Package Name:com.grooveforge.grooveforge
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About GrooveForge
Expressive MIDI controller & synthesizer with real-time Jam mode and SF2 support
GrooveForge is a small music app for MIDI keyboards and soundfonts. 🎹
Not a DAW, and not trying to compete with Ableton, FL Studio, or the great open-source tools. It started as a personal practice companion — a portable way to relearn scales after years away from a piano — and grew from there.
What's inside
🛠️ Plugin rack — stack synths, effects, and MIDI processors; save the whole setup.
➰ MIDI looper — multi-track overdub with bar-accurate quantization, reverse, and speed controls.
🎶 Jam Mode — lock the keyboard to a scale; out-of-scale notes snap to the nearest correct pitch. A practice aid, not a teacher.
🎙️ Vocoder — 32-band with PSOLA pitch locking and a noise gate.
🛸 Extras — Stylophone and a Theremin with optional camera-based hand tracking.
🎭 Swipe glissandos, vertical/horizontal pitch bend & vibrato. USB / Bluetooth MIDI supported.
Permissions 🛡️
Mic — vocoder only; audio is never stored or sent.
Camera — theremin CAM mode only; no images saved.
Open source (MIT), built solo with a lot of help from AI pair-programming (mainly Anthropic's Claude Code). No ads, no tracking, no accounts. Expect rough edges.
What's new in the latest 2.17.0
Last updated on 2026-09-07
Xen: hold a note, tap a scale — the keyboard locks to it and retunes as the tradition intends.
43 scales in seven families: maqamat, ragas, gamelan, bagpipe, historical temperaments.
Microtonal chords at last: the retuning is polyphonic.
Build your own scales; import and export Scala .scl.
Bind one hardware pad to one scale for instant recall.
Output latency down from 43 ms to 4 ms.
No more missing attack after a pause on USB-C audio dongles.
43 scales in seven families: maqamat, ragas, gamelan, bagpipe, historical temperaments.
Microtonal chords at last: the retuning is polyphonic.
Build your own scales; import and export Scala .scl.
Bind one hardware pad to one scale for instant recall.
Output latency down from 43 ms to 4 ms.
No more missing attack after a pause on USB-C audio dongles.
Videos and Screenshots
GrooveForge APK Information
Latest Version
2.17.0
Category
Music & AudioAndroid OS
Android 8.0+
File Size
38.1 MB
Developer
GrooveForgeContent Rating
Everyone
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