CAVES - Drone synthesizer

Portable drone synthesizer

$4.99 · Designed for iPad. Not verified for macOS.

Standalone drone synthesizer for iOS — Rich ambient textures from dual oscillators, dual filters, modulation, reverb/delay — all in one app. CAVES is a dual-oscillator standalone drone synthesizer app for crafting evolving ambient textures, deep soundscapes, and experimental tones directly on your iOS device. SOUND ENGINE • PWM Oscillator - Classic pulse-width modulation for warm, analog-style tones • FM Oscillator - Frequency modulation for complex, evolving timbres • Dual Filters - Dual filters with resonance control for tonal shaping • Flexible Routing - Route each oscillator to either or both filters MODULATION & DYNAMICS • 2 LFOs - Modulate frequency, filters, effects, and more for movement and evolution • 2 ADSR Envelopes - Shape filter cutoff and amplitude over time • Clock-Sync Option - Lock modulation to tempo for rhythmic textures EFFECTS • Distortion - Add warmth and saturation • Stereo Delay - Spacious echoes with feedback control • Reverb - Lush ambience and depth STANDALONE APP CAVES is currently a standalone synthesizer. AUv3 plugin support is planned for a future update. Perfect for ambient / drone compositions, sound design, and sonic experimentation.

  • 5.0
    out of 5
    3 Ratings

Background audio support

The developer, Carl Albert Groner, 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

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

    Seller
    • Carl Albert Groner
    Size
    • 7.5 MB
    Category
    • Music
    Compatibility
    Requires iOS 17 or later.
    • iPhone
      Requires iOS 17 or later.
    • iPad
      Requires iPadOS 17 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Carl Groner