This gave us 1st-hand expertise of every app, enabling us to rank them in order of their general good quality. https://vov.gg/%EB%AF%B8%EA%B5%AD-%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EC%95%88%EC%A0%84%ED%95%98%EA%B3%A0-%EC%8B%A0%EB%A2%B0%ED%95%A0-%EC%88%98-%EC%9E%88%EB%8A%94-%EC%84%A0%ED%83%9D%EC%9D%84-%EC%9C%84/