
About
Record and layer multiple musical performances one track at a time to create a complete song. Easily manage your projects by saving, loading, and creating new ones through a simple tap interface.
What's New in 4trMTR
1.7
September 5, 2026
・対応するiOSバージョンの範囲を拡大しました。 ・App Storeの製品情報を改善しました。
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FAQ
How do I save my music projects in 4trMTR?
You can save your current project by tapping the cassette icon. This action allows you to store your work and recall it later for further editing or listening.
Can I start a new song from scratch in 4trMTR?
Yes, you can easily start a new musical project. Tapping the cassette icon also provides the option to select a new project, allowing you to begin composing without affecting your saved work.
What devices is 4trMTR compatible with?
4trMTR is designed for use on both iPhone and iPad devices, offering a flexible recording experience across Apple's mobile platforms.
How often is 4trMTR updated?
The latest version of 4trMTR is 1.4, and it was last updated on June 15, 2026. This indicates a recent update, suggesting ongoing development and support.
What is the age rating for 4trMTR?
4trMTR has an age rating of 4+, making it suitable for a wide range of users, including younger individuals interested in music creation.
Does 4trMTR have ads?
No, 4trMTR does not contain advertisements. Users can enjoy an uninterrupted music creation experience without any ad interruptions.
What is the developer of 4trMTR?
4trMTR is developed by YUKIO TOKIWA, an independent developer focused on creating music production tools.


