There are a few made for people with diabetes that offer macro estimates based on a photo, e.g. https://www.snaq.ai https://www.snaq.ai, https://gluroo.com http

There are a few made for people with diabetes that offer macro estimates based on a photo, e.g. https://www.snaq.ai https://www.snaq.ai, https://gluroo.com https://gluroo.com. I'm sure others exist that are for a more general or fitness-minded audience.