PortraitAI - AI Portrait is an iPhone app that promises to transform your photos into spectacular 18th-century portraits using AI technology. The app is developed by Roman Bilyi and is free for download on the App Store.

PortraitAI - AI Portrait offers an array of filters that you can use to create different portrait styles, including Classic Portraits, Joker, Chubby, Goblin, Anime, Cartoon, Cubism, Digital, Futuristic, Vampire, Gorilla, Barbie, Elf, Zombie, Cartoon+, Alex Katz, Mona Lisa, Pablo Picasso, Werewolf, and Henri Matisse. The app also provides proprietary video Style Transfer with the highest FPS and quality available on the market (real-time on device).

It is worth noting that the app is not perfect and has limited training on portraits of people of color. The developers have apologized for this and promised to fix this soon. Additionally, users can subscribe to PortraitAI PRO to access more style filters and updates. The subscription is auto-renewable and billed monthly or annually at the rate selected.

Overall, PortraitAI - AI Portrait is an excellent app that offers a revolutionary way to create your own portrait using AI technology.