If the dust is in the same spot on all of the pictures you can create a heal mask in Lightroom, and apply it to all images.

My MacBook looks completely different from my iPad.

I’ve learned to edit my prints on my MacBook as the more matte screen represents the final colours better. For online work I prefer using the iPad.

I have a matte print from Saal digital, which I’m pretty happy with

https://preview.redd.it/ev2d615ki43c1.png?width=3115&format=png&auto=webp&s=94c4a5ec13503f7f5a6f2ada4d9d32c8fd25c41c