Sonlo: Sleep Sounds
White Noise, Rain & Focus
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Sleep better, focus deeper, and unwind with 140+ white noise, rain, nature, and ambient sounds. Mix your favorites, tune every layer, and set a sleep timer.
Sleep. Focus. Unwind.
Sonlo brings together 140+ high-quality sounds designed for better sleep, deeper focus, and calmer moments.
Explore white noise, brown noise, pink noise, rain, ocean waves, rivers, forests, fireplaces, fans, city ambience, animals, and more. Start with a curated mix or combine sounds to create an atmosphere that feels right for you.
CREATE YOUR OWN SOUNDSCAPE
Layer multiple sounds and adjust each one independently. Make the rain softer, bring the ocean closer, or add just enough brown noise to block out distractions.
EVERYTHING YOU NEED
• 140+ noise, nature, ambient, mechanical, and animal sounds
• Curated mixes for sleep, focus, and relaxation
• Create and save your own sound mixes
• Adjust every sound independently
• Control the overall volume
• Sleep timer with optional fade-out
• Background and lock-screen playback
• Offline playback
• No account required
• Clean, distraction-free design
FOR EVERY MOMENT
Use Sonlo to settle down before bed, mask distracting noise, stay focused while working or studying, meditate, or simply take a quiet break.
Some sounds and features require Sonlo Pro.
Sonlo Pro is available as a monthly or annual auto-renewing subscription, or as a one-time lifetime purchase. Payment is charged to your Apple ID account after confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel subscriptions in your Apple ID settings.
Privacy Policy:
https://sonlo.app/privacy
Terms of Service:
https://sonlo.app/terms
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Thanks for using Sonlo!
What’s new:
- Fixed known issues.
The developer, 亚 蒋, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 亚 蒋
- Size
- 82.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Access $29.99
- Pro Annual $14.99
- Pro Monthly $2.99
- Copyright
- © 2026 Sonlo