Focus & Sleep: Onkei
Nature, Fan, White Noise, Rain
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Fall asleep faster. Focus deeper. Breathe better.
Onkei combines a Pomodoro focus timer with calming nature sounds, sleep tracking, and guided breathwork, everything you need to be more productive and rest more deeply.
FOCUS & PRODUCTIVITY
• Pomodoro timer with customizable work/break intervals
• Ambient soundscapes designed for deep concentration
• Track your focus sessions and build better habits
SLEEP & RELAXATION
• Soothing sounds: rain, ocean waves, waterfall, and more
• Sleep tracking to understand your rest patterns
• Wind-down routines to prepare your mind for sleep
BREATHWORK & MINDFULNESS
• Box breathing and guided breathing exercises
• Zen-inspired mindfulness sessions
• Calm your mind in minutes
Some Features require a subscription.
- Privacy Policy: https://sa-moo-rai.com/about
- Terms of Service: https://www.apple.com/legal/internet-services/itunes/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug fixes & performance improvements.
The developer, Valentin Dreyfus, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Valentin Dreyfus
- Size
- 74.2 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 16.1 or later.
- iPhone
Requires iOS 16.1 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- One Time Unlock $0.00
- Yearly Premium $19.99
- Weekly Premium $5.99
- Special Promotion $5.49
- Premium 1 month $7.49
- Copyright
- © 2025-2026 SA-MOO-RAI