Calma Sleep Sounds White Noise

Mix white noise, brown noise and rain sounds into your own sleep mix. Calma is an offline sleep sound mixer: layer several sounds at once, set each volume separately, save your mixes and let the sleep timer fade the sound out gradually. Start free with 55 sounds, 3 layers at once and 5 saved mixes. PRO unlocks all 193 sounds and 6 layers with a one-time purchase. No subscription. MAKE YOUR OWN SOUND MIX Layer steady rain over brown noise, add a ceiling fan underneath and adjust every sound on its own. Save the mix and start the same one tomorrow night with a single tap. 193 SLEEP SOUNDS • Noise: white noise, pink noise and brown noise. • Rain sounds: light rain, steady rain, rain on a roof, thunderstorms. • Nature sounds: ocean waves, forest streams, wind, crickets and birds. • Fire: campfires and crackling fireplaces. • Home and machines: ceiling fans, room fans, washing machine, hair dryer and vacuum hum, the white noise machine sounds many people fall asleep to. • Travel and rooms: train cabin, ticking clock, quiet room. • Music: soft piano and tuning frequencies (174, 396, 432 and 528 Hz). WHITE NOISE FOR BABIES A dedicated baby category with white noise, womb sounds, heartbeat, a lullaby music box, hair dryer and car-ride hum. Use your phone as a portable sound machine in the nursery, in the car or on a walk. OFFLINE PLAYBACK Every sound is stored in the app, so listening needs no streaming and works in airplane mode. No account needed. SLEEP TIMER WITH FADE-OUT Pick a duration and the timer lowers the volume of the whole mix gradually before it stops, instead of cutting the sound off. BINAURAL BEATS AND BREATHING Brainwave Lab plays binaural beats alongside your mix: pick a frequency and layer it under rain or noise. Stereo headphones recommended. Smart Descent (PRO) lowers the beat to 2 Hz over 20 minutes. A guided breathing animation, including the 4-7-8 pattern, is there for your evening wind-down before the mix starts. NIGHT SKY RITUAL Close the day by placing a star in your own night sky. GOOD FOR • Bedtime and naps • Masking sounds from a noisy neighbour, street traffic or a snoring partner • Focus, study and deep work • Relaxation and meditation • Travel: planes, trains and thin hotel walls FREE AND PRO Free, with no time limit: 55 sounds, 3 layers at once, 5 saved mixes, the sleep timer and the breathing exercise. The free version shows banner ads, and you can choose to watch an ad to unlock a PRO sound for a few hours. PRO: all 193 sounds, 6 layers at once, 25 saved mixes, Smart Descent, the full Brainwave Lab range and no ads. One-time purchase, no subscription. Calma is not a medical device. It cannot diagnose, treat, cure or prevent medical conditions. For medical advice, diagnosis or treatment, consult a healthcare professional. Build your first mix tonight.