prtcl: protocol tracker

Make a protocol your own. Follow your daily steps and connect them with your measurements, charts and photo records. Find patterns worth investigating.

Your health protocols and measurements, together.

Make a protocol your own, follow your daily steps, and track the measurements that matter to you. Keep your routines, running times, weight, sleep and photo records in one place.

Built for people who like to measure things, prtcl gives you a practical logbook for biohacking, fitness and everyday health routines.

Make a protocol your own Choose a template or build a protocol from scratch. Keep the steps that fit, drop the ones that don't, and add your own. Set targets and schedules as your routine changes.

Know what's on today Follow your scheduled steps in one daily log. Tick off a task, enter a measurement or record a tally. Weighted adherence scores help you see how consistently you follow your plan.

Connect the dots Explore correlations between your protocol steps and your markers. See how your routine relates to changes in your measurements and find patterns worth investigating. Correlations show associations, not proof of cause.

Track what matters to you Log weight, sleep, running times and custom measurements. Record subjective markers such as energy or mood, and review your history in charts. Keep photo markers alongside your numbers with timeline, comparison and overlay views.

Bring your records with you Import a .prtcl or JSON protocol file and customise it. Save a backup of your records and photos, export tracking data as CSV, and restore from a backup.

Start free Try your first protocols and daily logging before subscribing. prtcl Pro adds unlimited protocol adoptions, custom protocols and steps, plus 30-, 60- and 90-day adherence views. Some features shown in screenshots require Pro. Subscription prices and any available offers are shown in the app before purchase.

Your tracking records are stored on your device. No prtcl account is required. Subscriptions use RevenueCat and the platform's app store. See the privacy policy for details about optional health connections and other services.

prtcl is a tracking tool, not a medical device. It does not diagnose conditions or recommend treatments. Use it to keep records and discuss questions with a qualified health professional.

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