A hands-on course in synthesis

Learn how synthesizers really work.

Aether Learn teaches you sound from the ground up — one hands-on lesson at a time. No jargon, no prerequisites. Every idea comes with a real synth engine you play with your finger, so you hear it the moment you read it.

Coming soon to the App StoreWhat you'll learn
iPhone · iOS 17+ · No account, no sign-up, nothing collected
A waveform being built from pure sine waves, one at a time
SOUND & FREQUENCYWAVEFORMSFILTERSENVELOPESMODULATION

Five modules. From what sound is, to making sounds you understand.

Learn by playing

Read it, watch it, then play it yourself.

Every lesson has three steps: the idea in plain language, a short demo that moves the controls for you, then a real instrument you play. The waveform, harmonics, filter curve, and envelope all respond in real time as you turn the knobs.

Start at the very beginning

What sound is, how frequency becomes pitch, and why a wave's shape decides its character. No prior music theory needed — just curiosity and headphones.

See a wave built from sines

Add pure sine waves one at a time and watch them stack into a bright saw — then hear the tone sharpen with every one. The idea behind every sound, made visible.

Shape tone with filters

Sweep the cutoff, add resonance, and hear the classic filter sweep. A live, EQ-style curve shows exactly which harmonics you keep and which you carve away.

Sculpt sound over time

Attack, hold, decay, sustain, release, and delay — the envelope that turns one raw tone into a pluck, a pad, or a stab. Watch the playhead ride the shape you draw.

Add motion and movement

LFOs, vibrato, tremolo, and the rhythmic filter wobble at the heart of bass music. Point one modulator anywhere and hear the sound come alive.

Yours, on device

Everything runs on your phone. No account, no analytics, no network calls. Learn at your own pace, fully offline.

A look inside

A real synth, in every lesson.

A deep, dim interface that keeps the focus on sound — with a color for every module and a live instrument on every screen.

Building a wave from sine waves
Filter cutoff and resonance
The ADSR envelope shape
Playing the built-in synth

Go from zero to making sounds you understand.

Aether Learn is a one-time download. No subscription, no sign-up — just the whole introductory course to sound design.

Coming soon to the App Store