Chord Progression Manager vs Aether Learn

Chord Progression Manager is the fastest way to build, play, and save chord progressions on iPhone, putting a live, playable chord lane right in your pocket. — BUILD YOUR PROGRESSION — Pick a root note, chord type, and tension, then add it to your progression with a single tap. Reorder or delete chords freely. Use the voicing editor to fine-tune individual notes on an interactive piano roll and craft exactly the sound you want. — PLAY IT BACK — Hear your progression immediately with the built-in synthesizer. Adjust tempo and transpose the entire progression up or down by semitone — no need to rebuild from scratch when you change keys. — SAVE & ORGANIZE — Save as many progressions as you like and keep your favorites just a tap away. Reopen any saved progression into the editor and keep building. — AI MUSIC ASSISTANT — Stuck on what chord comes next? Ask the built-in AI chat. Get suggestions for chord substitutions, borrowed chords, reharmonization ideas, and more — powered by any OpenAI-compatible endpoint you configure. Chord Progression Manager is free to download and use. AI chat features require your own LLM API key.

Aether Learn teaches you how sound and synthesizers actually work, one hands-on lesson at a time. No jargon, no prerequisites. Every concept comes with a real synth engine you play with your finger, so you hear the idea the moment you read it. Start from the very beginning: what sound is, how frequency becomes pitch, and why a wave's shape decides its character. Then build up through the tools real producers use every day. WHAT YOU LEARN - Sound and frequency: vibration, pitch, amplitude, and the difference between loudness you measure and loudness you hear - Waveforms and harmonics: watch a bright wave get built from pure sine waves, one at a time, until it forms a full saw - Subtractive synthesis: shape tone with a low-pass filter, resonance, and the classic filter sweep - Envelopes: attack, hold, decay, sustain, release, and delay, shaping how a note lives over time - Modulation: LFOs, vibrato, tremolo, and the rhythmic filter wobble at the heart of bass music HOW IT WORKS Each lesson has three steps. Learn the idea in plain language, watch a short demo that moves the controls for you, then play with a real, audio-reactive instrument built into the app. You see the waveform, the harmonics, the filter curve, and the envelope respond in real time as you turn the knobs. Built for curiosity. Whether you have never touched a synth or you want to finally understand the gear you already own, Aether Learn gets you from zero to making sounds you understand. Best suited for absolute beginners who want solid foundations to carry into any DAW or software synthesizer when they start producing music.