To be fair the Rosetta 2 version is working perfectly fine now. It's not like the app is incompatible with the M1 Macs. I'm sure a Universal version is in the works. I wonder if Spotify could reuse some of the iOS / iPad OS code in the desktop app.
In this part, you can find the top 3 best online music visualizers for Spotify. You can use them to enjoy visual Spotify music without having to install any extra app on your computer.
Made by lost_james, Jamecasteels Spotify 3D Music Visualizer is a smart Spotify web visualizer. It's easy to use this Spotify visualizer online. Please sign in to your Spotify account and then all music and playlists will be synced to it. If you don't have a Spotify account, you can create a new one and get Spotify Premium free. After that, you can see Spotify music with 3D effects.
When you search 'Spotify visualizer' on Google, this Echo Nest Spotify 3D Visualizer will put in the first place. But, here, I introduce it secondly. Yes, it's also easy to operate. You need to sign in to your Spotify account and then play Spotify music, you can see the real moving blocks. But it's important to note that it sometimes can't sync Spotify songs.
Released on Reddit, it's another professional online music visualizer for Spotify. Navigate to the official web page to open the Spotify online visualizer. Kaleidosync Spotify Music Visualizer will require you to fill in your account details. After that, please play Spotify songs that you like to visualize. It will begin with flower-shaped animated pictures.