Minimal focus. Real progress.
Read, focus, play short brain games — no accounts, no noise.
Free to use. Even better with an account.
The timer and games work with no sign-up. A free account just saves your progress — so your effort actually adds up.
Latest from the blog
Science-backed writing on focus, attention, memory, and cognitive performance — practical ideas you can apply today.
The Power of Routines: Why Decision-Free Days Are More Productive
Every decision drains a little cognitive capacity. Routines eliminate decisions by automating behavior, freeing your limited mental resources for the work that actually requires thought.
Read article →Goal Gradients: Why You Speed Up as You Near the Finish Line
The closer you get to a goal, the harder you push toward it. This is the goal-gradient effect — a deep feature of motivation that you can engineer into your tasks and habits to sustain momentum.
Read article →Cognitive Reframing: How Changing Your Interpretation Changes Your Focus
The same situation can be experienced as a threat or a challenge, a disaster or an opportunity. Cognitive reframing is the skill of deliberately choosing the interpretation that serves you — and it measurably affects performance.
Read article →Focus in Open-Plan Offices: Surviving the Hardest Environment for Deep Work
Open-plan offices were sold as engines of collaboration, but research shows they often reduce both focus and interaction. Here is how to protect your attention in one of the most distracting environments for knowledge work.
Read article →Activation Energy: The Science of Getting Started
The hardest part of almost any task is starting it. By understanding activation energy — the initial effort required to begin — you can deliberately lower the barrier to starting and let momentum do the rest.
Read article →Habit Tracking: Does Measuring Behavior Actually Change It?
Marking an X on a calendar for every day you complete a habit seems trivial. Yet the simple act of tracking a behavior measurably increases the likelihood you maintain it. Here is why — and how to do it well.
Read article →Frequently asked questions
Is Zenbrox free?
Yes — the focus timer, all brain games, and most articles are completely free with no account required. Zenbrox Pro ($3.99/mo) unlocks all articles and premium downloadable resources.
Do I need to create an account?
No. You can use the focus timer and play brain games without signing up. An account lets you track your streaks, save session history, and access Pro content.
What is the Pomodoro Technique?
The Pomodoro Technique breaks work into 25-minute focused sessions separated by 5-minute breaks. After four sessions, take a longer break. It reduces mental fatigue and makes large tasks feel manageable.
Do brain training games actually improve focus?
Targeted cognitive training can improve specific skills like working memory and reaction time. Our games are built around evidence-based tasks — dual n-back, the Stroop effect, pattern recognition — shown to strengthen attention and cognitive control.
What is deep work?
Deep work is focused, distraction-free effort that pushes your cognitive capabilities to their limit — coined by author Cal Newport. Zenbrox is designed to help you enter and sustain this state through structured sessions and cognitive training.
Real tools for minimal distraction and real progress
Zenbrox is a free productivity platform built around the science of focus and cognitive performance. Our goal is simple: give you minimal, distraction-free tools that create real, measurable progress — without the noise of bloated apps and constant notifications.
Use the focus timer to structure your work sessions using the Pomodoro method or custom intervals. Each session builds a streak and tracks your total focus time, so you can see real progress over time. Minimal setup, maximum output.
Read science-backed articles on attention, memory, and mental performance. Play brain training games designed to sharpen reaction time, working memory, pattern recognition, and cognitive flexibility — all in short, focused sessions.
Download free focus resources — checklists, planners, and guides built around real cognitive science. No filler, no fluff. Pro members unlock the full library and exclusive deep-dive content.
No account required to get started. Real focus begins with a single session — start yours now.