Feeder enables WordPress authors to provide SMS subscriptions to their readers.
No, because that is illegal. A person must subscribe to SMS updates because they might incur charges from their carrier. If you add them without their consent, they could possibly come back on you with litigation for the charges and hassle.
No, sending custom messages is not supported yet.
As soon you publish a post.
Yes, a user can unsubscribe at their will via the sidebar widget.
Yes, feedre works almost in every country!