# Audulus 4

> A Universe of Sound

Canonical page: [https://chrome-stats.com/d/id1592022030](https://chrome-stats.com/d/id1592022030)

## Overview

- **ID:** `id1592022030`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Audulus LLC
- **Category:** Music
- **Rating:** 4.30 / 5 (74 ratings)
- **Version:** 4.7
- **Last updated:** 2025-12-11
- **First published:** 2022-12-12
- **Size:** 103 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/audulus-4/id1592022030)
- **Website:** [https://audulus.com](https://audulus.com/)
- **Privacy policy:** [https://termsfeed.com/privacy-policy/6712bdb02f06a87b38432d0da364d711](https://termsfeed.com/privacy-policy/6712bdb02f06a87b38432d0da364d711)

## Description

Audulus 4 is a free modular synthesizer environment for iPhone, iPad, and Mac. Build and explore sounds with a complete modular system that runs in real time with low latency, ideal for live performance and studio design.

From a standalone app or AUv3 plugin to Pro Module expansions, Audulus offers a deep node library, iCloud sync, MIDI I/O, GLSL shader nodes, and Lua scripting to tailor DSP and visuals.

## Rankings

- #155,609 — Overall

## Review summary

Audulus 4 is praised for its powerful, flexible modular system, expansive modules, and features like MIDI I/O, Lua DSP, and shader nodes, plus strong cross‑platform support and a helpful community. Common concerns focus on monetization (paywalls/subscriptions), mobile UI glitches, limited onboarding/docs, startup stability issues, and intrusive upgrade prompts. Overall, seasoned sound designers view it as a top-tier tool, but new users may struggle with price, learning curve, and mobile usability.

### Pros

- Deep, highly capable modular environment with a large library and active community patches
- Powerful Audulus 4 feature set adds MIDI I/O, Lua DSP node, shader node, and a canvas for flexible sound design, plus multi-core processing
- Strong cross‑platform workflow across macOS and iPadOS with seamless integration
- Active user community and developer support including tutorials, Discord, and patch sharing
- Overall design and depth make it a top-tier tool for experienced sound designers

### Cons

- Paywalls and in-app purchases for modules/features (and subscription concerns) leading to ongoing costs after initial purchase
- Mobile UI/UX issues, including buggy menus, navigation frictions, and pro/scroll gating that hinder usability
- Lack of in-app help or thorough documentation, with few tooltips or onboarding guidance for new users
- Startup stability issues and occasional bugs (e.g., black screens or file-browser-only launches)
- Persistent upgrade banners and gating decisions that feel intrusive or annoying to users

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1592022030)