ZeiCal

ZeiCal is a tax calendar app for Japanese corporations and sole proprietors. Enter your fiscal year-end month and get automatic schedules for corporate tax, consumption tax, withholding tax, resident tax, and more.

【Free features】
• View tax schedules (2 fiscal years, 1 company profile)
• Intuitive calendar view
• Task completion tracking and partial checklists
• Weekend/holiday adjustment to next business day
• Works offline — no backend required

【ZeiCal Pro (In-App Purchase)】
• Deadline reminder notifications (30/14/7/3/1 days before)
• Full checklists, PDF/CSV export
• Device calendar sync and home screen widget
• Multiple company profiles (up to 5)
• View 5 fiscal years of history

Pro annual plan ¥980/year, or lifetime purchase ¥2,480. Tax schedule calculation works without an internet connection.