As both a musician and a software engineer, I've always found drones incredibly useful for my musical creativity, supporting my practice with singing, flute, didgeridoo, and other instruments like synthesiser and guitar. That passion for music and technology led me to bring DroneSynth to iOS, built from the ground up for the Apple ecosystem. Including AU support for supported DAWs
DroneSynth turns your iPhone and iPad or Mac into a hands-on, analog-style drone synthesiser built for ambient textures, evolving pads, and hypnotic soundscapes — no menus to dig through, knobs you can hear. It now includes AU Support on all platforms.
Layer three independent oscillators — sine, triangle, square, saw, and pink noise — each with its own volume, octave, semitone, and fine-tune. Shape the blend with a full ADSR envelope and two independent LFOs modulating filter cutoff and pitch, each with sine, triangle, or random shapes and drift.
STEREO-CAPABLE MOOG LADDER FILTER
Sculpt your tone with a classic Moog Ladder filter, featuring live cutoff and resonance. Upgrade to true stereo filtering — two independently detuned filters panned hard left and right — for a wider, richer, more three-dimensional drone.
BUILT-IN EFFECTS
• Tempo-syncable delay with tap-tempo and ping-pong stereo bouncing
• Lush reverb across four distinct spaces — Room, Hall, Plate, and Cathedral — each with its own size, pre-delay, and decay character
PERFORMANCE-READY
• Drone/sustain mode for endless, hands-free evolving tones
• On-screen keyboard with adjustable octave and range
• Save and recall unlimited presets, so your favourite patches are always one tap away
• Adaptive layout — a focused portrait view and a full landscape control surface with a persistent sidebar, so every parameter stays reachable
Whether you're scoring a film, building a meditation soundscape, or want a synth that rewards knob-twisting over menu-diving, DroneSynth gives you real-time control over every stage of the signal path.
Stereo Filters is available as an optional one-time in-app purchase.
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What's New in Version 1.3.2
Stop a drone from anywhere
• While DroneSynth plays, it now appears on the lock screen and in Control Centre, like music does. Tap Stop to silence it without unlocking your phone.
• The DroneSynth plugin has its own STOP button, for a drone left sounding when your iPhone or iPad controlling it loses its connection.
Steadier LFOs
• Sine, Triangle and Square LFOs now run perfectly steady. The gentle drift is kept for the Random shape, which is the only one with a RANDOM knob.
• The filter LFO now starts on the Random shape.
Version 1.3.2
The developer, frederick bertram, 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 based, for example, 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