Only the current version so far — new entries appear as the app ships updates.
Vanish List〜簡単共有・消えるTODOリスト〜 is a productivity app by Haruya Nakamura with 10+ downloads (about 33 estimated). Released Oct 10, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “If you share it, it will disappear in a month. New sensation TODO list”