Affinity PhotoĪffinity Photo is the app that's going to give you the most bang for your buck. It's a robust tool that will allow you to do any retouching you want to your photo. Cataloging the pictures you edit and even copy and pasting edits between images.
The nice thing about Lightroom is that you can also use it as a photo manager. It's an industry standard for all photographers, from budding amateurs to professionals.
If you're looking for the best photography app for Mac, look no further than Adobe Lightroom.