Mark thedays that matter.
A calm countdown app for iOS. Track birthdays, trips, and everything in between — with widgets that live where you already look.
April 1, 2026
Time until TestFlight opens
Most countdown apps add more chrome than clarity.MarkTheDay is the quiet one.
No subscriptions, no clutter. Just the days left until the things you care about.
Everything you need,nothing you don't.
Countdown Cards
Beautiful, color-coded cards with emoji. Glance at what's coming up at a glance.
Home Screen Widgets
Small, medium, and large widgets. Your countdowns live right on your home screen.
Lock Screen Widgets
Days remaining, right where you glance most. No need to unlock.
Live Activities
Dynamic Island and Live Activities keep active countdowns in the periphery.
Apple Watch
Complications and a dedicated Watch app so your wrist stays in the loop.
Calendar & Timeline
See all your upcoming events in a timeline or calendar layout. Full picture, fast.
Public Holidays
Automatically shows public holidays for your region. Never miss a long weekend.
Notes & Checklists
Attach notes and checklists to events. Pack lists, reminders, whatever you need.
Lives whereyou already look.
Be first in linefor TestFlight.
Drop your email and we'll send you one message when TestFlight opens in April 2026. No newsletters, no noise.
No spam. Just a one-time launch notification.
The path to launch.
Final UI touches, performance pass, TestFlight prep.
Limited beta via TestFlight. Sign up to get early access.
Public release on the App Store + Android version in the works.
A countdown app that isn't loud.