First release: countdowns and anniversaries with yearly repeats and gentle reminders, all on-device.
Only the current version so far — new entries appear as the app ships updates.
Countdown Days – Day Counter is a tools app by 李雪含 with 1+ downloads (about 2 estimated). +2 installs in the last 7 days. Released Oct 29, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Never miss a birthday, anniversary or big day. Unlimited events, free.”