2025-04-17 00:00:00 With a length over 1,000 kilometers, close to 800 stations and around 2 billion ridership Seoul Metro is very popular transit system in the city. System plays an integral role in the commute of the city and very popular among local residents as well as travelers to the city and the tourists. Seoul Metro app is an offline app that can help travelers find metro route without internet and can help both locals and tourists. Try Seoul Metro app for free and find the train that suites you best.