Calma: Sleep Sounds & Relax

White noise, rain & nature

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Build your own sleep mix with white noise, rain, brown noise, ocean and nature sounds. Add Brainwave Lab and guided breathing. One-time unlock, no subscription. Your sleep mix. Your rules. Calma is a premium sleep sounds mixer for people who want more control than a single play button. Layer white noise, rain, brown noise, ocean waves, fan sounds and nature ambience — tune every volume until your mix feels right. Create your own soundscape for sleep, focus or quiet wind-down: - Mix multiple sounds at once - Adjust each layer with individual volume control - Save favorite mixes for one-tap playback - Set a sleep timer for bedtime sessions - Explore Brainwave Lab for optional binaural sessions - Follow guided breathing with BreathSync Calma is designed to feel calm from the first tap: dark, minimal and distraction-light. Free to start. Selected premium content can be opened with rewarded access. Full experience available with a one-time lifetime unlock — no subscription required. Night Sky adds a gentle ritual layer: collect stars, build your constellation, and unlock exclusive sounds as your sky grows. Coming back each evening feels rewarding without pressure. No subscription. No renewal. Just a flexible sleep sounds mixer you can shape around your own routine.

Ratings & Reviews

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This update includes new constellations, refreshed app icons, improved iOS release metadata, and several stability fixes across audio playback, notifications, and Quiet Pages.

Version 1.0.4.19

The developer, MATEUSZ KOZŁOWSKI, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

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
  • MATEUSZ KOZŁOWSKI
Size
  • 145.2 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 13.0 or later.
  • iPhone
    Requires iOS 13.0 or later.
  • iPad
    Requires iPadOS 13.0 or later.
  • iPod touch
    Requires iOS 13.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
13+
  • 13+
  • Learn More
  • Infrequent
    Medical Treatment information

    Contains
    Advertising
    Health or Wellness Topics
In-App Purchases
Yes
  • Calma PRO Lifetime Launch $12.99
  • Calma PRO Lifetime $14.99
  • Learn More
Copyright
  • © 2026 Mateusz Kozłowski / MitySoft
  • Developer Website
  • Privacy Policy