ISSEN
On-demand AI voice tutor that personalizes language lessons in real time
ISSEN is an AI-powered voice tutor that adapts conversations, grammar drills, shadowing and translation exercises to each learner’s skill level, interests, and goals. Choose from dozens of languages, set tutor speed and patience, and enjoy fully customized curricula. Available on web, iOS and Android, with a free 10‑minute trial and subscription plans starting at $20/month.