Halcyon: Brown & White Noise
Pink Noise & Sleep Stories
About
Create personalized soundscapes with a variety of nature sounds, white noise, and ambient audio. Enhance relaxation with guided meditations, sleep stories, and breathing exercises. Features include a sleep timer, background playback, and adaptive soundscapes for a peaceful experience.
What's New in Halcyon
1.4.1
October 13, 2026
Halcyon 1.4.1 refreshes our App Store listing so it is easier to find our brown, pink, white and green noise. The app itself works exactly as in 1.4: the same 39 sounds, sleep stories, timers and breathing exercises.
MoreSubscriptions & In-App Purchases
Halcyon Premium (Monthly)
Halcyon Premium allows you to enjoy all features
Developer apps
FAQ
What is Halcyon?
Halcyon is a health and fitness app designed to help users fall asleep, relax, and focus. It offers customizable soundscapes, sleep stories, guided relaxations, and breathing exercises.
Does Halcyon have ads?
No, Halcyon does not contain advertisements. The app is free to download and offers optional premium features through a subscription.
What sounds are available in Halcyon?
Halcyon offers 39 high-quality sounds across categories like Nature, Water, Noise, Comfort, Ambience, Pulses, and Frequencies. Premium users have access to all sounds with unlimited layers.
Can I use Halcyon offline?
Yes, Halcyon supports background playback, allowing sounds to continue playing with the screen off. You can also save mixes and settings for offline use.
What are the subscription options for Halcyon Premium?
Halcyon Premium offers monthly and annual subscription plans. The annual plan includes a 7-day free trial. Subscriptions can be managed or canceled in App Store settings.
How does the sleep timer work in Halcyon?
The sleep timer in Halcyon gently fades sounds to silence, preventing abrupt awakenings. You can save a timer with any sound mix or set a default timer.
What devices is Halcyon available on?
Based on the provided data, Halcyon is supported on iPhone. The age rating for the app is 4+.
How often is Halcyon updated?
The latest version of Halcyon is 1.4.0, last updated on October 3, 2026. This indicates a relatively frequent update schedule.
