# 1/f Fluctuation Noise - NOIZZz — For Sleep and Tinnitus

> For Sleep and Tinnitus (iPhone/iPad app by VOSTOK LIMITED, K.K..)

- Source: https://appshunter.io/ios/app/1f-fluctuation-noise/id6755816273 (this page in markdown: same URL + `.md`)
- Developer: [VOSTOK LIMITED, K.K.](https://appshunter.io/developer/1743354769)
- Category: Health & Fitness, Medical
- Price: Free
- Age rating: 12+
- Requires: iOS 15.0 · 95 MB
- Languages: English
- Released: 2025-12-01
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/1f-fluctuation-noise/id6755816273/reviews.md

## What is 1/f Fluctuation Noise?

NOIZZz The 1/f Fluctuation Noise Generator App	
48kHz Real-time noise oscillator generates pure random noises.	
	
Low Pass Filter	
Low-pass filter is for relaxation. It can create sounds like indoor wind and rain, road noises, or a spacecrafts cabin.	
	
High Pass Filter	
High-pass filters are used to mask tinnitus. They can generate sounds like rain or high frequencies.	
	
Pink noise	
Brown noise	
White noise	
Stop timer	
Dark theme for use in bedroom	
Works completely offline


## Version history (last 3 releases)

### 1.1.0 — 2026-03-30

Preset buttons added.
Security update.

### 1.0.1 — 2025-12-02

Small bug fix

### 1.0.0 — 2025-12-01

No release notes.

## More apps by VOSTOK LIMITED, K.K.

- [SE Pad - PonPad Rec](https://appshunter.io/ios/app/se-pad/id6499411505)
- [Who was that again? DaréDakke](https://appshunter.io/ios/app/who-was-that-again-dardakke/id6756564185)
- [Basteto's Fortune](https://appshunter.io/ios/app/bastetos-fortune/id6757508663)
- [Synthetic Binaural Beats](https://appshunter.io/ios/app/synthetic-binaural-beats/id6758994216)
- [HandsFree Rec](https://appshunter.io/ios/app/handsfree-rec/id6759588129)

All apps by VOSTOK LIMITED, K.K.: https://appshunter.io/developer/1743354769

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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 2026-05-17.*