Pro-Mags for CZ compact guns seem to be fine -- I've used them off and on for years with good results. (Back during the mag ban, the Pro-Mag magazine for the CZ-75 Compact in .40 [a gun that CZ announced but never really offered] was the go-to mag, as it worked like a "legal" hi-cap for the 9mm compact CZs. Many of the folks on the CZ Forum, when I was a regular there, used them with good success.) They are dimensionally different: I had a Sphinx compact at the time, and CZ factory compact mags would work in the Sphinx, but the Pro-Mags wouldn't fit...
Pro-Mags for full-size CZ have always had so-so performance, at best --mostly because the springs aren't that great. Replace the springs (with Wolff springs) and they're alright. But unless you get a GREAT deal, Mec-Gar mags are just a few bucks more, and you don't have to replace mags or spend the extra money. If you find some used ones for a good price and replace the springs, you'll likely be OK. What some folks don't realize is that if you have a bad Pro-Mag, Pro-Mag (at least with ones bought new from them, directly or indirectly) will replace or repair under warranty... Some folks don't think it's worth the trouble.
Note: I picked up some CZ Factory 10-round mags at one time -- with CZ markings on the mags and accompanying packages (for IDPA games) and found, from the materials included, (reverse side of the package inserts) that they had been made for CZ by Pro-Mag. Those mags were very good. Pro-Mag CAN make good mags, but don;t always do so. CZ factory mags are made by Mec-Gar, and generally the Mec-Gar versions (slightly different, but just as functional) are much less expensive.
I've had some Pro-Mags for other guns that were OK (Beretta, S&W 2nd Gen), but never go out of my way to get them when Mec-Gars are available. Generally, I'll just wait for Mec-Gar.