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. • 13 languages — Korean, English, Japanese, Chinese, Spanish, Portuguese, Indonesian, Vietnamese, Arabic, Russian, French, German, Italian. • 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 13 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: support@codesand.co.kr