Reflex is a discipline.
REACNAR exists because most reaction trainers don't train reaction. They train rhythm. We built the opposite.
Why REACNAR exists
Almost every popular reaction app gives the brain something to lock onto — a countdown, a beat, a tell. Within seconds you're not reacting anymore, you're anticipating. The number on the screen drops, but the skill you actually need in the field hasn't moved.
REACNAR removes every cue your brain could anchor to. The stimulus is unscheduled, the interval is non-uniform, the session never warms you up. What gets measured is the only thing that matters: the time between perception and action.
The idea behind reflex training
Reaction time is partly trainable. Repeated exposure to unpredictable stimuli tightens the perception-to-action loop, lowers your floor, and — more importantly — shrinks the spread between your best and worst attempts. We optimize for consistency before we optimize for peaks.
Who it's built for
Sprinters waiting on a starter pistol. Drivers at a light. Fighters reading a shoulder. Esports players holding a corner. Tactical operators clearing a doorway. Anyone whose job, sport, or hobby is decided in the first 250 milliseconds.
How we build
A small team — engineers, a sprint coach, and a former motorsport reaction analyst — working between Stockholm and Tokyo. We ship slowly, we measure everything, and we throw out features that look impressive but don't move the numbers.