In Apple's Messages app starting with iOS 7, a green bubble surrounding the text means the incoming message came from a non-Apple phone that uses the standard SMS/MMS text messaging system (see SMS).

Apple finally brought RCS messaging to iPhones with the release of iOS 18 in September of 2024. However, it wasn't perfect as end-to-end encryption wasn't available between iPhones and Android devices ...

One thing that is definitely not "cool," it seems, is having a green text bubble. On Apple's iPhones, instead of conversations appearing in the typical gray and blue, text messages from non-Apple ...

iOS has long stigmatized Android users by choosing not to support standard features in text messaging ... features finally ...