Chrono: Sleep Tracker

Simple Sleep Tracking

Only for iPhone

Free · In‑App Purchases

iPhone

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/

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We're always working to make Chrono better for you. This update includes minor fixes and improvements to keep things running smoothly :)

Version 1.0.3

The developer, Leonardo Barros Bilhalva, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Health & Fitness
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Leonardo Barros Bilhalva
Size
610.1 MB
Category
Health & Fitness
Compatibility
Requires iOS 18.6 or later.
  • iPhone
    Requires iOS 18.6 or later.
Languages
English and 12 more
  • English, Croatian, Dutch, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
Age Rating
9+
In-App Purchases
Yes
  • Chrono Premium - Annual 60% Off $11.99
  • Chrono Premium - Monthly $4.99
  • Chrono Premium - Annual $20.99
  • Chrono Premium - Annual $20.99
  • Chrono Premium - Monthly $4.99
  • Chrono Premium - Annual $29.99
  • Learn More
Copyright
© 2026 Leonardo Bilhalva
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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