D vs Onseol

D-Day Keep — a beautiful countdown widget for every day that matters. Anniversaries, birthdays, exams, trips — keep every important date at your fingertips. # Key features • D-Day countdown — register any date, past or future. Days are calculated automatically every day. • Home screen widget — see your D-Days at a glance, no need to open the app. • Photo backgrounds — place a memory on your D-Day card. • 8 themes — Coral, Ocean, Forest, Sunset, Gold, Midnight, Blossom, Ivory. • Milestone alerts — D-100, 1-year, the day itself, and more. • Cloud backup (optional) — sign in to keep your D-Days across devices. • 20 languages — Korean, English, Japanese, Chinese, Spanish and more. • Minimal ads — light and unobtrusive. # Perfect for • Couples tracking 100-day & anniversary milestones • Family birthdays and wedding anniversaries • Exam prep — college entrance, certification, professional tests • Trips, concerts, military discharge, big events • Diet, quit-smoking, workout — track when you started • Keeping memories of someone special, with a photo # Why D-Day Keep? • Start instantly — no sign-up required • Sign in is optional — Google, Apple, or Kakao for cloud backup • Beautiful cards with photos & themes — every day feels like a memory • Home widget — your D-Days stay visible every day • Localized for 20 languages — naturally, not auto-translated # Privacy-first If you don't sign in, your D-Days never leave your phone. Cloud backup only applies after sign-in, and you can delete your account at any time to permanently erase all data. • Privacy policy: https://codesand.co.kr/app/dkeep/privacy • Terms of service: https://codesand.co.kr/app/dkeep/terms • Support: dkeep@reply.codesand.co.kr

Onseol counts the days that matter — no account, no sign-up, no ads. Your D-Days live on your phone. Onseol has no server and keeps no copy. • Korean-style D-Days — D-100, D-7, D-DAY, and days-since counted from day 1. 100-day and yearly milestones, automatically. • Lunar (음력) birthdays & memorials — Onseol finds the solar date for you each year. • Home & Lock Screen widgets (iOS 16 or later) — automatic, or one D-Day of your choice per widget (iOS 17 or later). • Reminders at D-7, D-1 and D-DAY, and on day-count milestones — all scheduled on your phone. A small card in the app on milestone days. • Share a D-Day as a card, with a link that opens it in a friend's Onseol, ready to add. • Back up your D-Days and their photos to a file you keep, and restore them on a new phone. ONSEOL PRO — one purchase, forever. Not a subscription. • Unlimited D-Days and all 16 colors • Your photo on any D-Day — on its card, and in the Photo widget (iOS 17 or later) • Three more widget designs: Ring, Photo and Minimal (iOS 17 or later) • Count it your way — in years, months and days, in weeks, or in hours • Every milestone with its date, from day 100 to day 10,000 • Ink and Photo share cards Free: five D-Days, the classic widget in every size, reminders, lunar dates, milestone cards, the Paper share card and backup. Onseol Pro supports Family Sharing.