Only the current version so far — new entries appear as the app ships updates.
体育館空きチェッカー is a sports app by yukitaka13 with 500+ downloads (about 629 estimated). +8 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “No need to repeatedly check the reservation website. We will notify you if a cancellation becomes available at the city gymnasium.”
