Tone Flow: Sound Therapy

Discover 80+ healing frequencies for meditation, sound therapy, and deep relaxation. Now with guided breathing, ambient visuals, and 4 professional waveforms.

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.