Best Apps for Calorie Counting on Mounjaro or Wegovy

Most general calorie counters were built for people eating three full meals a day with predictable hunger. On Mounjaro or Wegovy, that assumption rarely holds. You may eat significantly less, need to prioritise protein to protect muscle, and want to track days when nausea makes food unappealing — not just days when everything goes to plan.

Speed and simplicity matter most

The single biggest barrier to consistent food logging on a GLP-1 is friction. When appetite is low, typing out every ingredient of a small meal feels disproportionate. Apps that offer a barcode scan or, better, an AI photo scan — point the camera at your plate and get an instant breakdown — remove that barrier almost entirely. The faster the logging, the more likely it is to happen every day.

Protein tracking should be front and centre

Many people on GLP-1 medicines find that total calories drop sharply, which makes hitting protein targets harder. A good calorie counting app makes it easy to see not just calories but grams of protein per meal and per day. If the app lets you set a daily protein goal alongside a calorie target, that is a meaningful advantage for this specific journey. For more on how to think about calorie counting as part of your GLP-1 routine, that page covers the broader principles in detail.

Free vs paid apps: what you actually get

There are several well-known free apps for calorie counting, and most cover the basics — a food database, a daily calorie total, and some macro breakdown. Free tiers typically limit features like detailed macro targets, meal planning, or deeper analytics. For many people on a GLP-1 journey, a free app is a perfectly reasonable starting point. The question is whether the free version tracks what actually matters to you: protein goals, injection-day patterns, side effects alongside food, and progress over time. For a broader look at apps built for calorie counting, including what different options offer, that comparison is worth reading alongside this page.

GLP-1-specific features general apps lack

Generic calorie counters do not know that you had a nausea episode on injection day, that your appetite was unusually low mid-week, or that your weight stalled despite consistent logging. Connecting food data to dose schedules, side effects, and progress in one place is something most mainstream apps simply were not built to do. If you want to understand what makes a good app for calorie counting on a GLP-1 specifically, the features that matter differ from a standard diet tracker.

GLP Trackr was built specifically for people on Mounjaro and Wegovy, and food logging sits at the centre of it. The AI photo scan is the feature most users find transformative: photograph your meal and the app returns calories, protein, and macros instantly — no typing, no searching a database for the right entry. For small or irregular meals, which are common on a GLP-1, that speed makes the difference between logging consistently and not logging at all.

Alongside photo scanning, the barcode scan and manual search cover packaged foods and anything the camera cannot identify confidently. You can set daily targets for calories, protein, fibre, and water, and the morning check-in logs weight, mood, energy, and food-noise in under a minute — giving your food data context that a standalone calorie counter never could.

The app also includes GLP-1-friendly meal plans and a recipe library built around protein-first, gentle-on-the-stomach options, with easy ingredient swaps for days when certain foods feel unappealing. Combined with a calorie deficit overview that explains how energy balance works on a GLP-1 journey, GLP Trackr connects your food log to the bigger picture of your progress.

If you are already prescribed Mounjaro or Wegovy and want calorie counting that actually fits your routine, GLP Trackr is free to try — download it on the App Store or Google Play and explore it free for 7 days.