You might enjoy this breakdown of the lengths one person went through to take advantage of the iOS vision API and creating a local web service for transcribing some very challenging memes:
I remember someone building a meme search engine for millions of images using a cluster of used iPhone SE's because of Apple's very good and fast OCR capabilities.
Quite an interesting read as well:
https://news.ycombinator.com/item?id=34315782
Last year there was also a very funny project of meme search engine leveraging an iPhone farm:
https://findthatmeme.com/blog/2023/01/08/image-stacks-and-ip...
https://news.ycombinator.com/item?id=34315782