Key Features:
- 8-track drum sequencer
- Simple and user-friendly interface
- Display and edit 4 to 48 steps across 4 cycles on a single screen
- Live performance with up to 6 blocks toggled
- Built-in sound source compliant with General MIDI
- Compatible with playing electronic instruments (such as InsataaChord) via MIDI connection
* Connection options: Bluetooth LE MIDI or USB MIDI
- Extend sound sources by connecting with other apps like bs-16i etc.
- Supports external keyboard input (e.g., page-turning switches)
- Song library for sharing self-created data and downloading from other users

In-app purchases available;
- Save edited data (980 JPY)
Loading data created by other users is free.
In-app purchases apply across all devices.

Official Website:
https://instachord.com/product/midi-drum/

User Manual:
https://kantan-music.notion.site/MIDI-Drum-Manual-5976bdeba4f04900851f0e3c9ae247d6

Song Library:
https://instachord.com/community/drum-data/

Developer:
bismark
https://www.bismark.jp/