Take a look at ArchiChect to check applications for Apple Silicon on Chip, 64-bit Intel (and Intel-32, PowerPC code 32 or 64).

For a visual comparison of Catalina and Big Sur (the OSes, not the places grin), this is well done.


On a Mac since 1984.
Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.