Hangeul 101 FAQThis entry was posted in Hangeul 101 Support on 12/26/2014 (updated 967 days ago) 1. How to purchase Hangeul 101 upgrade? The attached picture shows you how to make a purchase. 2. In-App Purchase / Upgrade offered in Hangeul 101, does it expire? Our In-App Purchase does not expire; Any existed features you purchased will not be removed from the future release.