Focus app for iOS and Android
Lumen
The focus timer that actually keeps you off your phone. Free to start, no account needed.
4.9
App Store
4.8
Google Play
500k+
Downloads
12M
Focus hours
Why Lumen
Everything you need to actually focus.
No bloat, no nagging, no dark patterns.
Distraction blocking
Lock away the apps that derail you until your session ends.
Streaks and stats
Watch your focus hours add up and keep the streak alive.
Syncs everywhere
Start on your phone, finish on your tablet. Always in sync.
Focus modes
Deep work, study, reading. Presets for how you actually work.
Weekly insights
See where your attention goes, and where it leaks.
Calm by design
A quiet interface that never begs for your attention.
Focus in four taps.
No setup, no learning curve.
- 01
Pick a focus block
Choose how long, and what to block.
- 02
Lock it in
Distracting apps go dark until time is up.
- 03
Do the work
Lumen stays out of your way.
- 04
Keep the streak
Every session builds your momentum.
Reclaim your attention.
Free on iOS and Android. Pro unlocks sync, focus modes, and insights.
Why people switch to Lumen.
What the basic timer apps leave out.
| Feature | Lumen | Other timers |
|---|---|---|
Actually blocks distracting apps | ✓ | - |
Syncs across your devices | ✓ | - |
Focus presets for different work | ✓ | Basic |
Weekly attention insights | ✓ | - |
No ads, no nagging | ✓ | Ads |
Free to start | ✓ | ✓ |
Loved on the App Store.
The only focus app that's survived on my home screen. The blocking actually works.
Dana K.
★★★★★
My thesis got written because of Lumen. The streak is weirdly motivating.
Ravi M.
★★★★★
Clean, fast, no nonsense. I open it ten times a day.
Lena F.
★★★★★
Pricing
Free to start. Pro when you're ready.
No account needed for the basics.
Pro
$4.99
/ mo
For people who live in focus mode.
Everything in Free
Sync across all devices
Focus modes and presets
Weekly insights
Calm widgets and themes
Questions, answered.
+Which platforms is Lumen on?
Which platforms is Lumen on?
iOS and Android, with sync between them on Pro.
+Do I need an account?
Do I need an account?
No. You can start focusing the moment you install. An account only matters if you want to sync.
+Does blocking really work?
Does blocking really work?
Yes. During a session, blocked apps are locked behind Lumen until your time is up.
+Is my data private?
Is my data private?
Your focus data stays on your device. We never sell it, and there are no ads.
+Can I use it offline?
Can I use it offline?
Completely. Lumen needs no connection to run a session.