Only the current version so far — new entries appear as the app ships updates.
うちの子手帳 is a tools app by 株式会社TAS with 5,000+ downloads (about 6.6K estimated). +7 installs in the last 7 days. Released Jan 29, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Compatible with over 450 types of “my child”! ! Easily record your life with your loved ones and health management”