Penline
Every dose, kept
Penline keeps the run on semaglutide or tirzepatide in one place on your phone: each shot and the site it went in, each dose step, each weigh-in, drawn as one line. No account, no server, and a report for your doctor on one page.
What it does, in three screens
Answer four questions and Penline draws your run so far. From then on, one tap a week keeps it.
More in the app
The pill, too
The daily pill is a first-class answer, logged in one tap, and compounded vials take units with your vial's strength.
A report for your doctor
One page with the dose steps, the weight change and the side effects, as a PDF, and the full log as a CSV.
Reminders that say where
Dose day with the dose and the next site, a widget counting down, and an evening check-in if you want one.
A log, not advice
Penline records what you take. It never suggests a dose or a schedule.
Your data stays yours
Everything you log stays on your phone. There is no account and no server, and nothing is synced to iCloud. A backup file leaves only when you save one.
- RevenueCat records how far the first screens and the purchase screen got, and Apple and RevenueCat record a purchase. Neither ever sees a dose, a weight or a check-in.
The yearly plan starts with a 3-day free trial, with a reminder the day before it ends. No weekly plan.
The Journey chart, the shot and pill log with site rotation, check-ins, the doctor report, reminders and the widget, yearly, monthly or once for life.
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