Tested · GLP-1 Tracker Apps · 2026
Every weekly shot starts a 7-day loop of good days, rough days and food noise. We compared the most popular GLP-1 trackers on the thing that actually matters: does the app help you understand your week?
Advertising disclosure: we have a business relationship with Heptsy, our #1 pick, and earn money when readers sign up. How this page works.
If you're on Zepbound, Wegovy, Ozempic, Mounjaro or a compounded GLP-1, you've probably noticed the week has a rhythm: shot day, a day or two of side effects, a stretch of quiet appetite, then food noise creeping back before the next dose. Plenty of apps will log your shot. Far fewer help you see that rhythm so you can plan around it. We compared five of the most-used GLP-1 trackers, and one clearly stood out.
We used each app across full shot weeks and scored them on five things: how fast daily logging is, shot reminders and injection-site rotation, side-effect and symptom check-ins, protein and water goals, and how clearly the app turns your logs into something useful. We also looked at what real users say in public app-store reviews.
The criterion we weighted most heavily: does the app show you your whole 7-day shot week at a glance — where you are in the cycle, when your rough days usually land, and when food noise tends to return? A tracker you stop opening by week three doesn't help anyone, and a pile of logs you never look at doesn't either. The best GLP-1 tracker is the one that makes your week make sense in seconds.
Heptsy is built around a single idea: every weekly shot starts a 7-day loop, so the app shows your week as one circle — the Week Wheel™. Each slice is a day; logged rough days show up as dots, and over a few weeks Heptsy points out patterns like “food noise usually shows up on day 6.” That was the clearest answer to our most-weighted question of any app we tried. Daily logging is genuinely about two taps (a quick check-in for nausea, tiredness, low appetite or food noise, plus protein and water mini-goals), and streaks, XP and weekly “Week wrapped” recaps make it oddly satisfying to keep up. It also handles shot reminders, site rotation across belly, thighs and arms, optional weigh-ins, and an exportable log for your doctor. It supports weekly injections, compounded vials and daily GLP-1 pills.
Shotsy is one of the most popular GLP-1 apps on the App Store (rated about 4.8 from tens of thousands of reviews). It's excellent at the dose side of things: one-tap logging, schedules for weekly or daily meds, multiple medications at once, and estimated medication-level charts. It also tracks weight, side effects, calories, protein and water. It's thorough — but it shows your week as charts and history rather than one simple picture, so spotting your own rhythm takes more digging.
MeAgain aims to be the everything-app for GLP-1 users: shots and pills, injection sites, food, protein, fiber, water, side effects, progress photos and a community side. App Store users rate it around 4.8. If you want one place for food logging and dose tracking, it's a strong pick. The trade-off is effort — the more you track, the more taps each day, and it's less focused on showing you where you are in your shot week.
Glapp pitches itself as a community-driven GLP-1 app built by people on the medication. Its daily check-in covers side effects, cravings, mood, energy and sleep, and it shows a medication-level curve plus how your progress compares with clinical-trial data and peers. It's a thoughtful app for data-minded users, with a smaller (but well-rated) user base than the leaders.
MyFitnessPal isn't a GLP-1 app first — it's the giant of calorie and macro tracking, with a massive food database. It has added GLP-1 support for logging doses and reminders, which makes it a reasonable choice if detailed nutrition is your main focus. But side-effect tracking and anything resembling a shot-week view are minimal, so most GLP-1 users will want a dedicated tracker alongside it.
| App | Shot-week view | Daily effort | Reminders & sites | Symptom check-ins | Platform |
|---|---|---|---|---|---|
| Heptsy | Yes — Week Wheel™ | ~2 taps | Yes | Yes | Browser · iPhone & Android |
| Shotsy | Charts | Quick | Yes | Yes | iOS / Android |
| MeAgain | Partial | More taps | Yes | Yes | iOS / Android |
| Glapp | Med-level curve | Moderate | Yes | Yes | iOS / Android |
| MyFitnessPal | No | Food-focused | Basic | Limited | iOS / Android |
Based on our hands-on use and each app's public store listing as of November 2026. Features change — check each app before you choose.
A weekly GLP-1 is unusual among everyday medications: you take it once, and then it shapes the next seven days. Appetite, energy, digestion and food noise can all move with that weekly rhythm — and the rhythm shifts again every time your dose changes. That's a lot to keep in your head, and most people try to do it from memory.
Daily habits stick because they repeat daily. A weekly one doesn't get that repetition, so “did I take it on Sunday or was that last Sunday?” is one of the most common worries we hear. A reminder plus a one-tap log of the date, dose and time removes the guesswork.
The patient instructions for injectable GLP-1s tell you to rotate where you inject. Remembering whether last week was the left thigh or the right side of your belly is exactly the kind of detail a tracker should hold for you.
Many people notice that rough days cluster in the same part of their shot week. Without notes, those days feel random. With a few weeks of quick check-ins, you can spot your pattern and plan around it — and bring it up with your prescriber.
When you're simply not hungry, protein and water quietly slip. Clinicians commonly encourage GLP-1 patients to keep an eye on both. A simple daily goal is often enough to notice when you're falling short.
Dose decisions are made with your clinician. A short, accurate record of doses, symptoms and weight trends makes those conversations faster and more useful than “I think it was fine?”
Streaks, weekly recaps and a picture of your week sound small, but they're what keep people logging past the first month — which is when the useful patterns start to appear.
Almost every app on our list will log a shot. The difference is what happens after you log it. Here's where most trackers fall short in day-to-day use:
A long list of entries tells you what happened. It doesn't tell you what usually happens on day 2 of your shot week. You end up doing the analysis yourself — or not at all.
If a daily check-in takes two minutes and twelve fields, it won't survive week three. The best tracker is the one you keep using.
General nutrition apps are excellent at food databases, but the GLP-1 parts — shot day, sites, side-effect timing — are often an add-on.
Medication-level curves and multi-line graphs look impressive. But “when will my rough day be?” should take one glance, not a chart-reading session.
Without small wins — a streak, a weekly recap, a pattern found — logging feels like homework, and homework gets skipped.
That's the idea behind Heptsy's Week Wheel™: each slice is one day of your shot week, your check-ins appear as dots, and after a few weeks the pattern is right there — no spreadsheet needed. It's the main reason Heptsy ranks #1 here.
Please note: these are illustrative examples — composites of situations GLP-1 users commonly describe. The people and names are invented. They are not testimonials or endorsements, and they don't describe typical results.
Situation: Dana takes her shot on Sunday evenings and keeps track with a circle on a paper calendar. A weekend trip throws off her routine.
What went wrong: by Monday she genuinely can't remember whether she took it before leaving or meant to do it when she got home — and the calendar is at home on the fridge.
What a tracker changes: a shot-day reminder on her phone and a one-tap log with date, time and site. If she's ever unsure, her log — not her memory — has the answer, and her prescriber's instructions tell her what to do next.
Situation: Marcus has a couple of low-energy, queasy days most weeks. He assumes they're random and keeps cancelling plans at the last minute.
What went wrong: without notes, he never noticed that the rough days almost always landed in the same part of his shot week.
What a tracker changes: after a few weeks of two-tap check-ins, the pattern is visible at a glance. He can plan his week around it and raise it with his prescriber, instead of being caught off guard.
Situation: Priya's prescriber asks how the last dose step went before deciding on her next dose.
What went wrong: she remembers “a rough patch at some point” but not when, how long, or how often. The conversation runs on guesses.
What a tracker changes: an exportable log of doses, symptoms and weekly weigh-ins she can share in seconds — so the decision is based on what actually happened.
Situation: Jo's appetite is very low for a few days after each shot. Meals get skipped without much thought.
What went wrong: by the end of the week Jo feels drained and only then realises how little protein and water went in.
What a tracker changes: two simple daily goals — protein and water — that are easy to tick off, and a nudge on the days that usually slip.
The short answer: as early as you can. Patterns only appear once you have a few weeks of notes, so the best time to start is before you need them. These moments matter most:
You don't need to log everything. Here's the simple routine we recommend after testing all five apps:
Choose your medication type, shot day and reminders. In Heptsy this is a short quiz with Hepzy — no account needed to start.
One entry, about 30 seconds. Let the app suggest your next site.
How you feel (nausea, tiredness, low appetite, food noise) plus protein and water goals.
Optional weigh-in, then a quick glance at your wheel or recap. Which day was hardest? Did food noise return early?
Share your log with your prescriber and write down questions as they come up.
Trackers are useful tools, but it's important to be clear about what they don't do — including Heptsy and every other app on this page:
A tracker records what you log and shows patterns. It doesn't diagnose, treat or replace your doctor, nurse or pharmacist.
These apps are wellness and record-keeping tools. Any “estimated medication level” is an approximation for education, not a lab result.
No app on this page prescribes, sells, ships, compounds or sources any medication — and this page doesn't link to anywhere that does.
A tracker will never tell you to change, skip, split, delay or stretch a dose. Follow the instructions from your prescriber and the medication's label.
Tracking doesn't cause weight loss, and no result is guaranteed. Everyone's response to treatment is different.
Zepbound® and Mounjaro® are trademarks of Eli Lilly and Company. Wegovy® and Ozempic® are trademarks of Novo Nordisk A/S. Neither company is affiliated with, sponsors or endorses these apps or this page.
If you have severe or worrying symptoms, contact your healthcare provider right away or call your local emergency number.
Most consumer health apps aren't covered by HIPAA (the FTC's Health Breach Notification Rule may apply instead). Read each app's privacy policy before you share health data.
In our testing, Heptsy is the best GLP-1 tracker app for most people, because its Week Wheel™ shows your whole 7-day shot week at a glance and highlights your personal patterns with about two taps a day. Shotsy is a strong alternative if you want detailed dose charts.
The setup quiz is free and needs no account. Heptsy's plans are paid subscriptions; the “50% off” button applies Heptsy's introductory offer. Plans renew automatically at the regular price unless you cancel — check the price, renewal terms and refund policy on Heptsy's checkout page before you subscribe.
Yes. Heptsy runs in your phone's browser, so there's nothing to download, and you can add it to your home screen so it opens like an app.
Weekly injections such as Zepbound®, Mounjaro®, Wegovy® and Ozempic®, compounded GLP-1 vials, and daily GLP-1 pills. It tracks what you take — it doesn't supply or recommend any medication.
No. Only your prescriber can make dosing decisions. A tracker helps by giving them an accurate record of how your weeks have gone.
Reminders and site rotation help from day one. Patterns in side effects or food noise usually need about three weeks of check-ins to show up clearly.
Most people on a GLP-1 do fine with simple protein and water goals. A full calorie counter is optional — follow your clinician's advice.
All five of these apps will log your shot. Shotsy is great for dose and medication-level detail, MeAgain for all-in-one food tracking, Glapp for research-style comparisons, and MyFitnessPal for calorie counting. But if you want to actually understand your shot week — when your rough days land, when food noise comes back, and whether you're hitting protein — with almost no effort each day, Heptsy is our pick for the best GLP-1 tracker app. Start with its free 60-second Shot Week quiz.