This is true, but in the case of Messenger, you should consider the following: - It's made by Google (i.e. the guys who made the phone's stock SMS app) - It h

This is true, but in the case of Messenger, you should consider the following: - It's made by Google (i.e. the guys who made the phone's stock SMS app) - It has nearly identical navigation to the stock "Messages" app, simply with a much cleaner interface - It does not hook into anything other than your contacts, unlike Hangouts For all intents and purposes it's the successor to the stock app, made a separate app specifically so that it can receive timely updates without being tied to a system update. Having used both, there's really no compelling reason not to switch to it (sans the grandma-with-a-smartphone edge case who has never opened the Play Store).