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.
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- 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.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- Copyright
- © 2026 Carl Groner

