Birthday Reminder

Keep every birthday on time — even offline. • Works fully offline • Add birthdays: name, date, note, photo • Contact actions: call / email / social link • Quick share wishes (system share: SMS, WhatsApp, Zalo, etc.) • Filters & sort: this month, next 7/30 days, favorites; A–Z or soonest • Calendar view with markers • Countdown timeline (D-xx) • Memories: multiple photos, tags (Family/Friends/Colleagues), location • Mark “congratulated this year” + gift note • Favorites • Export/Import JSON for backup/transfer • PIN lock for privacy • Multi-language support