A Halcytron app
Lumen
Plan simply.
Drop everything into one Inbox and let Lumen sort it into your day. A simple, AI-assisted daily planner that's gentle, fast, and quietly powerful.
Coming soon. Store links to be added.
Today
Tuesday
One Inbox for everything
Type anything: tasks, notes, reminders. It all lands in your Inbox, ready to sort.
Lumen sorts your day
AI moves what's urgent into Today and files the rest into Upcoming and Ideas.
Swipe to act
Swipe to schedule, complete, or clear. Your whole day in a few gestures.
A morning briefing
Wake up to an AI-written plan for the day, delivered as a gentle notification.
Ask in plain language
Chat with Lumen to plan, reschedule, or refine. No menus, just words.
Private by default
Anonymous to start, no ads or trackers, and your data stored in the EU.
Lumen Pro unlocks the AI (sorting, scheduling, and chat), plus custom categories, colors, and multiple reminders. Monthly, yearly, or a one-time lifetime unlock.