# SUS4 Loop Builder

> A loop at a time. A song.

Canonical page: [https://chrome-stats.com/d/id6777230284](https://chrome-stats.com/d/id6777230284)

## Overview

- **ID:** `id6777230284`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** ThePaulSmith
- **Category:** Music
- **Version:** 1.1.1
- **Last updated:** 2026-08-28
- **First published:** 2026-06-17
- **Size:** 19 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sus4-loop-builder/id6777230284)
- **Website:** [https://4chords.studio](https://4chords.studio/)
- **Privacy policy:** [https://4chords.studio/privacy](https://4chords.studio/privacy)

## Description

Build a song one loop at a time.

SUS4 Loop Builder is a multi-track looper for building song ideas from scratch. Record a bass line into the first layer, layer a chord progression over it, add a melody on top, and keep going until the idea has a shape. Each layer has its own level and effect controls so the mix develops as you build.

When you have something, export the full mix or individual stems to your DAW for proper production. The loop library saves your builds so you can come back to them, reference them, or share a stem with a collaborator.

• Multi-track looping — record and layer on top of previous loops
• Per-layer level and effects controls
• Loop library for saving and revisiting ideas
• Stem export — export individual layers or the full mix
• Multi-track export to your DAW
• Subscribe monthly, or unlock the full SUS4 suite forever: unlimited loops, multi-track export, per-layer effects, and the full loop library

All recording stays on your device. No audio is uploaded.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Rankings

- #1,463,375 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6777230284)