OneShot: GLP-1 Weight Tracker

OneShot is a GLP-1 tracker for people on Ozempic®, Wegovy®, Mounjaro®, Zepbound® or another semaglutide or tirzepatide medication. Log every shot and dose, get injection reminders, and follow your weight loss, side effects and food in one place.

[Why OneShot]
One injection a week, a dose that changes every few weeks, side effects that shift from week to week: on a GLP-1 it is easy to miss a shot, double up, or forget which dose you are on. OneShot keeps your whole treatment in one simple log, so you stop relying on memory and can see in numbers how your body responds.

[Supported GLP-1 medications]
- Mounjaro, Zepbound and tirzepatide
- Ozempic, Wegovy and semaglutide
- Any other GLP-1 medication, with a custom dose
- Single-use pens, auto-injectors, or syringe and vial
- A daily, weekly, every-two-weeks or custom dose schedule

[Features]

GLP-1 shot tracker and injection reminders
Record the medication, dose, injection site, pain level and time of every shot. OneShot counts down to your next injection and reminds you the evening before, on the morning of shot day, and again in the evening if the dose is still not logged. The home screen also estimates how much effect is left from your last dose.

Injection site tracker
Pick from 12 injection sites across the stomach, arms, thighs and hips. Your shot history shows where each dose went, so rotating sites is easy.

Side effect tracker
Nausea, constipation, fatigue, headache, bloating, hair loss, appetite loss and more: log the symptom, its severity, its intensity and how long it lasted. Each side effect is linked to the shot before it, so you can show your doctor exactly what happened and when.

Weight loss tracker and BMI
Log your weight in seconds and follow your trend, BMI, goal weight and what is left to go, in pounds or kilograms.

GLP-1 food tracker with protein goals
Snap a photo of your meal, scan a barcode, search, or just say what you ate. OneShot works out calories, protein, carbs and fat, with daily targets set for your body and goal. Save your usual meals and copy a meal from an earlier day.

Water, steps and walks
A daily water goal with gentle reminders, your step count from Health Connect, and walks with live tracking of distance and calories burned.

Weekly AI insights
Every week and every month, OneShot reads your shots, weight, meals, water and symptoms together and writes a short report for your GLP-1 journey: what changed, what seems to work, and what to try next. The more you log, the more personal it gets.

Progress photos
Take a before photo and an after photo and compare them side by side with your weight change. Your photos stay private.

Streaks and weigh-in reminders
A logging streak, a weekly weigh-in reminder and quiet hours you control keep you consistent without the noise.

Health Connect
OneShot reads steps, active calories and weight from Health Connect and can save the calories of the meals you log. You decide what to share and can change it anytime.

[Who it is for]
- Anyone taking a GLP-1 (GLP1) medication such as semaglutide or tirzepatide for weight loss or type 2 diabetes
- People starting Ozempic, Wegovy, Mounjaro or Zepbound who want a simple shot and dose tracker
- People who want clear data for their next doctor visit
- People building steady food and activity habits alongside their treatment

[Important]
OneShot is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. It does not prescribe or sell medication. Always consult a healthcare professional for medical advice, diagnosis, or treatment, and before changing a dose.

Ozempic and Wegovy are registered trademarks of Novo Nordisk A/S. Mounjaro and Zepbound are registered trademarks of Eli Lilly and Company. OneShot is an independent app and is not affiliated with, sponsored by or endorsed by these companies.

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