Best Food Tracker for GLP-1 Users: 7 Apps Compared

What makes a food tracker work on GLP-1 medication?

A GLP-1 food tracker has one job the general trackers were never designed for: keeping nutrition quality high while your appetite is chemically smaller. The medication does the intake work. In the Blundell crossover trial (Diabetes, Obesity and Metabolism, 2017; 30 people with obesity), twelve weeks of once-weekly semaglutide cut total ad libitum energy intake by about 24 percent versus placebo, with no instructed restriction, and roughly 35 percent at a single lunch. You do not need an app to push you to eat less. You need one that stops the smaller amount of food from becoming too little protein, or too much sugar.

That inverts the traditional tracker design. Calorie counts, streaks, and red-number warnings are motivation tools for people who overeat. On Ozempic or Wegovy the failure mode is the opposite: under-eating protein, losing lean mass, and drifting toward the easy refined snacks that carry a high estimated blood sugar and insulin impact. We argue a GLP-1 food tracker should be judged on five criteria, and we declare them before comparing anything:

• Protein visibility. Can you see protein per meal at a glance, without opening three screens?
• Logging effort. A 6-bite lunch is not worth 3 minutes of typing. Photo-first wins.
• Blood-sugar awareness. Does the app understand that a lentil snack and a candy bar that log the same number on paper are not the same food?
• What it tracks first. The primary number shapes everything else the app shows you.
• Whether counting is required. On GLP-1, a mandatory calorie count can be busywork when the medication has already reduced appetite.

The seven trackers, compared on the same criteria

Every app below is judged on the five criteria above, in the same order, including ours. Where a feature claim comes from a named 2026 roundup rather than the app's own site, we say so.

Competitor details checked October 6, 2026, against each vendor's own site or US App Store listing, plus the named roundups below. Plans, features and prices change often.

RealFoods: the insulin-first pick

RealFoods scores every meal you scan or photograph on the 1 to 10 Weight Impact (WI) Score, a modelled estimate of its insulin impact, and shows your day as a timeline of estimated metabolic states. Barcode, product search and manual meals are free, AI photo and text scoring is Premium, and Premium costs $9.99 a month or $59.99 a year after a 7-day free trial, as of October 2026. On GLP-1 this does two things the calorie-first apps cannot: it makes protein-and-fibre choices visible per meal, which is the muscle-preservation game, and it flags the refined snacks with a high estimated insulin impact even when the medication has shrunk your portions. Honest weaknesses: it is iOS only, its food database is far smaller than MyFitnessPal's, and it does not log doses or injection sites. If you want a number to keep under, the app suggests a daily WI average below 5 rather than a calorie ceiling.

Cronometer: the micronutrient pick

Cronometer's depth is vitamins and minerals: its site describes lab-analysed nutrition data and tracking of up to 95 nutrients, which matters when food volume drops and every bite has to cover more. Its weakness is the same effort problem in reverse. Logging leans on database entry even with its photo and voice options, the frame is still calories-and-macros first, and nothing in it understands insulin impact. Best as a second app for the nutrient-curious, or the primary for systematic people who enjoy weighing food.

MyNetDiary: the one-log pick

Everyday Health's July 2026 GLP-1 roundup highlights MyNetDiary for adding GLP-1-specific tracking of doses, injections, and side effects inside a long-standing calorie tracker, and for tracking up to 108 nutrients. MyNetDiary's own site adds dose reminders, AI photo logging and a free tier. That combination is genuinely useful if you want one app for everything. The trade-off is that food analysis remains calorie-centric, and Everyday Health notes that some users find its GLP-1 features less refined than dedicated companions such as Shotsy or MeAgain. A reasonable middle path, not a category leader on insulin awareness.

MyFitnessPal: the incumbent

One of the largest food databases in the business, with barcode scan, Meal Scan and Voice Log on its Premium plan, and an App Store listing that now describes GLP-1 medication tracking and an AI Coach. Our view: choose it if you already have years of history there, otherwise look at the options above. Its default frame is still counting calories each day, the mechanic many GLP-1 users find redundant once the medication has reduced appetite. Switching costs, not features, are its real product.

MacroFactor, Noom, Lose It!: the specialist cases

MacroFactor is the precision tool: its site describes coached adaptive macro targets and logging by manual entry, barcode, AI photo or voice, built for people who want exact numbers, which is a heavy frame for a suppressed appetite. Noom pairs lessons and coaching with a calorie-first plan, and offers GLP-1 programmes of its own, so it makes sense mainly if you want that medication-plus-coaching package. Lose It! is the budget option that does the basics for less, with an AI-assisted camera and a free basic version, in the same calorie-first frame as the rest. None of the three thinks in terms of blood sugar or insulin.

Do you also need a dose tracker?

Probably, if injections are part of your routine. A whole category of GLP-1 companion apps, Shotsy, MeAgain, and peers, handles what food trackers do not: dose and injection logs, reminders, side-effect journals tied to dose timing. A 2026 Gila comparison credits Shotsy with nearly a million downloads and a free tier that covers the basics, and Everyday Health lists both Shotsy and MeAgain among its picks. We will say it plainly: RealFoods does not do this, and an app that claimed to would be doing it badly. The practical setup most people land on is a dose companion plus a food tracker, each doing its own job. If you also use a fasting timer, see our best fasting app while on GLP-1 medication comparison of eight apps, and ask your prescriber before you change when you eat.

Who should not pick RealFoods: if injection logging is your primary need, get a Shotsy-class companion first. If micronutrient dashboards are your obsession, Cronometer will satisfy it better. And if you have five years of meals in MyFitnessPal, the switching cost is real, stay put and just keep protein visible. We would rather you pick the right tool than pick us twice.

Why protein is the number that matters on GLP-1

Muscle loss is a documented side effect of rapid GLP-1 weight loss. The SEMALEAN study (Alissou et al., Diabetes, Obesity and Metabolism, 2026), which followed 106 patients with obesity treated with semaglutide, found a mean lean mass decline of approximately 3 kg at seven months, concentrated in the early months of treatment, though lean mass stabilised thereafter and handgrip strength improved by 4.5 kg by twelve months. One practical defense is protein, and the 2025 joint advisory (Mozaffarian et al.) notes that targets of 1.2 to 1.6 grams per kilogram of body weight per day, or an absolute 80 to 120 grams a day, have been proposed during active weight reduction, with no consensus yet on the best approach. Ask your prescriber or a registered dietitian what suits you. When portions are small, every bite has to earn its place.

These are the protein anchors that do that work with the least insulin impact, scored the same way RealFoods scores them in the app:

Notice the last row. The sweetened protein bar is the aisle's trap, protein added as a marketing signal while syrups push the estimated insulin impact up. For the full food list with 45 items scored, see what to eat on Ozempic and GLP-1.

Do you have to count calories on Ozempic?

Not necessarily. The Blundell trial (30 people with obesity) measured it directly: semaglutide cut spontaneous intake by about a quarter with nobody counting anything, and resting metabolic rate, adjusted for lean body mass, did not differ between treatments, which points to reduced intake rather than a change in metabolism as the main route. This is why many prescribers focus on food composition rather than numbers, and why a mandatory calorie count inside a tracker can be busywork on this medication. Calories are still real, they are simply not the most useful number here. The numbers worth watching are protein and estimated insulin impact.

Two situations make occasional awareness useful: if weight loss is faster than expected and energy is flat, a food log confirms you are not accidentally under-eating, and if progress stalls for a few weeks, a log reveals liquid sugar or portion creep that appetite suppression was hiding. Both are pattern-checks, not budgets. The same logic applies off-medication, as we cover in weight loss without calorie counting.

Ready to stop guessing what to eat?

How to choose in five minutes

• Want food clarity, protein visibility, and zero counting? That is the insulin-first job. Start RealFoods' 7-day free trial.
• Worried about micronutrients on a small appetite? Add or choose Cronometer, and ask your prescriber or a registered dietitian which nutrients to check.
• Need dose logs and reminders? Add a Shotsy-class companion. No food tracker replaces it.
• Already deep in another app's history? Stay, and just hold the protein line every meal.

Common questions

Do you have to count calories while on Ozempic?

Not necessarily, and follow your prescriber or dietitian if they ask you to track. The medication reduces spontaneous intake on its own: in a crossover trial of 30 people with obesity (Blundell et al., Diabetes, Obesity and Metabolism 2017), twelve weeks of once-weekly semaglutide cut total ad-libitum energy intake by about 24 percent versus placebo without any instructed restriction. Many prescribers and dietitians focus on food quality more than numbers, and a useful number to watch is protein, because adequate protein helps protect muscle while the medication shrinks your appetite.

What is the best free GLP-1 tracking app?

It depends what you are tracking. For doses, injection sites, and side effects, a 2026 Gila comparison credits Shotsy with nearly a million downloads and a free tier that covers the basics. For food, protein, and blood-sugar impact, RealFoods has a free tier (barcode, product search and manual meals, each with its full score and drivers) and a Premium plan with AI photo and text scoring, at $9.99 a month or $59.99 a year after a 7-day free trial, as of October 2026. Many people on GLP-1 run one of each, a dose companion and a food tracker, because no single app does both well.

Do I need a separate app for injection logging?

If you want injection-site rotation maps, dose schedules, and dose reminders, yes, that is a dedicated companion app's job, and RealFoods deliberately does not try to do it. Apps in the Shotsy and MeAgain class handle medication logging. Pair one with your food tracker rather than expecting either to replace the other.

How much protein do I need on GLP-1?

There is no single agreed protein target on GLP-1: a 2025 joint advisory from four US nutrition and obesity societies notes that 1.2 to 1.6 grams of protein per kilogram of body weight per day, or an absolute 80 to 120 grams a day, has been proposed during active weight reduction, and that there is still no consensus on the best approach. Ask your prescriber or a registered dietitian what suits you. The SEMALEAN study (Alissou et al., Diabetes, Obesity and Metabolism 2026; 106 patients with obesity treated with semaglutide) found a mean lean mass decline of roughly 3 kg at seven months, and the decline came early in treatment, so anchoring every meal with a protein source that has a low estimated insulin impact is one practical approach.

Is MyFitnessPal good for GLP-1 users?

It works, with a caveat: MyFitnessPal is built around calorie counting, a frame many GLP-1 users find they no longer need, and its large database is its real strength. Its App Store listing now also describes GLP-1 medication tracking and an AI Coach. If you already have years of meals and recipes logged there, staying can make sense. If you are starting fresh, a tracker designed around insulin impact and protein may fit the medication better.

What vitamins and minerals should I watch on GLP-1?

A 2025 joint advisory from four US nutrition and obesity societies lists nutritional deficiencies from reduced calorie intake among the challenges of GLP-1 therapy. A tracker with micronutrient depth such as Cronometer, whose site cites up to 95 tracked nutrients, makes your vitamin and mineral intake visible, and your prescriber or a registered dietitian can say which nutrients to check in routine bloodwork. Eating nutrient-dense real food covers much of this before any supplement enters the picture.

Keep reading: real food and weight loss, how to lower insulin naturally, or how to break a weight loss plateau.

MyFitnessPal, Cronometer, MyNetDiary, MacroFactor, Noom, Lose It!, Shotsy, MeAgain are trademarks of their respective owners. This comparison reflects publicly available information at the time of writing and is provided for informational purposes only. RealFoods is not affiliated with, endorsed by, or sponsored by any of the products mentioned. Feature sets and pricing change, verify current details on each product’s official website before making a purchasing decision.