DayByDay: GLP-1 & Weight

DayByDay: GLP-1 & Weight

Food, Protein & Shot Tracker

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Free
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Released
March 10, 2026
Updated
November 7, 2026

Features

DayByDay: GLP-1 & Weight screenshot #1 for iPhone
DayByDay: GLP-1 & Weight screenshot #2 for iPhone
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DayByDay: GLP-1 & Weight screenshot #8 for iPhone
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About

DayByDay is a personal tracking tool and general information guide to use with your care team. It doesn't diagnose, treat or monitor any condition. For adults 18 and up. Log your weight, food and water, sleep, steps and workouts, body measurements and, if you take one, your GLP-1 shot or pill, with reminders you set yourself. See your trend, not just today's number, and bring a clear report to your next visit. YOUR TREND, NOT THE NOISE • One smoothed trend line by real date, so one day's number doesn't define your week • Goal dates as an honest range, plus milestones worth celebrating FOOD THAT FITS REAL LIFE • Calories, protein, fiber, carbs, fat and water on one calm screen • One-tap Favorites, Copy yesterday and a running basket for a whole meal • Search millions of foods, scan a barcode or nutrition label, or snap a photo of your plate (Plus) • Type any food in by hand, free for everyone. Logging works offline. YOUR GLP-1, ON THE RECORD • Log a shot or pill in a few taps. The site you used longest ago is already picked, and you can choose any other • Reminders on shot day and the evening before, a check-in after you log, plus refill and prior-authorization dates • An estimated medicine-level chart, labeled as an illustrative model, not a measurement • Side effects and notes, ready for your next appointment SLEEP AND ENERGY • Last night's stages, a Sleep Score and sleep debt against your own sleep need • An estimated energy curve for your day, with a caffeine cutoff and a wind-down window INSIGHTS IN PLAIN WORDS • Your week in a sentence: pace, fuel, sleep and activity • Dayo, an optional AI-generated summary of what you log (you decide whether to allow it) • Patterns in your logs, always labeled as patterns, not causes YOUR DAY, EVERYWHERE • Home Screen and Lock Screen widgets, a Live Activity with calories, protein and your next shot, plus Siri and Shortcuts • Discreet mode keeps your medicine's name and your weight off the Lock Screen • Layouts for iPhone and iPad, including iPhone Duo PRIVATE BY DESIGN • Works with Apple Health (optional). Your health data is never used for advertising or marketing, and never sold. • No ads. Delete your account and everything in it, anytime, from Settings. PLANS • Free, forever: every log, Apple Health sync, your full history and spreadsheet export • Core: trends and goal dates, Dayo, Sleep Score, the Energy Schedule, the estimated level chart, milestones, the Sky look, Home Screen and Lock Screen widgets, and PDF reports for your care team • Plus: everything in Core, plus food search, barcode, label and plate-photo logging • New accounts get 14 days of full Plus, free, with no card. After that you stay on Free unless you choose a plan. Core and Plus are auto-renewing subscriptions, billed monthly or yearly to your Apple Account. They renew unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use: https://mydaybyday.app/terms Privacy Policy: https://mydaybyday.app/privacy Estimates are not measurements and not a guide for dosing, eating or treatment. DayByDay doesn't monitor your readings or alert anyone. In an emergency, call 911 or your local emergency number.
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What's New in DayByDay

4.0.0

November 7, 2026

DayByDay 4 is rebuilt from the ground up. • A living sky that follows the real time of day (Core) • A calmer Today screen with swipeable Weight, Fuel and Medication cards • Add Food opens on your own foods: one-tap Favorites, a running basket and Copy yesterday • One Medication hub for your shot or pill, reminders, refills and injection sites • New Weight & Body, Sleep & Energy and Vitals & Labs screens • Share pictures made from your own logs, private until you share • New widgets, a Lock Screen and Dynamic Island card, Siri and Shortcuts, and Discreet mode • Time Away keeps your streaks safe during a trip or a sick week • Layouts made for iPad and iPhone Duo • Dayo now asks before it uses your numbers

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Subscriptions & In-App Purchases

DayByDay Core Monthly

Trends, Dayo AI Coach, scores and reports

$4.991 Month
How to cancel DayByDay subscription ⁉️

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