It's the same on iOS too. Many major apps make their own camera UI, because it allows them to make a bespoke experience that actually feels like something that

It's the same on iOS too. Many major apps make their own camera UI, because it allows them to make a bespoke experience that actually feels like something that's part of their own app. There's always the option to use the standard camera app, but that will feel jarring to most people, as it's just not how the most popular social media apps work.