signal - MIDI Editor 4+

Start Composition, Instantly‪.‬

Ryohei Kameyama

    • $19.99



signal: The Lightweight Desktop Composer

Discover signal, the perfect offline desktop solution for those looking for an alternative to heavy-duty DAW software. Designed as a MIDI-first application, signal focuses exclusively on MIDI files, allowing you to edit, manipulate, and explore music composition without the complexity of audio tracks.

Key Features:
- Dedicated MIDI Focus: Import, edit, and manipulate MIDI files with precision.
- SoundFont Compatibility: Load your favorite .sf2 files to enhance your sounds and bring your MIDI compositions to life with high-quality audio.
- MIDI Device Connectivity: Connect your MIDI keyboard to record directly into signal or use it to output sound, offering a flexible setup with your MIDI devices.
- Offline Functionality: Work on your music anywhere, anytime without needing an internet connection.
- WAV Export: Easily export your compositions in WAV format to share your music or integrate it into other projects.

Why Choose signal?
- No Heavy DAW Needed: Start composing right away without the overhead of complex software.
- 128 Instruments Included: Jump right into music creation with a diverse array of instruments.
- User-Friendly Interface: Learn quickly and navigate easily with signal’s straightforward interface, letting you focus entirely on your music.

Whether you’re a professional musician or a hobbyist, signal provides a powerful yet simple tool for MIDI-based music creation. Download today and start a fresh approach to composition with signal!

What’s New

Version 0.1.0

- When a bank is specified with Bank Select, if the sound is not present in the sound font, it will now play the sound from bank 0.
- Improved the ease of editing velocity. You can now drag the background of the velocity pane to change the velocity of all notes within the dragged range at once.
- Fixed a bug where the selection state was not cleared when a note was deleted.
- Added a feature to display scales in the piano roll. This can be accessed by right-clicking on the keyboard and selecting the key and scale type from "Show Scale".

App Privacy

The developer, Ryohei Kameyama, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.