Cadence from Made by Windmill received its latest update on February 10, 2026, continuing its development as a unique puzzle-based music creation platform. The app originally launched in January 2015 and remains one of the more unconventional but genuinely creative tools in the iOS music app space.
Cadence is a free generative music app for iPhone, iPad, and Mac that combines logic puzzle-solving with music composition. Players build circuits using programmable tiles — the logical connections between them generate melodies, rhythms, and sonic patterns. The system is Turing-complete, meaning sufficiently complex patches can generate any computable musical output. No musical knowledge or rhythm is required to start creating.
The app features a built-in level editor with programmable synths and drum machines, sandbox mode for free-form composition, and graph-based sequencing. It operates as a standalone app without AUv3 support, but can export its musical output for use in GarageBand or Logic Pro workflows. A one-time Full Game Upgrade ($4.99) unlocks the complete puzzle and composition set.
- Solve logic circuits to create music — no music knowledge required
- Level editor with programmable synths and drum machines
- Graph-based sequencing with emergent musical patterns
- Sandbox mode with Turing-complete logic system
- Suitable for both beginners and experienced composers
- Available on iPhone, iPad, and Mac
App price: Free
In app purchases: Full Game Upgrade – $4.99
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