# FlowTone — White Noise for Focus & Sleep

> White Noise for Focus & Sleep (iPhone/iPad app by Heejae Kim.)

- Source: https://appshunter.io/ios/app/flowtone/id6754384220 (this page in markdown: same URL + `.md`)
- Developer: [Heejae Kim](https://appshunter.io/developer/1001009663)
- Category: Health & Fitness, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 34 MB
- Languages: American English, Korean
- Released: 2025-10-24
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/flowtone/id6754384220/reviews.md

## What is FlowTone?

Boost your focus and productivity with FlowTone.

Create the perfect focus environment with white noise, binaural beats, and nature sounds. Ideal for studying, working, meditation, and sleep.

■ Key Features

▶ Diverse Sounds
• White Noise (White, Pink, Brown)
• Binaural Beats (Delta, Theta, Alpha, Beta, Gamma)
• Nature Sounds (Rain, Ocean, Wind, Forest)
• Custom WAV file upload support

▶ Powerful Mixing
• Play up to 8 sounds simultaneously
• Individual volume control for each sound
• Master volume control
• Save your favorite combinations

▶ Convenient Playback
• Background playback support
• Lock screen controls
• Timer function (auto-stop)
• Fade in/out effects

▶ User Experience
• Intuitive and simple UI
• Dark mode support
• Energy-efficient design
• Works offline

■ Use Cases

Study/Work
Block out distractions and maximize focus with white noise.

Meditation/Yoga
Reach deep relaxation with alpha wave binaural beats.

Sleep
Fall asleep easily with delta waves and nature sounds.

Creative Work
Boost creativity and inspiration with theta waves.

■ What are Binaural Beats?

A scientifically-backed method that presents slightly different frequencies to each ear to guide your brainwaves into specific states.

• Delta (0.5-4 Hz): Deep sleep
• Theta (4-8 Hz): Meditation, creativity
• Alpha (8-14 Hz): Relaxation, focus
• Beta (14-30 Hz): Alertness, concentration
• Gamma (30-100 Hz): Enhanced cognition

■ Privacy First

• No personal data collection
• All data stored locally on device
• No ads
• No internet required

Experience the ultimate flow state with FlowTone.


## Version history (last 1 release)

### 1.0 — 2025-10-24

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 2026-05-19.*