---
title: "Tone Flow: Sound Therapy - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Tone Flow is a precision frequency generator with 80+ curated tones across 12 categories, designed for sound wellness, meditation, relaxation, and audio calibration.  FEATURES  - 80+ Frequencies — Sol"
---

# Tone Flow: Sound Therapy — United States
> Sound Frequency Generator

![Tone Flow App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/7b/26/32/7b2632d1-9a6c-7c5b-8060-b06cf74e5378/AppIcon-1x_U007emarketing-0-8-0-85-220-0.png/434x0w.png)

**Developer:** [Ocean Path Ventures](https://apptail.io/developer/ocean-path-ventures-ImJgHb)
**Category:** Utilities
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** com.oceanpath.toneflow
**Store:** Apple App Store
**Country:** United States
**Version:** 1.1 (released 2026-02-16)
**Original Release:** 2026-02-12
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6758593023)
**AppTail Page:** [https://apptail.io/app/tone-flow-sound-therapy-pzKy/united-states](https://apptail.io/app/tone-flow-sound-therapy-pzKy/united-states)

## Tone Flow Description
Tone Flow is a precision frequency generator with 80+ curated tones across 12 categories, designed for sound wellness, meditation, relaxation, and audio calibration.

FEATURES

- 80+ Frequencies — Solfeggio, Schumann resonance, Chakra, Angelic, Planetary, Sacred geometry, Rife, Otto tuners, Harmonic, Therapeutic, and more
- Multiple Waveforms — Sine, Square, Triangle, and Sawtooth for different tonal qualities (Pro)
- Custom Frequencies — Create and save your own tones from 1 Hz to 25,000 Hz
- Favorites — Quickly access your most-used frequencies
- Background Playback — Keep tones playing while using other apps
- Lock Screen Controls — Play, pause, and see what's playing from your lock screen
- AirPlay Support — Stream to external speakers and devices
- Built-in Sound Therapy Guide — Learn about each frequency category and how to use them

FREQUENCY CATEGORIES

- Solfeggio (174–1174 Hz) — Ancient tones used in wellness practices
- Schumann Resonance (7.83–93.96 Hz) — Earth's natural electromagnetic frequencies
- Chakra (126–272 Hz) — Tones associated with energy centers
- Angelic (111–999 Hz) — Sequences used in spiritual practice
- Planetary — Frequencies derived from planetary orbits
- Sacred Geometry (108, 432, 864 Hz) — Tones rooted in mathematical harmony
- Otto Tuners (8–128 Hz) — Earth-based grounding tones
- Rife (20–1550 Hz) — Frequencies used in complementary wellness
- Harmonic — Just intonation scale with pure mathematical ratios
- Modern — Standard equal temperament tuning (A4 = 440 Hz)
- Therapeutic — Biosonics and Fibonacci-based frequencies

PRECISION AUDIO

Every tone is generated in real-time with ±0.01 Hz accuracy using a professional audio engine. Smooth fade-in and fade-out prevent clicking or harsh transitions.

PRO UPGRADE

Unlock all four waveform types, unlimited favorites, and an ad-free experience with a single one-time purchase. No subscriptions.

Note: Tone Flow is designed for wellness, relaxation, and educational exploration. It is not a medical device and does not diagnose, treat, or cure any condition.

## Tone Flow Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/03/5d/22/035d2258-75be-0067-3520-c1dc95ac90a8/Apple_iPhone_16_Pro_Max_Screenshot_1.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/89/11/37/8911373a-fd23-17a3-e099-ca6e902c7d2f/Apple_iPhone_16_Pro_Max_Screenshot_2.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ef/5b/03/ef5b0325-7ed5-6571-aea3-f4941dcc86ce/Apple_iPhone_16_Pro_Max_Screenshot_3.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/16/30/05/16300580-f10e-211d-9270-c856f1f3160c/Apple_iPhone_16_Pro_Max_Screenshot_4.png/1320x2868.png)

## Tone Flow Rating Breakdown in United States
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## Tone Flow In-App Purchases
| Item | Price |
|------|-------|
| ToneFlow Pro | $4.99 |



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## Tone Flow Available In
- [United States](https://apptail.io/app/tone-flow-sound-therapy-pzKy/united-states)
- [Belize](https://apptail.io/app/tone-flow-sound-therapy-pzKy/belize)
- [China](https://apptail.io/app/tone-flow-sound-therapy-pzKy/china)
- [Cyprus](https://apptail.io/app/tone-flow-sound-therapy-pzKy/cyprus)
- [Hungary](https://apptail.io/app/tone-flow-sound-therapy-pzKy/hungary)
- [Australia](https://apptail.io/app/tone-flow-sound-therapy-pzKy/australia)
- [Lithuania](https://apptail.io/app/tone-flow-sound-therapy-pzKy/lithuania)
- [Nigeria](https://apptail.io/app/tone-flow-sound-therapy-pzKy/nigeria)
- [Thailand](https://apptail.io/app/tone-flow-sound-therapy-pzKy/thailand)
- [Lebanon](https://apptail.io/app/tone-flow-sound-therapy-pzKy/lebanon)

---

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