
Do Deep Work.
“To produce at your peak level you need to work for extended periods with full concentration on a single task free from distraction”
— Cal Newport, Deep Work

Join highly productive people doing deep work from these companies and institutions
Why Deep Work?
A 10-year McKinsey study on flow and productivity found that top executives are up to 500% more productive during flow.
McKinseyNereus blocks distractions everywhere for Deep Work.
Distraction blocking across all your devices.
Nereus blocks distracting websites and apps on your desktop and mobile devices so that you can customize your digital focus environment.
Desktop App
The primary app. Start your focus sessions here, manage blocked content, and view your focus analytics.
Mobile App
Phone app blocking. Syncs with the desktop app via QR code scan.
Chrome Extension
For extra intentionality. Set a tab limit in your browser while you work.
Download Nereus
Available on all your devices. Start focusing today and transform your productivity.
Focus With Purpose
For every 100 hours of deep work completed by our community, we remove one pound of plastic from the ocean. Your productivity creates real environmental impact.
Our Impact
Real plastic removed from oceans worldwide, thanks to our focused community.
How It Works
We partner with 4ocean to remove plastic waste from marine environments for every hour of Deep Work performed by our users.
Your Contribution
Track your personal impact in the app and see how your focus time translates to cleaner oceans and a healthier planet.






