A Free Way to Count Calories on Your GLP-1 Journey

Many people prescribed Mounjaro or Wegovy notice their appetite shifts significantly — less hunger, reduced interest in food, and smaller portions feeling satisfying. That change is generally welcome, but it also makes it easier to under-eat on protein and key nutrients without realising it. Keeping a rough calorie log helps you stay aware of what you are actually consuming, not just what you think you are.

Protein and calorie awareness go hand in hand

General nutritional guidance suggests that people eating in a calorie deficit benefit from prioritising protein — it supports muscle retention and keeps you feeling fuller for longer. Tracking calories alongside protein, rather than calories alone, gives a more complete view of how well each day is working. Our guide to eating in a calorie deficit on a GLP-1 medicine covers this balance in more depth.

Consistency beats perfection

The value of a calorie-counting app is not achieving a precise number every day — it is building consistency and catching patterns. Logging most meals, even roughly, over several weeks reveals far more than any single day's data. If you are exploring your options, it is worth comparing what different apps actually track: our overview of the best calorie-counting apps for GLP-1 users and a look at how a dedicated calories app can support your journey are useful starting points.

Free does not mean basic

A good free calorie tracker should cover the essentials: a large food database, barcode scanning, macro breakdowns (calories, protein, carbohydrates, fat), and ideally a way to log meals quickly without spending five minutes searching. For people on GLP-1 medicines who may be eating smaller amounts but need to eat with more intention, speed and simplicity in the logging experience matters.

GLP Trackr's food logging is built specifically for people already on Mounjaro or Wegovy — and the fastest way to use it is the AI photo scan. Point your phone camera at a meal and the app provides an instant calorie and macro breakdown, including protein, without manual searching. For packaged foods, the barcode scanner fills in the details in seconds.

Set targets that reflect your GLP-1 goals

Inside the app you can set daily targets for calories, protein, water, and fibre — the numbers that tend to matter most when appetite is reduced and you want each meal to count. The morning check-in takes around 30 seconds and pulls your weight, energy, and food-noise data together alongside your nutrition log, so you can see how eating patterns relate to how you feel across the week.

One place for your whole journey

Because GLP Trackr also tracks your doses, weight, and side effects in the same place, your calorie data does not sit in isolation — it sits alongside the rest of your progress. That combined view is what turns scattered numbers into genuine insight. You can also explore free calorie-counting options to understand what features to look for before you decide.

GLP Trackr is free to download and includes a 7-day trial — available on the App Store and on Google Play. Give the photo-scan food log a try and see how straightforward calorie tracking can be when the app is built around the way you actually eat on a GLP-1 medicine.

GLP Trackr provides general nutritional information and tracking support — it is not a substitute for personalised advice from your prescriber or a registered dietitian. If you have questions about calorie targets or nutrition during your treatment, your healthcare professional is the right person to ask.