Someone needs to make an AI that doesn't enlarge the boobs. Ruins the effect.
The reason it does that is a lot of these apps have no understanding of the original person you're nudifying. So their point of reference for nudity tends to come from a lot of porn, which obviously biases in that direction.
That's why I train models on specific celebrities, so it has the context of what their bodies normally look like in clothes, bikinis, or possibly even nude if you have that reference. Then when I make my deepnudes, my prompts include the celebrity's name but the model itself is trained specifically on that celebrity overall anyway.
It still doesn't always get it right, but it tends to be a lot closer a lot more of the time.