@email@example.com @celia yeah and there was an addon that makes GIMP's UI to look like Photoshop. I always recommended it to newcomers. But I can't remember the name now.
I'd avoid both Photoshop and Affinity since both of them are proprietary software. Instead, you can use multiple free (as in freedom) solutions and donate something to those free software projects. That way you help to make them even better.
Anyway, let me say that I know a few people that uses GIMP and Krita professionally
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.