Let’s address the elephant in the room. When you type "rvox plugin free download best" into Google, the first page is dominated by results that promise a cracked, keygen, or "pre-activated" version. Do not click these links.
Here is what those "free" downloads actually contain: rvox plugin free download best
Bottom line: The best free download of RVox that actually works safely does not exist. But do not despair. There are two excellent paths forward: getting it legally for cheap, or using superior free alternatives. Let’s address the elephant in the room
Before hunting for a download, you need to understand what makes this plugin tick. Unlike standard compressors (like an LA-2A or 1176) that require you to set attack, release, ratio, and knee, RVox has just three faders: Bottom line: The best free download of RVox
You can replicate RVox's "auto-gain" by sidechaining your stock compressor to follow the vocal's RMS level. This is advanced, but effective.
While this is a dynamic EQ, the "Compressor" mode inside TDR Nova can emulate RVox's behavior. Set a wide band over the whole spectrum, ratio 2:1, and enable "Program dependent" release.
But there are excellent free alternatives with similar "set-and-forget" leveling + character: