# Descartes Sequencer

> Descartes Sequencer (iPhone/iPad app by Jonathan Raymond.)

- Source: https://appshunter.io/ios/app/descartes-sequencer/id6739505972 (this page in markdown: same URL + `.md`)
- Developer: [Jonathan Raymond](https://appshunter.io/developer/1785715855)
- Category: Music
- Price: $12.99
- Age rating: 4+
- Requires: iOS 18.1 · 5 MB
- Languages: English
- Released: 2025-01-09
- Data updated: 2026-07-23
- User reviews in markdown: https://appshunter.io/ios/app/descartes-sequencer/id6739505972/reviews.md

## What is Descartes Sequencer?

Descartes is a powerful and intuitive triple-channel step sequencer that brings modular synthesis concepts to your iOS device. Perfect for both beginners and experienced musicians, it offers a unique approach to pattern creation and musical exploration.

Key Features:
• Dual independent sequencer channels (X & Y) with combination channel (C)
• 4x4 grid interface with intuitive touch controls
• Multiple pattern modes: horizontal, vertical, zigzag, spiral, and random
• Advanced trigger sequencing with Euclidean rhythms
• Flexible clock divisions (1x, 1/2x, 1/3x, 1/4x, 1/5x)
• Built-in basic synthesizer with four waveforms
• ADSR envelope and filter controls
• Scale quantization with multiple scale types
• Adjustable octave ranges
• Glide/portamento control per step
• Independent channel mixing

Whether you're creating evolving patterns, experimental sequences, or traditional melodic lines, Descartes provides the tools you need in a simple and easy to use interface. The combination of X, Y and C channels creates unexpected musical interactions, while the intuitive grid layout makes pattern creation a breeze.

Descartes is made for anyone interested in pattern-based music creation.


## Version history (last 1 release)

### 1.0 — 2025-01-09

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-23.*