Best Solar Circadian Clock Apps

207+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated May 2026

Solar Circadian Clock is the household name in solar circadian clock, but it's far from the only option. We track 207+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Solar Circadian Clock

Sol: Sun Clock#2

Sol: Sun Clock by Juggleware, LLC

Daylight Forecaster & Alarm
Strong Contender
☀️ Weather
4.8😊(869 ratings)
$4.99
#87in Weather
Sol: Sun Clock screenshot 1
Sol: Sun Clock screenshot 2
Sol: Sun Clock screenshot 3
Sol: Sun Clock screenshot 4
Sol: Sun Clock screenshot 5
Sol: Sun Clock screenshot 6

Track the natural daylight hours with Sol: Sun Clock. Predict changes in sunlight to plan your day efficiently and make the most of natural light. Embrace a more balanced lifestyle - download now!

What We Love

  • 👍 Simple and intuitive interface
  • 🚀 Accurate and reliable information
  • 💡 Useful for photographers, hikers, and outdoor enthusiasts
  • 🌅 Helps users stay in tune with natural light cycles

Room to Improve

  • 🐛 Occasional crashes or bugs
  • 🔋 Alarms don't work when device is muted
  • 🌙 Lack of moon phase information
Circadian: Your Natural Rhythm#3

Circadian: Your Natural Rhythm by Circadian Limited

Wellness & health cycles clock
Worth Considering
💪 Health & Fitness
4.6😊(657 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 routine with personalized suggestions based on your natural biological rhythm. Enhance your wellness and productivity by aligning your activities with your body's natural cycles.

What We Love

  • 👍 Easy to use
  • 💡 Informative and educational
  • 🚀 Helpful reminders and notifications
  • 🌞 Supports circadian rhythm and natural lifestyle

Room to Improve

  • 🐛 Crashes and bugs
  • 🕰️ Inaccurate timing and location tracking
  • 💰 Expensive subscription model

More Solar Circadian Clock apps to explore

4
My Digital Clock
My Digital Clock
My Digital Clock
Stylish Clock with Themes
Free

A sleek and user-friendly digital clock application with customizable features, such as multiple time zone displays, alarms, and a variety of clock styles. Stay organized and on schedule with this handy tool for keeping track of time efficiently.

🔧 Utilities
(7.1K)
5
Sunset Prediction SolarWatch
Sunset Prediction SolarWatch
Sunset Prediction SolarWatch
Sunrise Alarm Clock Widget
Free

Track the sun with SolarWatch - your go-to app for outdoor adventures and photography. Get precise sunrise, sunset, and twilight times, set customizable solar alarms, and utilize AR mode and map overlays for optimal photo planning. Download now to join over 500,000 happy users!

📷 Photo & Video
(5.8K)
6
Atomic Clock (Gorgy Timing)
Atomic Clock (Gorgy Timing)
Atomic Clock (Gorgy Timing)
The classic par excellence
$1.99

Check out this ultimate precise time tool using an internet time protocol to fetch time from atomic clocks. It features alarm functions, customizable time server sources, unique colors, and special display options like fractional seconds and night mode. Perfect for users wanting precise timekeeping on their Apple devices.

🔧 Utilities
(4.8K)
7
Sundial Solar & Lunar Time
Sundial Solar & Lunar Time
Sundial Solar & Lunar Time
Sunrise sunset widget alarm
Free

This innovative solar tracking app utilizes GPS technology to optimize solar panel efficiency by aligning them with the sun's position throughout the day. Boost your solar energy production today with real-time tracking and analysis.

☀️ Weather
(4.3K)
8
Daylight - Solar Clock
Daylight - Solar Clock
Daylight - Solar Clock
Keep Track Of Daylight
Free

This app helps you keep track of the day's remaining daylight, including sunrise and sunset times, and provides the total daylight for the day. Download it now to stay on top of daylight hours and plan your day accordingly.

☀️ Weather
(17)
9
Nite Time - a simple night clock for your nightstand with flashlight
Nite Time - a simple night clock for your nightstand with flashlight
Nite Time - a simple night clock for your nightstand with flashlight
by Nick Fanger
Free

Experience the simplicity of a night clock app designed for your nightstand with a flashlight feature. Features include big clear numbers, red digits for easy night viewing, brightness control, and the option to display date. Upgrade for additional clock colors and a convenient flashlight function. Make your nights easier with this free app!

🔧 Utilities
(262)
10
Sun Seeker - Sunlight Tracker
Sun Seeker - Sunlight Tracker
Sun Seeker - Sunlight Tracker
Sunrise Sunset Times, Daylight
$11.99
$12.99 | 8% OFF

Track the sun's position with precision using Sun Seeker - a powerful app that provides sunrise and sunset times, solar path tracking, and more. Never miss capturing the perfect sunlight again - download now!

🗺️ Navigation
(13K)
11
Astrolabe Clock
Astrolabe Clock
Astrolabe Clock
by Michael Smith
Free

This astronomical clock application provides a modern interpretation of an ancient instrument, offering a glance at the time of day, day of year, and celestial body positions. It allows users to explore sunrise and sunset times, moon phases, transit times, and even track solar and lunar eclipses.

🔍 Reference
(48)
12
Sunrise Sunset Times
Sunrise Sunset Times
Sunrise Sunset Times
Local Sun Rise and Set Time
Free

Get precise Sunrise, Sunset, First and Last Light times with the Sunrise Sunset Times app. Plan your day with accurate daylight countdowns, time zone conversions, and more. Download now for a smarter way to enjoy the sun!

☀️ Weather
(19K)
13
Sunrun
Sunrun
Sunrun
Power Your Future
Free

Monitor, track, and manage your solar energy production with our user-friendly app. Get support, insights, and stay connected to your sustainable energy choices. Join us now!

🔧 Utilities
(2.6K)
14
Clock Seconds
Clock Seconds
Clock Seconds
Largest Clock with seconds
Free
🔧 Utilities
(4)
15
Skylight - Solar Widgets
Skylight - Solar Widgets
Skylight - Solar Widgets
Enjoy more sunlight
Free
$2.99 | 100% OFF

This application helps users experience more sunlight and connect with nature by providing a personalized routine around sunrise and sunset, and tracking sunlight patterns throughout the year. With its intuitive design and customizable features, it offers a range of tools to motivate users to get outside and enjoy the benefits of natural light.

☀️ Weather
(91)
16
DayTime
DayTime
DayTime
A sun and moon alarm clock
Free

This sun and moon alarm clock app calculates the position of the sun and moon, and provides exact times of sunrise, sunset, moonrise, and moonset, using your location. With features such as solar time, simulation, and alarms for various events, you can make the most of daylight hours and plan your day, vacation, or special events with precision, download it now for free and upgrade with in-app purchases.

🔧 Utilities
(150)
17
My Circadian
My Circadian
My Circadian
by Jake Adams
Free
💪 Health & Fitness
(1)
18
Sunrise Alarm Clock  -
Sunrise Alarm Clock  -
Sunrise Alarm Clock -
Wake up at sunrise
Free
💪 Health & Fitness
(29)
19
Circadian Rhythm: Body Clock
Circadian Rhythm: Body Clock
Circadian Rhythm: Body Clock
Sleep Tracker & Energy Booster
Free

This application helps you align your daily routines with your body's natural biological clock, providing personalized insights to improve sleep quality, boost energy levels, and enhance mental focus. By tracking your circadian rhythm, you can optimize your habits and unlock a healthier, more productive you.

💪 Health & Fitness
(8)
20
LCD Clock - Clock & Calendar
LCD Clock - Clock & Calendar
LCD Clock - Clock & Calendar
Clock & Calendar
$1.99

This multifunctional digital clock and calendar app turns your device into a beautiful, minimal display for your desk or bedside table, providing clarity and convenience to your daily life. With features like holiday display, weather forecast, calendar support, and adjustable screen brightness, you can stay organized and informed - try it out today!

🔧 Utilities
(11)