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Track habits, run n-of-1 experiments, and see what actually improves your day.
Datalyst turns daily check-ins into evidence about your own life. Most tracking apps show you what happened. Datalyst is built to answer a harder question: did the thing you changed actually make a difference? N-OF-1, ON YOUR PHONE A single-subject experiment is the cleanest way to test something on yourself. Pick a protocol, run it for a while, keep logging, and look at the result against your own baseline, not against a population average that may say nothing about you. WHAT YOU CAN TRACK • Sleep, focus, mood, energy and workouts • Routines and habits, as often or as rarely as you like • Any custom variable you define, numeric or scaled WHAT YOU GET BACK • Streaks and activity heatmaps, so gaps are obvious at a glance • The Lab: test correlations between a protocol and an outcome • Trends over time, rather than a number that resets every morning • Your history, kept and comparable across months BUILT FOR HONEST DATA Logging takes seconds, because a tracker you skip is a tracker that lies. Nothing nags you, nothing gamifies your health, and nothing pretends a correlation is a diagnosis. PRIVATE BY DEFAULT Your log is yours. Privacy policy: https://www.datalyst.one/privacy Datalyst is a self-tracking tool, not a medical device. It does not diagnose, treat, or replace professional medical advice.