WeekArc brings your health and progress records — injections you log, weight, body values, water, protein, daily check-ins — together on one clear timeline, so you can see your own journey take shape.
No account. No ads. Your health data lives on your phone.
Not another injection counter. WeekArc is the one place your whole picture comes together — recorded by you, read from Apple Health, shown side by side.
Open the app and read your day in one glance: today's weigh-in, how it compares with yesterday and with your starting point.
Record when and where you injected, see your week at a glance and your next planned date. WeekArc records — it never doses or advises.
Weight, estimated fat mass, lean mass and body fat percent as trends over time — single readings swing; trends tell the story.
On GLP-1, eating enough protein, fiber and water is the real challenge. WeekArc makes sufficiency visible — no red numbers, no calorie shame.
Food thoughts, hunger, energy and symptoms in your own words and simple scales — recorded as you wrote them, never interpreted.
Upload your scale app's result screenshot — the numbers are read on your phone and filled in for you. Progress photos stay on the device.
WeekArc was built local-first from day one. Your health record is yours — it lives on your phone, not on our servers. We don't have servers for your health data.
You keep the records. Arcy reads them and talks with you about them — what a week looked like in your records, what your own numbers have been doing, what tomorrow's shot day means for today. It describes; it never claims to know why.
Arcy · Tuesday, September 1TodayEverything you log is free, forever — doses, weight, meals, water, patterns and the doctor summary. Arcy is the one optional paid part: $9.99/month or $59.99/year after a 7-day free trial. Arcy is off until you switch it on, coaches habits and consistency rather than giving medical advice, and never discusses doses — questions about your health belong to your doctor. When Arcy writes, a summary of your records and the messages you type go through our server to OpenAI, our AI provider: today's numbers, the key facts of your journey (including the name of the medication you recorded), your last 28 days day by day (with the kinds of symptoms you noted, if you choose to share them) and weekly summaries since your first record. Your name, dose amounts, injection sites and notes are never added; if you type them in a message, they go with that message. The details are in our privacy policy.
WeekArc is live for iPhone. Android follows.
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