SympLog

SympLog is a private journal for your health and daily life. Track how you feel, discover patterns over time, and keep every entry encrypted on your device — no account, no cloud, no tracking. It's a personal wellness journal, not a medical device: it doesn't offer medical advice, diagnosis, or treatment. It simply helps you notice what your days have in common. PRIVATE BY DESIGN • No account or sign-up — open the app and start writing • Everything is encrypted and stays on your device • No tracking, no ads, no external servers • Optional app lock with fingerprint, face unlock, or PIN ONE JOURNAL FOR EVERYTHING • Symptoms: log how you feel in seconds, with intensity and notes • Vitals: weight, body fat, steps, temperature — or any value you define • Sleep and mood: rate your nights, jot down dreams and thoughts • Cycle: a simple calendar with a private estimate of your next cycle • Daily life: nutrition, activities, supplements, and events, all in one place • Make it yours: rename, reorder, hide, and create your own categories SEE THE BIGGER PICTURE • Discover how sleep, food, mood, cycle, and more influence each other • Clean charts show your trends across weeks, months, or the whole year • Build a clear timeline of how you've been doing — helpful at your next doctor's visit, if you choose to share it PRACTICAL WHEN IT COUNTS • Optional Health Connect import (read-only, off by default) • Encrypted backups and CSV export — your data is always yours to take • Encrypted PDF reports of your journal • Reminders that fit your routine • Fast, fluid, and beautiful in dark mode MADE IN SWITZERLAND 🇨🇭 SympLog is built by BitByBit.ch, with the conviction that health data belongs to the person it describes. DISCLAIMER SympLog is a personal lifestyle and wellness journal, not a medical device. It does not provide medical advice, diagnosis, or treatment. For any health concerns, please consult a qualified healthcare professional.