오르비 - 대한민국 1등 수능 커뮤니티 is an education app by Move Incorporated with 100,000+ downloads (about 187K estimated). +148 installs in the last 7 days. Rated 5.0 from 903 ratings. Released Mar 14, 2013. Install growth, rank history, SDKs and ad networks.
From the store listing: “Real entrance exam stories created by test-takers”