The old versions (specifically v3.x) were optimized for a time when 1GB or 2GB of RAM was the standard. They remain a viable option for breathing new life into "zombie" devices—turning a drawer-dwelling old phone into a dedicated field recorder or a simple 8-track studio for a child’s first experiments with music production.
(via in-app purchase) brought desktop-level pitch and time editing to the mobile platform. 3. Comparison: Old vs. Current Versions audio evolution mobile studio old version
This report examines the evolution of Audio Evolution Mobile Studio The old versions (specifically v3
As the app moved toward its current version (v5.x and beyond), several "generate" or breakthrough features were added: Audio Evolution Mobile Studio - Tutorial 1: Introduction audio evolution mobile studio old version