Nimbus: Sleep Sounds
Nimbus: Sleep Sounds is made and published by Mitchell Down. AppBrain is an independent app data site and isn't affiliated with Mitchell Down. The app name, icon, screenshots and description belong to Mitchell Down and are shown as published on the App Store.
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- Last updated
- May 1, 2026
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Releases
Updates seen on the App Store- Version
- 1.0.1
- Launched
- April 2026
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 66.2 MB
- Content rating
- Everyone
Technologies used by Nimbus: Sleep Sounds
About the app and developer
About Nimbus: Sleep Sounds
Nimbus: Sleep Sounds is a health & fitness app developed by Mitchell Down.
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App Information
Nimbus: Sleep Sounds is freely available from the App Store. The app size is 66.17 MB. The latest version available is 1.0.1. The last update was on May 1, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since April 2026.
Developer information for Mitchell Down
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Store listing
By Mitchell Down, from the App Store
Description by Mitchell Down Written by the developer, not by AppBrain. Click to read.
Most sleep sound apps have not changed in years. They are cluttered, slow to load, and full of ads that jolt you awake mid-session. Nimbus was built from scratch to be the opposite: no ads, no account, no paywall, and playing within a second of opening.
WHAT'S INSIDE
Summer Storm is Nimbus's first hand-crafted soundscape. Three independent audio layers; rainfall, distant thunder, and wind, each with its own dual sliders. Pull rain up, fade wind back, leave thunder as a low rumble. Save your preferred mix with a tap and it will be waiting next time you open the app.
The visualisation responds to what you hear. As audio layers shift, the animated storm scene shifts with them. It's an experience built to feel alive rather than like a static screensaver.
SLEEP TIMER
Set a timer from 1 minute to 10 hours. When time is up, audio fades out gradually rather than cutting abruptly, so you stay asleep. An optional alarm tone plays at the end of the timer if you want a gentle wake.
YOUR PREFERRED MIX, REMEMBERED
Heart any mix to save it as a favourite. Nimbus remembers your slider positions so you never have to rebuild the same storm twice.
BUILT FOR SLEEP AND FOCUS
Whether you need to fall asleep, stay asleep, block a noisy environment, or find a sonic backdrop for deep work, a layered storm is one of the most effective ambient sounds available. Rainfall masks irregular noise; distant thunder adds low-frequency texture; wind fills the upper register.
NO ACCOUNT, NO ADS, NO TRACKING
Nimbus has no ads, no in-app purchases, no account requirement, and no analytics tracking. Everything works fully offline, the complete app is bundled at install, so it plays the moment you open it with no loading spinners and no network needed.
MORE SOUNDSCAPES COMING
Summer Storm is the first chapter. Additional hand-crafted soundscapes are in development.
Nimbus works on iPhone and iPad running iOS 17 or later required.