"오늘도 지리다" is an educational app designed for iPhone users, developed by Chan Woong Yoon. This app offers two main features for learning geography: 한국지리 위치학습 (Korean Geography Learning) and 세계지리 위치학습 (World Geography Learning).

In the 한국지리 위치학습 section, users can study the basic locations and characteristics of Korean geography chosen by the renowned teacher, 이기상. By selecting specific regions on the map, users can explore the key features of each area. Additionally, users can test their knowledge through a random quiz on Korean geography and check their scores.

For 세계지리 위치학습, users can learn about the locations and characteristics of different countries worldwide, also selected by 이기상. By choosing specific country regions on the world map, users can discover the main features of those areas. Similar to the Korean geography section, users can test their knowledge with a random quiz on world geography and review their scores.