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Private symptom log: two-tap entries, month view, doctor report. No account.
Log how you feel in a few taps. Larkin is a private symptom log for people living with endometriosis, PCOS, migraine, POTS and other long-term conditions. No account, no ads. Your entries stay on your phone. Good days, bad days, days you can barely move. Larkin is built so that logging takes seconds, even when you are tired or in pain, and so that you can show your doctor more than "I think it was worse last month". LOG IN A FEW TAPS - Pick the symptoms that matter to you at the start, or add your own. You can change them any time - Tap a symptom, choose a level from 0 to 10, done. Add a note or a time if you want to - A quick daily check-in for energy, mood and sleep - Tag a day (for example food, coffee or stress) so it is there when you look back - Edit or delete any entry SEE YOUR MONTH - A color-coded calendar shows how each day went, with the number always shown next to the color - Filter by symptom. Tap any day to see everything you logged - Mark the days your period starts. Cycle days and an estimated next date appear once you have logged enough periods. They are estimates from your own entries PATTERNS, NOT CAUSES After enough days of logging, Larkin compares your average symptom level on days with and without things like short sleep, low energy, a tag you added, or the first days of your cycle. It is a plain comparison of your own numbers. It does not say why something happens. Share it with your doctor. A REPORT FOR YOUR APPOINTMENT - Create a PDF for the last 7, 30 or 90 days, or pick your own dates - Shows how many days you logged, your most frequent symptoms with average and highest level, a chart by day, and optional notes, period days and medications - Preview it, then share it by email, message or print MEDICATIONS AND REMINDERS - Keep a list of your medications with an optional reminder time, and mark each dose as taken with one tap - A gentle daily reminder to check in, at the time you choose. Notifications are only requested when you turn a reminder on YOUR DATA STAYS WITH YOU - No account and no sign-up - Your entries are stored on your phone, not on our servers - No ads and no tracking - Larkin asks for your clear consent before it stores anything, and you must be 18 or older - You can delete all your data from inside the app at any time IMPORTANT This app does not diagnose or treat any condition. Reports are written from what you entered. They are self-reported and are not a diagnosis. Larkin is a personal record-keeping tool, not a medical device, and does not provide medical advice. Charts, summaries, cycle estimates and any patterns shown are based only on what you entered, may be incomplete or wrong, and show patterns, not causes. Always talk to a qualified health professional about your symptoms and before changing any treatment. If you think you may have a medical emergency, call your local emergency number immediately.