Lull: Focus & Sleep Sounds
Lull: Focus & Sleep Sounds is made and published by Yuki Okawa. AppBrain is an independent app data site and isn't affiliated with Yuki Okawa. The app name, icon, screenshots and description belong to Yuki Okawa and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- July 20, 2026
- Size
- 34.7 MB
User feedback
Ratings and reviews on the App StoreComments on Lull: Focus & Sleep Sounds for iOS
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Store listing
By Yuki Okawa, from the App Store
Description by Yuki Okawa Written by the developer, not by AppBrain. Click to read.
Tap any sound to start, layer several together, and fine-tune the volume of each one to build your perfect mix. Rain on a campfire night, ocean waves with a soft breeze, or pure brown noise for deep work — it's up to you.
KEY FEATURES
• 12 ambient sounds you can mix freely — rain, heavy rain, ocean, stream, wind, campfire, night, cafe, fan, and white / pink / brown noise
• Independent volume slider for every active sound
• One-tap mixes like "Rainy cafe", "Deep focus" and "Sleep"
• Sleep timer that gently fades the sound out so you can drift off
• Pomodoro mode — sounds play while you focus and pause on breaks
• Keep-screen-on option for nightstand use
• 100% offline — no streaming, no account, no data leaves your device
• Light / dark themes and English / Japanese
Just calm sound whenever you need it.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 34.7 MB
- Content rating
- Everyone
Technologies used by Lull: Focus & Sleep Sounds
Releases
Updates seen on the App Store- Version
- 1.0.1
- Launched
- July 2026
No changelog data
Alternatives
Similar apps and more from Yuki OkawaMore from Yuki Okawa
Rankings
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About the app and developer
About Lull: Focus & Sleep Sounds
Lull: Focus & Sleep Sounds is a health & fitness app developed by Yuki Okawa.
What is the rating of Lull: Focus & Sleep Sounds?
Lull: Focus & Sleep Sounds has no ratings yet.
Is Lull: Focus & Sleep Sounds free?
Lull: Focus & Sleep Sounds is free. The app size is 34.71 MB. The latest version available is 1.0.1. The last update was on July 20, 2026.
What are the requirements for Lull: Focus & Sleep Sounds?
The app has a content rating of Everyone. The app has been available on the App Store since July 2026.
Developer information for Yuki Okawa
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