클래스101 CLASS101 is the #1 online class platform in South Korea, offering over 500 hobby classes that come with delivery of necessary materials. With its extensive range of classes, it caters to those looking for a new hobby or to explore new interests. The platform also offers 'CLASS101 Career,' where professionals can learn from experts and enhance their skills in various fields such as starting a business or improving their career. The 'CLASS101 Signature' program offers classes from the best producers in Korea such as 'GroovyRoom,' 'GRAY,' and 'BOYCOLD,' and even from experts, including webtoon author Kim Kyu-sam, YouTuber DaeDosugwan, CEO Hong Suk-cheon, and nail artist Senshong. The platform also has a store for hobbyists to purchase DIY kits and other materials. The app only requests necessary permissions such as camera and microphone for comments or photos, making it safe to use.