didn't know I needed a specific OS to get Wuprop Wu's

You need Intel CPU or emulation of it on Apple M CPU, OS just needs to be 10.5 or newer, you have that.

I can't find a Mac Laptop with at least a 10.5 OS, most of the older ones have older OS than that or just don't specify what exact OS they have ...

BRP4A is for ARM Macs only, i.e. those with Apple's M CPUs, not for older Intel Macs, they run BRP4 as you can see on Einstein's applications page. AFAIK there should be a way to run applications, which were compiled for Intel Macs on the M-Macs, but that you will have to google yourself. There are Apple M1 and M2 running WUProp, no idea if Apple removed x64 emulation completely on the new M3 Macs or what needs to be done to enable it.

Yes, it's time for WUProp to release native application for Mac OS on ARM.

goofyxGrid NCI IS BACK
(test app Windows ONLY for now I guess)
You will need to register for a new account at the NEW WEBSITE/URL: https://nci.boinc.goofyx.pl/

Binary Radio Pulsar Search (Arecibo,GBT,A) (BRP4A)
That is the only app on Mac/ARM and not available on anything else.

Your BOINC apps with less than 10k WUProp hours
https://stats6.free-dc.org/newapps/736/10000

Looks like a Linux GPU app at GPUGrid and a RPi App at SiDOck are also missing.

Well, it can still do real scientific work for other projects, even if not many projects have applications for Mac OS on ARM. If you bought it just for crunching, a Windows or Linux PC for 25% of that price might indeed have been a better choice.

Does anyone have the link to this BOINC test project?