AudioKit's King of Digital is an epic 64-voice hybrid synthesizer that combines virtual analog and PCM synthesis, offering over 900 handcrafted presets and 3+ gigabytes of original samples recorded from analog and FM synths over 30 years old. Designed for versatility, it is ideal for creating epic pads, retrowave, digital keys, vaporwave, synthwave, and more. The app features dual layers per voice, keyboard splits, a fun step sequencer, three LFOs capable of modulating each other, and per-voice harmonic key-tracked envelope filters. Its space-saving compression technology compresses all sounds and expansions to a total of 450 MB, ensuring efficient use of device storage. King of Digital is compatible with iPhone, iPad, and iOS AUv3 plug-ins, supporting MIDI input from various sources, including customizable on-screen keyboards, USB MIDI controllers, Bluetooth MIDI controllers, and networked MIDI sources.