- Unlimited SMS plans are less common than unlimited data plans in Europe.
- You can not do group chat via SMS. You send a SMS to multiple people, but they will only see your number and can't reply to the group (unless I am missing something). I feels more like chat room for your friend group or family.
- In Europe mobile phone providers have historically tried to rip off people with MMS, which may be a reason why they are unpopular.
Both the iPhone and recent Android phones support group SMS. The package is actually sent as an MMS containing the message and list of recipients, that allows you to "reply to all" via SMS.
- You can not do group chat via SMS. You send a SMS to multiple people, but they will only see your number and can't reply to the group (unless I am missing something). I feels more like chat room for your friend group or family.
- In Europe mobile phone providers have historically tried to rip off people with MMS, which may be a reason why they are unpopular.