Closes #52

Signal/src/util/SmsInvite.m

@@ -11,8 +11,7 @@
 }
 
 - (void)sendSMSInviteToNumber:(PhoneNumber *)number{
-    if ([MFMessageComposeViewController canSendText]) {
+    if ([MFMessageComposeViewController canSendText] && [[UIDevice currentDevice].model isEqualToString:@"iPhone"]){
-        
         MFMessageComposeViewController *messageController = [MFMessageComposeViewController new];
         
         NSString *inviteMessage = INVITE_USERS_MESSAGE;