Transform your phone from a distraction machine into a productivity powerhouse
Endless scrolling? Constant notifications? App hopping? Reef creates a sanctuary of focus in your digital life.
"The ability to focus is the new superpower in today's distracted world."
- Truly Effective Blocking - No loopholes, no "just one more minute"
- Smart Usage Insights - Understand your habits, not just limit them
- Beautiful, Minimal Design - Focus on what matters, not the tool itself
- Zero Data Collection - Your digital habits remain private to you
- Actively Maintained - Regular updates and new features
 Simple Dashboard |
 Focus in Action |
 Track Your Progress |
 Set Boundaries |
 Stay on Track |
 Customize Your Focus |
- Focus Mode - Block distracting apps during dedicated work sessions
- App Usage Stats - See where your time actually goes
- Daily App Limits - Set healthy boundaries for addictive apps
- Custom Whitelist - Allow important tools while blocking distractions
- Flexible Timers - Work in intervals that match your concentration style
- Material You Design - Beautiful integration with your phone's theme
"I built Reef because I was tired of being controlled by my phone. It's designed to be the tool I wish I had when trying to focus on what really matters."
Reef is available on the Google Play Store:
If Reef has helped you reclaim your focus and productivity, consider supporting ongoing development:
Reef is open source and available under the MIT License:
MIT License
Copyright (c) 2023-2025 Pranav Purwar
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.