# Patchsynth

> Modular synth patching, taught

Canonical page: [https://chrome-stats.com/d/id6787843118](https://chrome-stats.com/d/id6787843118)

## Overview

- **ID:** `id6787843118`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Martin Adler
- **Category:** Music
- **Version:** 1.0
- **Last updated:** 2026-07-09
- **First published:** 2026-07-09
- **Size:** 2.48 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/patchsynth/id6787843118)
- **Privacy policy:** [https://martoadler-bit.github.io/patchsynth-privacy/index.html](https://martoadler-bit.github.io/patchsynth-privacy/index.html)

## Description

Patch your first sound in minutes. 21 real modules, guided lessons, ear-training challenges, and MIDI keyboard support — all in your pocket.

Patchsynth is a Eurorack-style modular synthesizer for iPhone and iPad — and a place to actually learn how modular synthesis works, one patch cable at a time.

Instead of a fixed synth engine with knobs, you build your own instrument by dragging cables between modules: oscillators into filters, envelopes into amplifiers, LFOs wobbling anything you point them at. If you've ever wanted to understand what a Eurorack rig actually does, this is the fastest way in.

LEARN BY PATCHING, NOT BY READING
28 hands-on Lessons cover every module, from your first oscillator to full generative patches — some just explain, others build a real patch step-by-step in front of you as you tap "Next." No prior synthesis knowledge required.

TRAIN YOUR EAR
15 Challenges hide a patch and play it for you — your job is to rebuild it by ear, with hints if you get stuck. A genuinely fun way to internalize how filters, envelopes, and modulation actually sound.

21 REAL MODULES
Oscillator · Filter · VCA · ADSR Envelope · LFO · Noise · Delay · Reverb · Mixer · Sequencer · Arpeggiator · Clock · Attenuverter · Quantizer · Slew Limiter · Sample & Hold · Logic · Ring Modulator · Sampler · Keyboard · Output (with a live oscilloscope)

Record your own sounds with the Sampler, or use the built-in factory drum kit. Quantize any CV to a musical scale. Chain multiple clocks for polyrhythms. It's a real modular rig, just without the cables costing $30 each.

70+ FACTORY PATCHES
From simple bass and pad sounds to sprawling, 20+ module "flagship" patches — browse them, load them, take them apart to see how they're wired, then make them your own.

PLAY IT WITH REAL GEAR
Full MIDI support over Bluetooth or USB — plug in any MIDI keyboard or controller and play your patch's Keyboard module directly, no setup beyond pairing.

BUILT FOR TOUCH, NOT PORTED FROM DESKTOP
Every interaction — dragging cables, turning knobs, panning and zooming a big patch — is designed for a phone screen from the ground up. A dedicated Patch Bay view even gives you a spreadsheet-style matrix of every connection when patches get complex.

Undo and redo everything. Save as many patches as you like. No ads, no in-app purchases, no internet connection required — just synthesis.

## Rankings

- #1,291,140 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6787843118)