It was admittedly several years ago, but I worked on a voice chat app for iOS and Android, and the behaviour on Android was horrifying. iOS had very consistent

It was admittedly several years ago, but I worked on a voice chat app for iOS and Android, and the behaviour on Android was horrifying. iOS had very consistent and great audio latency (approx 10ms if I recall). Android devices were all over the place; I think the worst one I tested was over 150ms.