Two signals behind every state
Every state comes from two signals Zone measures continuously. Brain Load is Zone's real-time measure of cognitive load, how hard your mind is working right now. Brain Energy is how much capacity you have left. The balance between them is what moves you from flow to fatigue. Both are read from the rhythms in your brain activity, including alpha brain waves. Zone is in limited beta; you can reserve early access.
The five states
State 01 · In Flow
Zone detects when your brain enters its peak performance state. Low cognitive load, high mental energy. The app tells you to protect this window: stay on your current task, avoid context switches, and let your focus compound.
State 02 · Locked In
Your brain is engaged and working efficiently. Zone reads the balance between effort and reserves, then surfaces the right task to match your current capacity so you stay productive without burning out.
State 03 · Running Hot
Zone recognizes when cognitive effort is outpacing your energy reserves. Before you hit a wall, it recommends switching to lighter work or taking a strategic break to help you recover before performance drops.
State 04 · Drifting
Zone detects when your attention begins to scatter, before you notice it yourself. Brain engagement drops and mind-wandering patterns emerge. The app surfaces a nudge to redirect focus or switch context before the session loses momentum entirely.
State 05 · Depleted
Sustained effort has bottomed out your cognitive reserves. Zone reads when mental capacity has reached its limit and recovery is no longer optional. It prescribes structured rest so you rebuild the capacity needed for your next deep-work block.