Does Rambox run on Apple Silicon?
Yes. Rambox 3 for macOS is a universal app that runs natively on Apple Silicon (M-series) and Intel Macs.
Yes. Rambox 3 runs natively on Macs with Apple Silicon (M1, M2, M3 and later chips) as well as on Intel Macs.
The macOS download is a universal app: a single file that contains both versions. When you open it, macOS automatically runs the one that matches your Mac, so there's nothing to choose and no need for Rosetta.
Which file should I download?
There's only one macOS download. Get it from rambox.app and follow How to install Rambox on macOS.
Which macOS versions are supported?
Rambox 3 needs a recent version of macOS. If your Mac can't run it, you'll see the details in Why can't my version get updates?.