Rhythm game · iOS, iPadOS & Android

composermp3

Bring your music. Compose your game. Play it.

Compose your own rhythm charts from the songs you already own.

Coming soon

  • 100% offline
  • Zero ads
  • No subscription

(01)

How it works

  1. 01

    Import

    Use the songs you already own. No streaming, no accounts.

  2. 02

    Compose

    Tap out the notes to build a chart, then fine-tune it in the editor.

  3. 03

    Play

    Beat your best and share it with a friend.That's the whole game: a note falls, you tap it.

(02)

Features

  • 01

    Local library

    Grid and list, search, sort, filters.

  • 02

    Real-time chart editor

    Tap and Hold notes on four lanes, direct editing, undo.

  • 03

    Four difficulties

    Easy, Medium, Hard, Expert, with combo and a local Top 3 per chart.

  • 04

    Share charts

    Export and import .chartpkg files.

  • 05

    Backup & restore

    Your whole library, in one file.

  • 06

    Works offline

    iOS, iPadOS and Android, tablets included.

(03)

Build it. Beat it.

Real-time chart editor

Tap and Hold notes on four lanes, direct editing, undo.

Four difficulties

Easy, Medium, Hard, Expert, with combo and a local Top 3 per chart.

(04)

Pay what you want

Free

Up to 3 songs, full create and play.

Tap, Hold, difficulties, editor and gameplay are never locked.

Support Composer

One-time. Unlimited library, export, backup, custom covers, future creation tools.

  • €5.99
  • €7.99
  • €9.99

Every option unlocks the same features. Choose the amount you want to support Composer.

Pay once • Keep forever

100% offline. Zero ads. No subscription.

Privacy. No tracking, zero third-party analytics, no cloud uploads. Everything stays right on your device.