Comparison

Solar Circadian Clock vs Chrono

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Solar Circadian Clock

Features
Read full description

This app provides the main Solar information and Circadian Rhythm for a location. This aims to provide you with healthy timings to sleep and wake up, as well as the ideal times for your meals, and activities, that is in sync with your natural rhythm. What is β€œCircadian Rhythm”? Circadian rhythm is your body's natural, 24-hour internal clock. It regulates a wide range of bodily functions, such as sleep-wake cycles, hormone production, and body temperature. This internal clock is primarily influenced by light exposure, with the master clock located in a tiny region of the brain. A well-functioning circadian rhythm is essential for optimal health, as disruptions can lead to various health problems. Solar: β€’ Solar Midnight β€’ Twilight Start β€’ Sunrise β€’ Solar Noon β€’ Sunset β€’ Twilight End β€’ Sunlight Duration β€’ Daylight Duration Sleep: These sleep timings take into account the circadian rhythm and sleep cycles. It then works out the optimal timings to maximise rest. β€’ Optimal Wake Up Time β€’ Optimal Bedtime β€’ Deepest Sleep Meals: These meal timings take into account the circadian rhythm and the body's metabolism. β€’ Optimal Breakfast Time β€’ Optimal Lunch Time β€’ Optimal Dinner Time

About

Chrono

Features
Read full description

Chrono is a sleep tracker built on one idea: tracking your sleep should be simple. No complicated data. A cute companion joins your sleep journey. But first, let's find out which one is yours. DISCOVER YOUR CHRONOTYPE - Find your natural sleep rhythm - It wakes up with you every morning. Sleep well and it shows WORKS WITHOUT APPLE WATCH - Turn on Sleep Focus before bed and you are good to go - No need to keep your phone on all night - Have an Apple Watch? Even better. Detailed sleep stages included LEARN ABOUT YOUR SLEEP - 7-day guided journey with sleep science - Daily lessons personalized to your chronotype - Understand why you sleep the way you do Your little friend is waiting for you :) Try Chrono free for 7 days and then get Chrono Premium for $4.99/mo ($29.99/yr) Terms of Use & Privacy Policy: https://leonardobilhalva.github.io/chrono-legal-docs/

Screenshots

Solar Circadian Clock4 screens
Chrono4 screens

Verdict

The call

The clearest difference is ads: Chrono at none against Solar Circadian Clock's shown. Solar Circadian Clock's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Solar Circadian Clock sells 1 one-off in-app purchase and Chrono sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard3 real differences Β· 3 level
Solar Circadian Clock versus Chrono: the parameters behind the verdict, then further details
ParameterSolar Circadian ClockChrono
PriceFreeFree
Update frequencyβ€”Every 3 days
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS13.0 β€” better18.6
Further details β€” not scored
Size33 MB582 MB
Age rating4+4+
DeveloperDamien DevillianLeonardo Barros Bilhalva

In-app purchases

1 purchases

Solar Circadian Clock

One-time1
  • Upgrade$3.99
6 purchases

Chrono

Subscriptions6
  • Chrono Premium - Monthly7 Days trial$4.991 Month
  • Chrono Premium - Monthly$4.991 Month
  • Chrono Premium - Annual 60% Off$11.991 Year
Show 3 more
  • Chrono Premium - Annual7 Days trial$20.991 Year
  • Chrono Premium - Annual$20.991 Year
  • Chrono Premium - Annual7 Days trial$29.991 Year

Questions

Is Solar Circadian Clock free?
Solar Circadian Clock is free to download, with in-app purchases available.
Is Chrono free?
Chrono is free to download, with in-app purchases available.
Do Solar Circadian Clock or Chrono have ads?
Solar Circadian Clock shows ads; Chrono does not.

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