Pydroid 3 vs reFX Nexus

Pydroid 3 is an open source integrated development environment and app for writing and running Python code on Android devices. It features an editor, debugger, terminal, file browser, interpreter, and Python 3 support.

reFX Nexus is a virtual instrument plugin for digital audio workstations that generates a wide variety of sounds. It comes with a large library of high-quality sounds including pianos, drums, guitars, synths and more that producers can use in their music productions.