# Noise: Comfort Noise for Focus — Sound barrier for study, sleep

> Sound barrier for study, sleep (iPhone/iPad app by hirokazu murabe.)

- Source: https://appshunter.io/ios/app/noise-comfort-noise-for-focus/id6752363345 (this page in markdown: same URL + `.md`)
- Developer: [hirokazu murabe](https://appshunter.io/developer/894364772)
- Category: Entertainment, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 5 MB
- Languages: American English, Japanese
- Released: 2025-09-16
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/noise-comfort-noise-for-focus/id6752363345/reviews.md

## What is Noise?

Can't focus on what truly matters because of distracting noises? Struggling to find the peace you need for a good night's sleep?

Noise Lab is the solution.

This app is your personal sound toolkit, designed with scientifically crafted sounds to guide you into your ideal sanctuary of quiet.
Whether you're diving into a work project, studying for an exam, meditating, or simply drifting off to sleep, our library of high-quality sounds—including White, Pink, and Brown Noise—masks distracting ambient sounds, helping you maximize your focus and deepen your relaxation.
The interface is incredibly simple. Just pick a sound and press play. Adjust the volume to your liking, set the sleep timer, and let the calming atmosphere take over.
■ Unique Feature
But that's not all. Noise Lab also features a unique mode that utilizes special frequencies, designed to help keep your personal space undisturbed during outdoor activities or on quiet evenings, ensuring your comfort from the inside out.

【Key Features】
High-quality sounds for focus and relaxation (White, Pink, Brown Noise, etc.).
A clean, simple, and intuitive user interface anyone can use.
Adjustable volume slider to create your perfect sound environment.
Convenient sleep timer for automatic shut-off (5 min - 1 hour).
A special frequency mode to support your outdoor activities.


## Version history (last 2 releases)

### 1.1 — 2025-12-18

* Minor code maintenance.

### 1.0 — 2025-09-16

No release notes.

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## More apps by hirokazu murabe

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- [フリック漢字マスター - 漢字を覚えながらフリック入力を訓練しよう](https://appshunter.io/ios/app/id1063748098)
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- [Calculator - iPad Version](https://appshunter.io/ios/app/calculator-ipad-version/id1068061534)

All apps by hirokazu murabe: https://appshunter.io/developer/894364772

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-16.*