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Calendarly

Dmytro Katyukha

Designs and builds Calendarly, the iPhone app that puts your calendar, reminders and countdowns on the Lock Screen and redraws them every morning.

What he makes

Calendarly has been on the App Store since February 2026. It speaks 23 languages and has over 150 Lock Screen layouts, along with Home Screen widgets and Live Activities.

He also writes the guides on this blog, about getting your calendar, reminders, to-do lists and countdowns onto the iPhone Lock Screen, and made the free Lock Screen tools: a calendar wallpaper for any month, a countdown wallpaper and a life calendar.

Where to find him