise/set timesMechanical display of Moon phases
🔧 Utilities
(105)
paid
16
Living Earth - Clock & Weather
Living Earth - Clock & Weather
Living Earth - Clock & Weather
Forecast Storms & Hurricanes
$5.99

Experience a visually stunning 3D simulation of Earth with real-time weather, global cloud patterns, and tropical storm tracking. This app offers a world clock for millions of cities, detailed forecasts, and an interactive view of celestial bodies. It also features an alarm clock with music integration and city syncing across devices.

Live 3D Earth simulationReal-time weather mapsGlobal cloud patterns
☀️ Weather
(15K)
paid
17
Calendar planner CircleTime
Calendar planner CircleTime
Calendar planner CircleTime
Understand Time as a Whole
Free

This app reimagines your schedule as a flowing circle, syncing with natural rhythms like sunrise, sunset, and moon phases. It offers a clear, clutter-free visual representation of your day, integrating with your activity data for a holistic view of time and movement.

Circular daily timeline visualizationSyncs with sun, moon, and weatherIntegrates Apple Activity Rings
📊 Productivity
(330)
free with in-app purchases
18
SleepWatch - Top Sleep Tracker
SleepWatch - Top Sleep Tracker
SleepWatch - Top Sleep Tracker
Tracker, Sounds, Alarm & Coach
Free

This app helps you understand and improve your sleep. It automatically tracks your sleep patterns, analyzes snoring and other sleep sounds, and provides personalized coaching and tips. Wake up feeling more refreshed with smart alarms and detailed sleep reports.

Automatic sleep trackingSleep sound recording (snoring, etc.)Personalized AI sleep coaching
💪 Health & Fitness
(329K)
freemium
19
Alarm Clock HD
Alarm Clock HD
Alarm Clock HD
Sleep Timer, Music & Sounds
Free

Wake up gently with your favorite music or sounds using this advanced alarm clock. It offers customizable nightstand displays, sleep tracking, and a sleep timer to help you unwind. Enjoy features like local weather and an instant flashlight, with an option to go ad-free via subscription.

Unlimited alarms with Apple Music or custom soundsSleep trackingCustomizable nightstand display
🔧 Utilities
(104K)
freemium
20
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
💪 Health & Fitness
(250)
free

FAQ about Oio Circadian

What are the best oio circadian apps for iPhone?
OIO Circadian tops our oio circadian apps ranking as of June 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top oio circadian apps we rank are free to download, including OIO Circadian and UKG Workforce Central.
OIO Circadian has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 218+ oio circadian apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
OIO Circadian is a productivity app designed to help users manage their smart lighting for improved sleep and energy. It visualizes light wavelengths and creates personalized schedules based on wake-up times.
By creating custom circadian lighting schedules, OIO Circadian aims to help users fall asleep faster, wake up more refreshed, and maintain energy throughout the day through optimized light exposure.