Cheap Keys AUv3: Retro Synth
Sonic Market
About this app
- Age 10
- Updated Mar 27, 2026
- OS IOS
Editor reviews
Cheap Keys AUv3: Retro Synth is a lightweight iOS synth for creating vintage keys, 80s leads, and lo-fi pads. It runs as a standalone app or an AUv3 plug-in inside GarageBand, Logic Pro for iPad, AUM, Cubasis, and other iOS DAWs, making it ideal for mobile music production.
Core features:
- Retro-inspired sound engine with classic waveforms, warm filters, and punchy envelopes for authentic analog-style tones
- Built-in effects like chorus, delay, and drive to shape character-rich sounds without extra plug-ins
- AUv3 support, MIDI input, host automation, and preset management for a smooth workflow in any iOS DAW
Perfect for producers, beatmakers, and sound designers seeking a simple, CPU-friendly AUv3 synth for quick ideas, layered keys, and nostalgic textures. Keywords: AUv3 synth, retro synth, iOS music production, GarageBand plugin, MIDI, sound design
Screenshots
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How to use:
1. Download and open the app on iPhone or iPad, or load it as an AUv3 plug-in in a compatible host like GarageBand, Logic Pro for iPad, AUM, or Cubasis.
2. Pick a preset to get started, then play using the on-screen keys or connect a MIDI controller via USB, Bluetooth, or your host.
3. Shape your sound by adjusting oscillators, filter cutoff and resonance, envelopes, and the built-in effects such as chorus and delay.
4. Record your performance in the host DAW and use host automation or MIDI CC to automate parameters over time.
5. Save your custom presets and bounce or export your track from the host when you are happy with the mix.