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App Store Apps > Utilities > LSleep
LSleep icon

LSleep

by KYUNGDOE LEE · Utilities · $0.99
On the App Store since June 2026 · Data updated 2026-10-30

LSleep is made and published by KYUNGDOE LEE. AppBrain is an independent app data site and isn't affiliated with KYUNGDOE LEE. The app name, icon, screenshots and description belong to KYUNGDOE LEE and are shown as published on the App Store.

AppBrain's verdict

Last updated
October 28, 2026
Size
2.45 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

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Store listing

By KYUNGDOE LEE, from the App Store
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Screenshots by KYUNGDOE LEE, from the the App Store listing
Description by KYUNGDOE LEE Written by the developer, not by AppBrain. Click to read.
[Overview]
LSleep is an ad-free, minimal audio app focused on sleep sound playback and timer control. When the timer ends, the audio session fades out and terminates completely to protect hearing and prevent battery drain.

[Key Features & Sound Technology]
• Virtual Bass Synthesis: Optimizes low frequencies and filters out harsh high-frequency noise tailored to mobile speakers.
• 3-Phase Sleep Engine: Gradually modulates sound frequencies over time to match each stage, from falling asleep to staying asleep.
• Complete Resource Release: Fully deallocates audio connections when the timer ends, preventing background battery consumption.
• System Integration: Supports Lock Screen controls, Home Screen widgets, and Live Activities.
• Additional Options: Includes an audio adaptation mode to reduce listening fatigue during long sessions, plus a screen keep-awake option.

[7 Sound Profiles]
• Sleep Hybrid: Flagship track designed for fast sleep onset and deep rest
• Deep Brown: Brown noise with deep, calming low-frequency resonance
• Heavy Brown: Dense, low-frequency wind-based sound profile
• Sub-bass Brown: Ultra-low frequency noise with minimal sonic stimulation
• Soft Pink: Balanced pink noise with high frequencies smoothed out
• Warm White: White noise tuned to mask ambient noise and tinnitus
• Balanced Green: Grounding green noise for relaxation and meditation

[Privacy & Support]
• Contains no ads and collects zero personal data.
• Contact & Feedback: lmind0179@gmail.com
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
$0.99
App size
2.45 MB
Content rating
Everyone

Technologies used by LSleep

Releases

Updates seen on the App Store
Version
1.7
Launched
June 2026

No changelog data

Alternatives

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Rankings

App Store top charts

App Store Rankings for LSleep

This app is not ranked

About the app and developer

About LSleep

LSleep is an utilities app developed by KYUNGDOE LEE.

What is the rating of LSleep?

LSleep has no ratings yet.

Is LSleep free?

LSleep costs $0.99. The app size is 2.45 MB. The latest version available is 1.7. The last update was on October 28, 2026.

What are the requirements for LSleep?

The app has a content rating of Everyone. The app has been available on the App Store since June 2026.

Developer information for KYUNGDOE LEE

KYUNGDOE LEE

Address:

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