Tone Flow: Sound Therapy

Sound Frequency Generator

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

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.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Major update! New breathing guide, ambient visuals, waveform picker, and a completely redesigned player experience.

Version 1.1

The developer, Ocean Path Ventures LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Ocean Path Ventures LLC
    Size
    • 1.1 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    9+
    • 9+
    • Learn More
    • Contains
      Advertising
      Health or Wellness Topics
    In-App Purchases
    Yes
    Copyright
    • © Ocean Path Ventures LLC 2026
  • Privacy Policy

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