Chrono: Sleep Tracker

Leonardo Barros Bilhalva Health & Fitness iPhoneiPadiPod touch

Chrono: Sleep Tracker is a free Health & Fitness app for iPhone and iPad by Leonardo Barros Bilhalva. Requires iOS 18.6. Updated April 18, 2026.

Price: Free; on the App Store
Size: 582 MB; Age 4+
Updated: Apr 18; 2026 · v1.0.3

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Screenshots

About Chrono: Sleep Tracker

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/

What’s new

Version 1.0.3 · Updated April 18, 2026

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

App privacy

The developer, Leonardo Barros Bilhalva, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Usage Data: Product Interaction
Health & Fitness: Health

Used for: Analytics, Product Personalization, App Functionality

App details

Chrono: Sleep Tracker is a free Health & Fitness app for iPhone, iPad and iPod touch, developed by Leonardo Barros Bilhalva. It requires iOS 18.6 or later, is 582 MB to download and is available in 13 languages. It was first released on April 10, 2026 and last updated on April 18, 2026.

Category: Health & Fitness
Price: Free
Version: 1.0.3
Size: 582 MB
Requires: iOS 18.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, Croatian, Dutch, French, German, Italian, Japanese, Korean and 5 more
Age rating: 4+
Released: April 10, 2026
Last updated: April 18, 2026
Developer: Leonardo Barros Bilhalva

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Alternatives to Chrono: Sleep Tracker

Looking for apps like Chrono: Sleep Tracker? Here are 6 similar apps on the App Store. The highest rated is Simple Sleep - Minimal Tracker (5.0/5), and all 6 are free to download.

Chrono: Sleep Tracker vs. alternatives
App	Rating	Price	Last updated	Compare
Chrono: Sleep Tracker	–	Free	April 18, 2026
Nidoria - Sleep Tracker	1.0 / 5 (1)	Free	Aug 29, 2026	Compare
Calories are Nothing	–	Free	Sep 29, 2025	Compare
SleepTracker: Watch or Phone	–	Free	Oct 12, 2026	Compare
Simple Sleep - Minimal Tracker	5.0 / 5 (4)	Free	Oct 16, 2026	Compare
Solar Circadian Clock	–	Free	Jan 6, 2025	Compare
Instill Kids Bedtime Prayer	4.6 / 5 (41)	Free	Aug 28, 2025	Compare

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