Calma

What it does

Calma is a sleep sound mixer for iOS and Android. Mix rain, nature sounds, white noise, ambient audio and brainwave sessions into your own calming soundscape. Save your favorite mixes, use guided breathing, and build a nightly ritual — no account and no recurring subscription.

• IB
  I built a simple ambient sound app with no ads or subscriptionsOct 2025 · ambisounds.app · ▲314

  I’ve always liked having background noise while working or falling asleep, but I got frustrated that most “white noise” or ambient sound apps are either paywalled, stuffed with ads, or try to upsell subscriptions for basic features. So I made Ambi, a small iOS app with a clean interface and a set of freely available ambient sounds — rain, waves, wind, birds, that sort of thing. You can mix them, adjust volume levels, and just let it play all night or while you work. Everything works offline and there are no hidden catches. It’s something I built for myself first, but I figured others might…

• 
  White Noise2014 · ▲94

  App that plays sounds that'll help you relax & sleep

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  Sonaura27d ago · apps.apple.com · ▲3

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  Peaceful Night: Sleep & Calm SoundsNov 2025 · ▲7

  Relaxing sounds to help you sleep better and stay focused.

• 
  Calmify: Relax & Sleep SoundsDec 2025

  Calm your mind with perfectly mixed ambient sounds

• TL
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