家族の記録・家系図・自分史年表 - ファミリスト is a lifestyle app by team at net, inc. with 10,000+ downloads (about 33K estimated). +191 installs in the last 7 days. Released May 16, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Record all your family's schedules, memories, and belongings. Automatically create a family tree and timeline from birthdays, and receive reminders for memorial services and anniversaries.”