# Noisio — Noise for Focus, Rest & Sleep

> Noise for Focus, Rest & Sleep (iPhone/iPad app by Makoto Ozawa.)

- Source: https://appshunter.io/ios/app/noisio/id6762284420 (this page in markdown: same URL + `.md`)
- Developer: [Makoto Ozawa](https://appshunter.io/developer/1893648733)
- Category: Health & Fitness, Music
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 9 MB
- Languages: American English
- Released: 2026-10-11
- Data updated: 2026-10-14

## What is Noisio?

When music feels like too much—but silence isn’t enough.

Noisio generates a continuous spectrum of noise designed for focus, relaxation, and sleep. Instead of choosing from a few fixed sounds, you can smoothly shape the sound from crisp white noise to soft pink noise, warm brown noise, and immersive deep noise.

Find the balance that feels right for your environment, your headphones, and your moment.

KEY FEATURES

• Continuous Noise Control
Smoothly adjust the exponent α in 1/f^{α} from 0 to 4, moving seamlessly between white, pink, brown, and deep noise.

• Real-Time Visualization
See the generated sound through a live waveform and power spectrum.

• Tidal Mode
Let the noise color move gently in a natural, wave-like rhythm for a more organic listening experience.

• Background Audio
Keep listening while using other apps or when your screen is locked.

• Sleep Timer
Choose when playback should stop automatically.


NOISIO UNLIMITED
Upgrade to Noisio Unlimited to unlock:
• Ad-free listening
• Background Audio
• Tidal Mode
• Sleep Timer

Monthly and annual plans are available.
Whether you’re working, reading, resting, or falling asleep, Noisio gives you sound without distraction.


Your noise, shaped for your moment.

Terms of Use: 
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Noisio Unlimited Monthly | $1.99 | per month |
| Noisio Unlimited Annual | $19.99 | per year |


## Is Noisio safe?

Not enough ratings yet to assess Noisio.

## Is Noisio legit?

Noisio has limited verification signals. The AppsHunter Legitimacy Score for Noisio is 50 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-13

Minor updates and improvements.

### 1.0 — 2026-10-09

No release notes.

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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 2026-10-14.*