Raycast
Spotlight replacement for macOS with a huge extension library making this essentially a software Swiss Army Knife that can integrate with your other apps. There's also a paid option to add quick-access to chatGPT.
Personally I don't really use this anymore* but this is the best pomodoro timer I've found if you want to try this technique
*I prefer Pandan's more passive approach cause it gently nudges you that you've been on the computer every 20 mins)