I have a Mac from 2010 that can still record and stream Minecraft somehow. I want to get into speed running and I do not know what timer to use for Mac. If I could get help on this it would be great. Thanks!

I have a Mac from 2010 that somehow still can record on Minecraft and I really want a shot at speed running. I was just going to use the Badlion client timer but then I found out that Badlion is not allowed. I really need a timer that works with my Mac. If someone can help that would be amazing.