Only the current version so far — new entries appear as the app ships updates.
[쿠폰] + PLANNER (플러스 플래너) is a productivity app by gysoft with 10,000+ downloads (about 18K estimated). Released Jul 14, 2011. Install growth, rank history, SDKs and ad networks.
From the store listing: “(Plus planner) was + PLANNER system is based on a Franklin Planner - Offers Version of the app.
You can only use the coupon authentication.”