I have :). First I did UI work with Qt at Pixar on the animation tools. Then I wrote a couple apps (http://audulus.com mostly custom, https://sculptura.app mostly SwiftUI, ongoing of course). Now I'm working on a Rust UI library: https://github.com/audulus/rui. Source: about 2 years ago

Ok I'm not Raph but, FWIW, my 3d sculpting app is written using SwiftUI (https://sculptura.app), which is not a view around a database (in fact it was previously UIKit... SwiftUI is so much better). I recently implemented a piano-roll editor in SwiftUI: https://github.com/AudioKit/AudioKitUI/tree/main/Sources/AudioKitUI/Controls/PianoRoll. I have little doubt a DAW could be implemented in SwiftUI easier than with... - Source: Hacker News / about 2 years ago

There's a lot of face swap apps out there now that could work. Otherwise, I found this site https://faceswaponline.com/ I'm not sure if it's reputable. Source: over 1 year ago

If he's into Spiderman then maybe he'd enjoy getting comic books? I'm sure there are some special editions etc. Maybe figurines or merch stuff? Could also be a reference to the latest Spiderman movie, you can use a poster or a still image from the movie and replace Spidermans' faces with your bf's (there are face swappers and online programs that do that) and then print it out. Source: over 2 years ago