In 2018, Unseen expanded their communication channels into the Helpline through the introduction of the Unseen App which was developed in partnership with BT.
Yn 2018, roedd Unseen wedi ehangu eu cyfryngau cyfathrebu ar gyfer y Llinell Gymorth drwy gyflwyno ap Unseen a gafodd ei ddatblygu mewn partneriaeth â BT.