From my experience, the newer AI-based apps are definitely more advanced than the older ones you tried. Instead of just putting a filter over the photo, they actually rebuild parts of the image using trained models, which is why the bikini or NSFW options can look more natural. Some services even let you tweak body types so the output matches better with the original proportions. I remember testing a few modes and being surprised at how customizable it all was. If you’re curious to see more details on this, here’s a good source I came across: https://undress-ai.io/ It’s worth checking out if you want to compare how the different customization settings are handled.