Yes it is

That stuff costs a bunch. If your just learning then try using this https://www.gimp.org/ and learn it. It’s very similar and will probably do what you need. Don’t get tied into the adobe culture. Expensive as fuck.

I used photoshop for years and this does all I need

Check out the Picsart mobile app. It has some great features, even on the non-premium version.

It is pretty user-friendly.

I got affinity photo - quite cheap alternative and can do a lot

Once you learn basic it is easy but to be good is very hard