If you are reading this page in English,
My english skill is not so well 🙂 but i wish your problem would be solved !
Inviting members to a Family Plan,but if it didnt work,
Please compare my situation to yours.
In my situation,
Me : duolingo family plan (master member)
Mom : send text through duolingo app and DID WORK! yeah!
Husband : already duoling member(for free), sent text through duolingo app and DIDNT WORK...umm
How I could solve the problrem is here,
just send e-mail to duolingo staff via app!
YOUR ACCOUNT （user name and your e-mail address）
THE ACCOUNT(S) TO ADD （user name and the e-mail address(es)）
If you are good at English and try to fix my grammer,please contact to @kambarablog!