OnDay - Lock Screen Planner

onzLab.

About this app

Your day at a glance, right on your lock screen — OnDay

Tired of opening an app just to check your schedule?
OnDay shows today's events and to-dos on your lock screen the moment you turn on your phone. It brings your calendar, to-dos, D-Days and weather together in one app.

Key features

1. Today, right on your lock screen
· Weather, upcoming D-Days, today's events and to-dos, and what's next — all at a glance.
· Check off to-dos right on the lock screen. Tap an event to jump to that date in the app.
· Scroll up and the big clock shrinks so you can see more.
· Make it yours with 4 themes (Basic, Calendar, Circular, Grid), accent colors and dark mode.
· Swipe left or right to unlock. Your device lock (PIN, fingerprint) stays in place.

2. Day Log — your home screen in the app
· Weather, D-Days, today's events and to-dos, and upcoming events in one simple list.
· Tap the weather for the next 12 hours and a daily forecast.
· Expand all of today's to-dos right where they are.

3. A calendar you can read at a glance
· Events appear as color bars; multi-day events span their days.
· Lunar dates, public holidays (22 countries) and daily weather.
· Repeat every n days (1–30), weekly, monthly or yearly.
· Multiple reminders, from on time to one day before.
· Search and attach places to events.
· Shows events from calendars on your device (Google Calendar and more).

4. To-dos that show your progress
· Organize by category and track today's progress.
· Finished to-dos are recorded automatically.
· See your streak, this week's count and a 12-week activity calendar.

5. D-Days you won't forget
· Trips, exams, birthdays, anniversaries and more.
· Yearly, monthly and weekly repeats, plus lunar dates.
· A daily heads-up for upcoming D-Days.

6. Weather
· Current temperature, hourly and daily forecasts from the Korea Meteorological Administration.
· Refreshes every 3 hours and right away when you move. (Korea only)

7. Month calendar widget
· See this month's events, holidays and weather without opening the app.
· Tap a date to add an event.

Why OnDay
· Simple, clean design focused on what matters.
· No sign-up: your events, to-dos and D-Days stay on your device.
· No ads, free to use.

Download OnDay and start a calmer day!

Questions or ideas? We'd love to hear from you.
Your reviews help make OnDay better.

What’s new

[What's new]
· Today in your notifications - with the lock screen on, the status notification shows your next event or the current weather. Choose Schedule, Weather or Simple in Settings.
· More detailed weather - 24-hour forecast, sunrise and sunset times, and where the current temperature sits on today's range.

[Changed]
· Clear nights now show a moon icon.
· Weather is always on, with a refresh button in Settings.
· Cleaner single-color notification icon.