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Sarenica is a desktop app that measures cognitive fatigue, focus, and work patterns in real time. It tracks typing behavior, mouse activity, and eye metrics to estimate energy and attention trends — all processed locally for privacy. Visualize daily/weekly insights, run personal productivity experiments, and understand how AI-assisted work affects your cognition. 14-day free Windows trial.
SarenicaResearch-grade cognitive fatigue tracker for desktop
Mukul Singh left a comment
Hey everyone, I’m Mukul, the founder of Sarenica. I built this because I noticed something strange while working with AI tools — I would feel mentally drained even when I wasn’t typing much. The classic “screen time” metrics didn’t capture what was really happening. So I started building a system that estimates cognitive fatigue using behavioral signals like typing speed variation, scrolling...
SarenicaResearch-grade cognitive fatigue tracker for desktop