Pocket Synth
Low-latency monophonic analog synthesizer and step sequencer. 100% Free.
Test Pocket Synth Engine in Browser
Playable WebAudio subtractive sawtooth ribbon with sub-5ms tactile response.
Pocket Synth brings the tactile acoustic joy of vintage subtractive analog synthesizers to mobile touchscreens with sub-5ms acoustic latency.
Engineered with a bare-metal C++ audio engine, Pocket Synth features selectable oscillator waveforms (Saw, Pulse Width Modulated Square, Triangle, Sine), a resonant 24dB self-oscillating low-pass ladder filter, LFO modulation, and a hands-on 16-step sequencer.
100% free for musicians and sound designers who want to sketch melodic hooks and basslines without cloud logins, latency lag, or subscription paywalls.
- Category
- AUDIO
- Platform
- ANDROID & IOS
- Binary Size
- 8.5 MB
- Min Target OS
- Android 9.0+ / iOS 16.0+
- Version
- 1.0.0-rc1
- Offline Ready
- 100% On-Device
- Telemetry Trackers
- 0 Trackers
- Advertisements
- Zero Ads
- Monetization
- 100% Free
Real-time sound synthesis in your pocket
Sub-5ms C++ Audio Core
Low-level AAudio and CoreAudio audio pipeline delivering instantaneous tactile response with zero audio lag.
24dB Resonant Ladder Filter
Authentic self-oscillating ladder filter emulation with dedicated envelope generator and cutoff modulation.
16-Step Tactile Sequencer
Direct step input, gate length control, slide glide, and accent parameters with zero menu diving.
Continuous Ribbon Controller
Multi-touch pitch ribbon with microtonal pitch bends and selectable musical scale quantizers.
Bluetooth & USB MIDI Out
Transmit MIDI note and CC automation data directly to your desktop DAW or hardware synthesizers.
Pocket Synth vs Legacy Alternatives
| Metric | Pocket Synth (Outlayer Labs) | Standard App Store Apps |
|---|---|---|
| Price | 100% Free (Zero Subscriptions) | $9.99 or monthly pro access |
| Audio Response Latency | Sub-5ms (Bare metal) | 40–120ms (Noticeable touch lag) |
Interface Previews & Telemetry
Ribbon Keyboard
Multi-touch continuous pitch ribbon with microtonal scales
Filter & Modulation
Real-time cutoff, resonance, and LFO modulation dials
Step Sequencer
16-step grid with parameter locking and shuffle
100% Free. Zero Ads. Zero Subscriptions.
All tools built by Outlayer Labs are permanently free to download and use with zero advertising, zero subscription paywalls, and zero cloud lock-in.
Pocket Synth processes all data in local sandboxed memory.
Read the complete legal verification and hardware permissions audit detailing on-device execution.