Tone Flow: Sound Therapy
Sound Frequency Generator
About
This app generates over 80 curated sound frequencies for wellness, meditation, and relaxation. Explore various categories like Solfeggio and Chakra, or create custom tones with multiple waveform options. Enjoy background playback and lock screen controls for seamless use.
What's New in Tone Flow
1.1
February 16, 2026
Major update! New breathing guide, ambient visuals, waveform picker, and a completely redesigned player experience.
In-App Purchases
$4.99
ToneFlow Pro
Unlock all waveforms and unlimited favorites.
FAQ
What is Tone Flow?
Tone Flow is a precision frequency generator app that offers over 80 curated tones across 12 categories for sound wellness, meditation, relaxation, and audio calibration. It features real-time generation with ±0.01 Hz accuracy.
What types of frequencies does Tone Flow offer?
Tone Flow includes categories like Solfeggio, Schumann Resonance, Chakra, Angelic, Planetary, Sacred Geometry, Rife, Otto Tuners, Harmonic, Modern, and Therapeutic frequencies, totaling over 80 distinct tones.
Can I create my own frequencies in Tone Flow?
Yes, Tone Flow allows you to create and save your own custom tones ranging from 1 Hz to 25,000 Hz. This feature enhances the personalization of your sound therapy experience.
What are the Pro features in Tone Flow?
The Pro upgrade unlocks multiple waveform types (Sine, Square, Triangle, and Sawtooth), unlimited favorites, and an ad-free experience. This is offered as a one-time purchase, not a subscription.
Does Tone Flow support background playback?
Yes, Tone Flow supports background playback, allowing you to continue listening to tones while using other applications. It also features lock screen controls for easy management.
Is Tone Flow available on multiple devices?
Tone Flow is currently supported on iPhone and iPad devices, making it accessible for users within the Apple ecosystem. The app was last updated on February 16, 2026.
What is the age rating for Tone Flow?
Tone Flow has an age rating of 4+, making it suitable for a wide range of users interested in sound therapy and relaxation. The app is designed for wellness and educational exploration.
How accurate is the frequency generation in Tone Flow?
Tone Flow generates every tone in real-time with a precision of ±0.01 Hz using a professional audio engine. This ensures high accuracy for all generated frequencies.