🏆Among Productivity apps bottom 0% by installs gained this week (901 peers growing)
🛠Updatesquiet · updated 35 days ago
Installs since launch
+1 installs
since Oct 12
Update history
1.0.0Oct 9, 2026 · seen Oct 21, 2026
business-day and deadline calculator with holidays built in:<br>• Add/subtract business days (day-one toggle) and count working days between dates (inclusive/exclusive endpoints)<br>• Payment-terms calculator: presets plus custom closing/payment days, holiday paydays shift automatically (Pro)<br>• Holiday calendars for Japan, China (shifted workdays) and the US (observed dates) — auto by language,
Only the current version so far — new entries appear as the app ships updates.
Business Day Calculator Japan is a productivity app by HeartLand Lab with 10+ downloads (about 16 estimated). +1 installs in the last 7 days. Released Oct 8, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Business & working day calculator with Japan holidays 2026-2027. Works offline.”
