Kairos is a free, all-in-one time visualization and productivity app. It features beautiful animated progress rings showing your day, week, month, and year progress, a daily habit tracker with streak counters, a smart todo list with category filtering, a rich notes app with cloud sync, and a Pomodoro focus timer. It helps you see where your time goes and build better habits.

Is Kairos free to use?

Yes! Kairos is completely free to use. All core features — habit tracking, todo lists, notes, time visualization, and the Pomodoro focus timer — are available at no cost. There are no subscriptions, no paywalls, and no ads.

How does the habit tracker work in Kairos?

Kairos's habit tracker lets you create unlimited daily habits and track them with a beautiful 7-day week view. Each habit shows a weekly progress bar, an automatic streak counter, and completion tiles that light up in gold when you complete them. It helps you build consistency and break bad habits.

Does Kairos have a Pomodoro timer?

Yes! Kairos includes a beautiful built-in Pomodoro focus timer with three modes: Focus (25 minutes), Short Break (5 minutes), and Long Break (15 minutes). It features a stunning animated progress ring that fills as your session progresses, helping you stay in the zone.

Can I sync my Kairos data across devices?

Yes! When you sign in with your Google account, all your todos, habits, and notes are synced to the cloud via Supabase in real-time. You can access your full data from any device — desktop, tablet, or mobile — using any modern web browser.

What makes Kairos different from other productivity apps?

Kairos uniquely combines time visualization with productivity tools. Instead of a plain task list, you see beautiful animated progress rings showing how much of your day, week, month, and year has passed — creating urgency and motivation. It also features a life progress tracker, a glassmorphism UI, an animated starfield background, and a dynamic sun/moon orb that follows the real time of day.

Does Kairos work on mobile?

Yes, Kairos is fully responsive and works beautifully on mobile phones, tablets, and desktops. No app download is required — it runs completely in your web browser.

How do I track my todos and tasks in Kairos?

Kairos's todo list lets you add tasks and categorize them as Work, Personal, Health, or Learning. Each category displays with a vibrant electric color for quick identification. A real-time progress bar shows your completion rate, and you can filter todos by category to focus on what matters most.

Can I take notes in Kairos?

Yes! Kairos has a beautiful notes feature with a grid card layout and a full-screen immersive editor. Your notes auto-save as you type, and they sync to the cloud when you're signed in. You can create as many notes as you need — perfect for journaling, brainstorming, or capturing ideas.

Is Kairos good for students?

Absolutely! Kairos is perfect for students. Use the Pomodoro timer for study sessions, the todo list to track assignments, the habit tracker to stay consistent with studying, and the notes app to capture key ideas. The time visualization features help you become more aware of how you spend your time.

Kairos — Free Habit Tracker, Todo List, Focus Timer & Time Visualization App

Kairos is the ultimate free productivity app. Visualize your time, build better habits, manage tasks, take notes, and focus with a Pomodoro timer — all in one beautiful, cloud-synced dashboard. No ads. No subscription. Free forever.

✅ Free Forever ☁️ Cloud Sync 📱 Mobile Friendly 🔒 Privacy First ⚡ No Installation 🌍 Works Everywhere

⏰ Time Visualization — See Where Your Time Goes

Kairos is the only productivity app that lets you truly see your time. Watch your life unfold with stunning animated progress rings. See real-time progress for your current hour, day, week, month, and year with beautiful SVG animations. Our life progress tracker even shows how much of your expected lifespan you've used — a powerful motivation tool rooted in the stoic philosophy of memento mori (remember you will die).

Time Visualization Features:

Day progress ring — see exactly what percentage of today is left
Week progress bar — track your weekly journey visually
Month grid tracker — see every day of the month at a glance
Year progress ring — how much of this year remains?
Life progress tracker — put time in perspective
Dynamic sun/moon orb reflecting the real time of day
Real-time digital clock always visible
Animated starfield background for immersive experience

✅ Smart Todo List — Task Manager with Category Filtering

Organize your tasks and take control of your day with the Kairos smart todo list — the best free task manager with category support. Create tasks, assign them to categories, and track your completion rate in real-time.

Todo List Features:

Unlimited todos — add as many tasks as you need
Category filtering: Work, Personal, Health, Learning
Vibrant color-coded category badges (Electric Blue, Emerald Green, Crimson Red, Purple)
Real-time completion progress bar
Smooth spring animations for adding and removing tasks
Cloud sync — your todos available on all devices
Mark complete with satisfying golden checkmark animation

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🔥 Habit Tracker — Build Streaks & Stay Consistent

Build lasting habits and transform your life with the Kairos habit tracker. The most beautiful free habit tracking app available, featuring streak counters, weekly progress bars, and tactile daily completion tiles.

Habit Tracker Features:

Add unlimited daily habits to track
Visual 7-day week view with completion tiles
Automatic streak counter — never lose count
Weekly progress percentage bar
Golden animated completion tiles for a satisfying check-in
Cloud sync — habits available on all your devices
Simple one-tap daily check-in

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📝 Notes — Cloud-Synced Note Taking App

Capture thoughts, ideas, and insights with the Kairos notes app. A beautiful card-grid layout with a full-screen immersive dark editor. Auto-saves every keystroke. Syncs to the cloud instantly when signed in.

Notes Features:

Beautiful card-grid layout for quick scanning
Full-screen distraction-free dark editor
Auto-save — never lose your thoughts
Cloud sync via Supabase
Unlimited notes
Create, edit, and delete notes instantly
Note previews in card grid

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🎯 Pomodoro Focus Timer — Beat Procrastination

Unlock deep work and beat procrastination with the Kairos Pomodoro focus timer. Based on the proven Pomodoro Technique, it helps you work in focused intervals with structured breaks to maximize productivity and mental stamina.

Focus Timer Features:

Focus Session: 25 minutes of deep, distraction-free work
Short Break: 5 minutes to rest and recharge
Long Break: 15 minutes for a more complete reset
Beautiful animated circular progress ring fills as time passes
Start, pause, and reset controls
Browser notifications when sessions end

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🌟 Why Kairos is the Best Free Productivity App

Completely Free — No hidden costs, no paywall on core features, no ads
All-In-One — Time visualization + habit tracker + todos + notes + focus timer
Beautiful Design — Premium glassmorphism UI with dark theme and gold accents
Cloud Sync — Sign in with Google, access everything on every device
No Installation Required — Works directly in your browser on desktop and mobile
Privacy First — Your data stays yours
Works Everywhere — Desktop, tablet, and mobile responsive design
Fast and Lightweight — Progressive Web App technology
Time Visualization — Unique, no other app shows your life progress this way
Motivational — Streaks, progress rings, and quotes keep you going

Who Uses Kairos?

Students — Use Pomodoro timers for study sessions, track assignment todos, build study habits
Remote Workers — Manage work tasks, track focus sessions, maintain work-life balance
Entrepreneurs — Stay on top of todos, build productive habits, and track goals
Habit Builders — Anyone working on morning routines, fitness habits, or daily rituals
Writers & Creatives — Use the notes app and focus timer to enter creative flow
Productivity Enthusiasts — Who want a beautiful, all-in-one system that actually works