On Android there is https://www.motioncamapp.com/ which has been doing raw video for years.
In typical Android fashion, this app is essentially the mathematical inverse of the iPhone version. The UI on the iOS Kino app is beautiful, crafted, and elegant. The UI on MotionCam (even after the update) is functional, brutalist, and purely an engineering driven, unstyled Android 4.4 UI elements style. But MotionCam Pro gives full control, and even a RAW mode which wouldn't be possible on iPhone. You can even do P…
Hopefully Flutter will fix that because the difference in usability is night and day. It's just a shame the Dart ecosystem is so dead.