Audulus 4: Free Modular Synth for iPhone, iPad, and Mac

Name: Audulus 4
Brand: Audulus LLC
Availability: InStock
Author: Noizefield

Posted on 15. December 202515. December 2025 by Noizefield

Audulus 4 has officially launched as a free app, providing users with a comprehensive modular synthesis environment. With its professional-grade, low-latency performance, Audulus 4 is designed for both newcomers and experienced sound designers looking to explore audio in real time.

Features of Audulus 4

Complete modular environment available at no cost
Pro Module series with premium instruments and effects available as in-app purchases
Compatibility with iPhone, iPad, and Mac, featuring iCloud sync
Standalone app or AUv3 plugin
Deep node library for custom builds
Extensive module library for synthesis and sound design
Multi-channel signal flow for complex routing
Next-gen multi-core audio processing for high performance
MIDI I/O with MIDI learn functionality
GLSL shader node for advanced visuals
Lua scripting for custom DSP and vector graphics

Audulus 4 is now available on all major Apple platforms, making it easy to create and manipulate sound wherever you go. The fluid interface allows users to focus on creativity without distraction, and the modular setup encourages experimentation.

Moreover, the Pro Module series offers advanced features for users who want to take their sound design to the next level. These premium instruments showcase the potential of modular synthesis.

While the app has received positive feedback for its stunning interface and ease of use, some users have expressed concerns regarding documentation and the need for better support for user-generated patches. Despite these limitations, the active community around Audulus continues to provide valuable resources and support.

Price
Free to download (In-app purchases available)