Only the current version so far — new entries appear as the app ships updates.
メモ日記（カレンダーに写真を添付できるシンプルな日記帳） is a tools app by Kumao.Works with 50,000+ downloads (about 67K estimated). +259 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “It is a simple diary application with a password. You can also attach images, enter pictograms, and enter voice. Choose a date from the calendar and write a note or diary.”
