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App Store Apps > Health & Fitness > Calmspace: Sleep Sounds, Relax
Calmspace: Sleep Sounds, Relax icon

Calmspace: Sleep Sounds, Relax

by Safiye Merve Kolakoglu · Health & Fitness · Free
On the App Store since April 2024 · Data updated 2026-10-28

Calmspace: Sleep Sounds, Relax is made and published by Safiye Merve Kolakoglu. AppBrain is an independent app data site and isn't affiliated with Safiye Merve Kolakoglu. The app name, icon, screenshots and description belong to Safiye Merve Kolakoglu and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
5.00
2 ratings
Last updated
July 10, 2026
Size
114.2 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

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Ratings and reviews on the App Store

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Store listing

By Safiye Merve Kolakoglu, from the App Store
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Screenshots by Safiye Merve Kolakoglu, from the the App Store listing
Description by Safiye Merve Kolakoglu Written by the developer, not by AppBrain. Click to read.
Find calmer evenings, deeper sleep, and steadier focus. Calmspace blends a curated library of relaxing sounds, meditation music, and brainwaves with guided breathwork and adaptive routines: a quiet companion that learns what helps you settle.

Built for people who want relief without the noise: no streaks to perform, no coaches to follow, no quizzes to retake. Just an atmosphere that fits the moment and remembers what worked.

WHAT MAKES CALMSPACE DIFFERENT

Adaptive, not generic. Home tunes itself to your evening: a hero pick chosen for the time of day, a mood-aware atmosphere, and routines you can save and bring back in one tap.

Breath that fits the moment. Six guided patterns calibrated for sleep, focus, or release: the full session runs in-app with ducked audio, an organic breathing visual, and gentle haptics.

Quiet by design. No avatars, no streak pressure, no airport-loud Home screen. Sensory richness instead of decision overload.

SOUNDS, MUSIC & BRAINWAVES

• Nature: rain, thunder, wind, fire, sea, river, birdsong, cat purrs, café ambience
• Noise: white, pink, and brown (fine-tuned for sleep or deep focus)
• Music: meditation, ambient, classical (Bach, Chopin, Mozart, Satie, Schubert), lofi, soft piano, handpan, and more
• Brainwaves: binaural beats, isochronic tones, and Solfeggio frequencies covering delta (sleep), theta (deep meditation), alpha (relax), and beta (focus)
• Curated mixes: Meditation, Sleep, Focus, and Relax scenes, from Japanese Zen Garden to Lucid Dreaming

Mix any sounds together with independent volume controls, save your favorite combinations as your own lists, and let the sleep timer fade everything down at the end.

MEDITATION, YOUR WAY

No scripts, no coach voice. Build the sitting that fits you: a theta brainwave for depth, the meditation music collection, or a mix like Mountain Temple or Sands of Serenity. Open with a breath pattern and set a timer to bring you back.

GUIDED BREATHWORK

• Box Breathing (4-4-4-4): steady focus, balanced energy
• Belly Breathing: slow, deep calm before bed
• 4-7-8 Breathing: calms the nervous system before sleep
• Coherence Breathing (5-5): heart-mind sync, designed for relax mode
• Physiological Sigh: one of the fastest known ways to release stress
• Bhramari (Humming Bee): a soft hum that settles a busy mind

Sessions duck active audio to a whisper, run with a calming visual and optional haptics, then restore your soundscape when you're done.

ROUTINES THAT REMEMBER

Save your favorite combination (breath pattern, sound mix, and timer) as a Routine. Tag it Sleep, Focus, or Relax and it lives on the Yours tab. One tap brings it back, exactly the way you left it.

MOOD-AWARE HOME

Tap Sleep, Focus, or Relax to retune the atmosphere: the hero pick, the breath suggestion, and the visual palette shift to match the mood. Don't tap anything and Home reads the time of day on its own.

THE QUIET DETAILS

• Offline by default: the catalog downloads silently on Wi-Fi so it's there at 2am
• Background playback while you read, write, or drift off
• Sleep timer with smooth fade-out, no abrupt stop
• Localized in 13 languages
• Gentle streaks that encourage, never shame

THE SCIENCE

Calmspace draws on what's known to help: binaural beats for entrainment, Solfeggio frequencies for resonance, nature soundscapes for autonomic reset, and breathwork patterns from clinical and contemplative traditions.

FREE & PREMIUM

The free tier is generous: the adaptive Home, the foundational breathing patterns (Box and Belly), and a meaningful slice of the sound library. Premium unlocks the full catalog, the deeper breathwork (4-7-8, Coherence, Physiological Sigh, and Bhramari), and the richness that turns a habit into a ritual. Monthly and yearly subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period.

CONTACT

Questions or feedback: info@calmspace.app
Terms: https://calmspace.app/terms
Privacy: https://calmspace.app/privacy-policy
Official page on the App Store Also on Google Play

Safety and technology

Found in the app by AppBrain
Price
Free
App size
114.2 MB
Content rating
Everyone

Technologies used by Calmspace: Sleep Sounds, Relax

Releases

Updates seen on the App Store
Version
2.4.0
Launched
April 2024

No changelog data

Alternatives

Similar apps and more from Safiye Merve Kolakoglu

Also available on Google Play

Calmspace: Sleep Sounds, Relax icon Calmspace: Sleep Sounds, Relax
Calmspace
4.3
Free
1,000+

Rankings

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About the app and developer

About Calmspace: Sleep Sounds, Relax

Calmspace: Sleep Sounds, Relax is a health & fitness app developed by Safiye Merve Kolakoglu.

What is the rating of Calmspace: Sleep Sounds, Relax?

Calmspace: Sleep Sounds, Relax is rated 5.00 out of 5 stars, based on 2 ratings.

Is Calmspace: Sleep Sounds, Relax free?

Calmspace: Sleep Sounds, Relax is free. The app size is 114.16 MB. The latest version available is 2.4.0. The last update was on July 10, 2026.

What are the requirements for Calmspace: Sleep Sounds, Relax?

The app has a content rating of Everyone. The app has been available on the App Store since April 2024.

Developer information for Safiye Merve Kolakoglu

Safiye Merve Kolakoglu

Address:

Frequently asked questions about Calmspace: Sleep Sounds, Relax

Is Calmspace: Sleep Sounds, Relax free?

Yes. Calmspace: Sleep Sounds, Relax is free on the App Store.

Is Calmspace: Sleep Sounds, Relax still available?

Yes. Calmspace: Sleep Sounds, Relax is on the App Store, and the last update we saw was on July 10, 2026.

How large is Calmspace: Sleep Sounds, Relax?

Calmspace: Sleep Sounds, Relax is 114.16 MB.

Is Calmspace: Sleep Sounds, Relax suitable for children?

App Store rates the content of Calmspace: Sleep Sounds, Relax as suitable for everyone.

How do people rate Calmspace: Sleep Sounds, Relax?

Calmspace: Sleep Sounds, Relax scores 5.00 out of 5 stars, from 2 ratings on the App Store.

Who made Calmspace: Sleep Sounds, Relax?

Calmspace: Sleep Sounds, Relax was developed by Safiye Merve Kolakoglu. It is listed in the health & fitness category on the App Store.

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