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About TriLog

TriLog is the personal data logger. Capture mood, energy, focus, and symptoms in seconds — then see how they line up with sleep, weather, habits, and everything else on one timeline. Most trackers ask once a day how you felt, then average it. But the crash hits at 2pm. The migraine lasts four hours. The good morning follows a bad night. TriLog records moments, not daily summaries: every entry has a time, and a whole week sits on one screen, hour by hour. Built for people who already track seriously — energy you have to budget, symptoms nobody can explain, experiments you're running on yourself — and who have outgrown mood journals, spreadsheets, and scattered notes. NEW IN 4.0 • Notes view — every note, tracker entry, and dose from the week in one place. Filter it, or flip to a two-week time-of-day chart. • Forms — log several fields as one entry: a pain episode, a bowel event, a restaurant visit. Start from a template or build your own. • Trials — run an experiment (magnesium, no afternoon coffee), mark the days you missed, then end it Adopted, Dropped, or Inconclusive. • Episode trackers — a headache with a start, a severity, and a stop, drawn as a band for as long as it lasted. • Provider Report — a printable PDF of your sleep, energy, trackers, and forms to bring to an appointment. • Interactive dashboards — export the week chart or your metrics as a web page and explore months on a big screen. • Trio view — a week chart with the three columns you choose. CAPTURE IN SECONDS Capture has to be effortless or it won't survive a hard week. • One tap each for mood, energy, and activity • Quick Track — leave it open and log with single taps • Type a line — "t hd 3", "int coffee" — with your own shorthand • Siri — "energy 3", "mood sad" • Long-press any chart to log at that time; drag a marker to re-time it EVERYTHING ON ONE CLOCK Your entries sit alongside weather, barometric pressure, pollen, air quality, and daylight; Apple Health sleep stages, HRV, resting heart rate, steps, and workouts; and hour-by-hour Screen Time. Did this week feel worse because of sleep, pressure, screen time, or something you took on Tuesday? WHAT YOU CAN LOG • Mood, energy, and activity throughout the day • Notes — meals with calories, health, journal, cycle • Trackers — ratings, numbers, choices, episodes, traffic lights, titled ratings • Intake — coffee, supplements, medications, with caffeine totaled in mg • Day Launch and Day End — sleep, goals, reflections, routines • Habits — daily checkmarks, no streaks, no scores SEE WHAT LINES UP • Week chart — seven days, twenty-four hours, one screen • Day view, Notes view, and Trio view • Journal — your journal notes and Day End reflections, collected day by day with photos • Metrics grid — sleep, energy, weather, steps, trackers, and trials by day • Analysis — patterns, day ratings, correlations, intake and cycles against your ratings • Free, open-source Mac and Windows viewer PRIVATE BY DEFAULT No account. No third-party servers. No ads. Your log lives on your device, with optional iCloud backup. Export everything, anytime. ONE PRODUCT, NO TIERS Try everything free for 30 days. Then $59.99/year or $7.99/month to keep logging. Cancel during the trial and pay nothing. If you stop subscribing, the app becomes read-only — everything you logged stays browsable and exportable. Demo Mode (Menu → About) lets you explore with sample data first. A LOGBOOK, NOT A DOCTOR TriLog records and displays. It does not diagnose, treat, or give medical advice. If you find a pattern that matters, bring it to a qualified professional. Questions or ideas? I read every email: [email protected] Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

What’s new

Version 4.0.0 · Updated October 14, 2026

TriLog 4.0 — the biggest update yet. NEW • Notes view — every note, tracker entry, and dose from the week in one place. Filter by note type, intake, tracker, or trial, or flip to a two-week time-of-day chart. • Forms — log several fields as one entry. Templates for Bowel Event, Pain, Restaurant Review, and Date, or build your own. Every field charts on its own. • Trials — run an experiment on yourself, mark missed days in Day End, and end it Adopted, Dropped, or Inconclusive. • Episode trackers — log a severity, tap Stop when it ends, and see it drawn as a band for as long as it lasted. • Provider Report — a printable PDF of sleep, daily energy, and the trackers and forms you choose, for your next appointment. • Interactive dashboards — export the week chart or your metrics as a self-contained web page. • Trio view — a week chart with the three columns you choose. Also sets the right side of the Day view. • Routines — confirm your daily routines in one tap at Day End. • Intake adds up caffeine in milligrams, and "int coffee" logs from a typed line. ONE PRODUCT, NO TIERS TriLog is now a single app instead of a free version and a separate Pro version. • Try everything free for 30 days. • Then subscribe to keep logging: $59.99/year or $7.99/month. • If you ever stop, everything you logged stays readable and exportable — you're never locked out of your own record. • Already subscribed? Nothing changes. Plus a round of fixes and refinements throughout. Questions, or found something worth sharing? I read every email — [email protected]

App privacy

The developer, Joseph Orr, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Identifiers: Device ID
  • Usage Data: Product Interaction
  • Diagnostics: Other Diagnostic Data

Used for: Analytics, App Functionality

Alternatives to TriLog

Looking for apps like TriLog? Here are 6 similar apps on the App Store. The highest rated is Takeover: Daily Habit Tracker (5.0/5), and all 6 are free to download.

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