Yes, but that test only applies to official apps... Do we have usage data on those? Especially taking into account very good apps already existed and most users

Yes, but that test only applies to official apps... Do we have usage data on those? Especially taking into account very good apps already existed and most users probably couldn't be arsed to switch to the official one. Those official apps have lots of downloads, but don't be fooled: I bet most people downloaded them because of the free three months of reddit gold you got when you logged into them.