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The Best Free Calorie Tracker App for People on Mounjaro or Wegovy

Tracking calories and macros when your appetite has changed dramatically is a different challenge — and a dedicated free calorie tracker app built for GLP-1 life makes it far easier. GLP Trackr lets you log food by snapping a photo, scanning a barcode, or searching a database, so you can stay on top of calories, protein, and macros even on days when eating feels like an afterthought. It is available free on iPhone (App Store) and Android (Google Play), with a 7-day free trial.

Trusted by 10,000+ GLP-1 users
The Best Free Calorie Tracker App for People on Mounjaro or Wegovy

Why Calorie Tracking Matters on a GLP-1 Journey

When appetite drops sharply — a commonly reported effect for people on tirzepatide or semaglutide — it becomes easy to under-eat, particularly on protein. Tracking gives you a clear picture of what you are actually consuming, which is especially useful when hunger cues are no longer reliable guides.

What to focus on when logging food on GLP-1 medication

  • Protein first. Many people find that prioritising protein at each meal helps preserve muscle and keeps energy steadier. A general educational starting point often cited is around 1.2–1.6 g of protein per kg of body weight per day, though individual needs vary — your prescriber or a registered dietitian can give you a personalised target.
  • Total calories. Even with reduced appetite, understanding your rough daily intake helps you avoid eating too little over time. A calorie deficit guide can help you understand how the numbers fit together.
  • Macros — not just calories. Fat, carbohydrate, and fibre intake all affect energy and digestive comfort, which matters when gastrointestinal side effects are a factor.
  • Hydration alongside food. Water intake is easy to neglect when appetite is low; logging it alongside food gives a fuller picture.

What makes a calorie tracker app genuinely useful

The best free calorie tracker apps combine a large food database with fast logging methods and macro breakdowns — not just a calorie total. For GLP-1 users specifically, an app that also tracks side effects, weight trends, and dose history alongside food data is far more useful than a standalone food diary. You can read more about what to look for in a dedicated calorie tracker app and explore what separates the best calorie tracker apps from basic options.

1–2%

average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*

Tracking the right four numbers — weight, waist, protein and dose — turns a noisy chart into a clear story. That's the loop GLP-1 users keep coming back for.

AI Meal Tracking. Built for GLP 1 Appetites.

Point your camera at any meal and let our AI do the rest. Breakfast, doses, weight, mood all tracked in seconds.

Scanning meal with camera
Meal nutrition details

How GLP Trackr Works as a Free Calorie Tracker App

GLP Trackr's standout feature for food logging is its AI photo scan: point your camera at a meal and the app generates an instant nutrition breakdown — calories, protein, carbohydrates, fat, and fibre — without manual searching. This matters most on GLP-1 medication, when meals are often smaller, less structured, or eaten away from home.

Three ways to log food in GLP Trackr

  • AI photo scan — snap a photo and let the app estimate the nutrition automatically.
  • Barcode scan — instant lookup for packaged foods.
  • Search — manual search across a broad food database for home-cooked meals or ingredients.

Beyond food logging

Because GLP Trackr is built specifically for Mounjaro and Wegovy users, your food data sits alongside your weight log, daily check-in (mood, energy, sleep, food noise), and dose history in one place. The insights feature can surface patterns — for example, whether your protein intake on injection days correlates with how you feel — giving you something concrete to discuss with your prescriber or doctor.

You can also set daily targets for calories, protein, water, steps, and fibre, and track progress against them through the app's dashboard. If you are exploring free calorie tracking tools more broadly, GLP Trackr is designed to go further than a standard food diary by connecting nutrition data with your full GLP-1 journey.

GLP Trackr provides general information and tracking tools — it is not a substitute for personalised advice from your prescriber, doctor, or a registered dietitian. If you have specific questions about calorie or protein targets for your situation, always discuss them with your healthcare professional.

Ready to make food logging effortless? Download GLP Trackr on the App Store or Google Play and explore every feature free for 7 days — no calorie goes uncounted.

What does glptrackr include?

10+ powerful features. One app. Built specifically for Mounjaro and Wegovy users.

Everything your GLP-1 journey needs. Free to try for 7 days.

Morning Check-In
DAILY

Morning Check-In

Start every day with a 60-second wellness check-in. Log how you're feeling, track nausea, appetite, energy, and mood — giving you and your care team a complete picture of how your medication is working.

Injection Tracking
MEDICATION

Injection Tracking

Log every dose with a single tap. Track your dose history, phase in your cycle, estimated medication levels, and upcoming injection dates — with reminders so you never miss a scheduled shot.

Hydration Reminders
WELLNESS

Hydration Reminders

Staying hydrated is especially important on GLP-1 medications. Set daily water targets, log intake throughout the day, and receive smart nudges when you're falling behind your goal.

Smart Meal Planning
NUTRITION

Smart Meal Planning

Personalized meal plans built around your current dose phase and side effects. Every meal is GLP-1 optimized — high in protein, gentle on the stomach, and scaled to your reduced appetite.

Recipe Library
RECIPES

Recipe Library

Browse 50+ high-protein, GLP-1-friendly recipes filtered by meal type, prep time, and dietary needs. Every recipe includes full nutrition info, step-by-step instructions, and tips for eating with side effects.

Progress Analytics
ANALYTICS

Progress Analytics

Beautiful, easy-to-read charts show your weight loss trajectory, weekly nutrition trends, medication responses, and wellbeing scores over time — turning raw data into genuine insights.

AI Meal Scanning
AI

AI Meal Scanning

Snap a photo of any meal and get a full nutrition breakdown in seconds — calories, protein, carbs, fat, and fibre. No searching. No manual logging. Just point, snap, and track.

Exercise & Steps
FITNESS

Exercise & Steps

Log walks, workouts, and movement with activity targets that flex with your energy levels. On lower-energy dose days, gentler targets keep you moving without burning out.

Community Support
COMMUNITY

Community Support

Connect with thousands of others navigating the same medication journey. Share milestones, ask questions, find accountability partners, and get support from people who truly understand.

Never Forget a Dose Again.

Log your Mounjaro or Wegovy injection in seconds. Track your pen, your dose level, and your injection site — so you always know exactly where you are in your treatment.

Never Forget a Dose Again

Watch Your Body Transform, Week by Week.

Log your weight, measurements, and how you're feeling after each dose. GLPTrackr turns your data into clear, motivating charts that show you how far you've really come.

Watch Your Body Transform

You're Not on This Journey Alone.

Connect with thousands of real GLP-1 users sharing their wins, side effect tips, and meal ideas. Get the support of people who truly get it — because they're living it too.

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You're Not on This Journey Alone

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  • Track weight, meals, water, exercise, & sleep
  • Log doses, injection sites, & side effects
  • 60-second daily morning check-in
  • AI meal scanning & barcode scanning
  • Personalised AI meal plans & recipes
  • Golden Dose Finder AI
  • Medication Clock — real-time level tracking
  • Daily Brief and predictive side effects
  • Full insights & weekly transformation cards
  • Unlimited progress photos
  • Doctor PDF export & body measurements
  • Community Access—Connect with GLP-1 users

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Powered by GLPIQ 3.0

The Most Advanced GLP-1 Brain Ever Built.

The first AI built exclusively for GLP-1 weight loss. Every insight, every meal plan, every prediction trained on one thing only: helping you get the most out of your medication.

Knows Your Cycle

Knows Your Cycle

GLPIQ tracks where you are in your injection cycle and adjusts everything around it: lighter meals on nausea days, higher protein when appetite returns, and smarter targets as your medication level shifts.

Predicts Before You Feel It

Predicts Before You Feel It

GLPIQ learns your personal side effect patterns over time. After a few cycles, it starts warning you the morning before a rough day — and adjusts your meal plan automatically.

Finds Your Golden Dose

Finds Your Golden Dose

GLPIQ analyses every dose you've been on: weight loss rate, side effects, food noise, mood, protein adherence and tells you which dose gave you the best results. No other app does this.

Download glptrackr today.

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Frequently asked questions.

Yes. GLP Trackr is a free calorie tracker app built specifically for GLP-1 users. It lets you log food by AI photo scan, barcode, or search, and tracks calories and macros alongside your dose history, weight, and side effects. A 7-day free trial is available on iOS and Android.

Yes. GLP Trackr logs calories, protein, carbohydrates, fat, and fibre for each meal. You can set daily targets for protein and calories, and the app tracks your progress against them — useful when appetite changes make it hard to gauge intake intuitively.

Yes. GLP Trackr is available on the App Store for iPhone and on Google Play for Android devices. Both versions include the AI photo food scan, barcode logging, macro tracking, and the full range of GLP-1 journey features.

AI-based photo scanning gives a useful estimate for meal logging, particularly for mixed dishes or meals eaten away from home. Like any estimation method, results are approximate. For packaged foods, the barcode scan or manual search will give more precise figures.

No. A calorie tracker app like GLP Trackr is a tool for logging and awareness, not a source of personalised nutrition or medical advice. For individual calorie or protein targets, always speak with your prescriber, doctor, or a registered dietitian who knows your full situation.