The best GLP-1 apps for tracking protein, compared
I build Tilly, one of the five apps on this page, so read it knowing that. Everything I say about the other four comes from their own websites and store listings, linked under each one. Each of them is good at something, and the right one for you depends on how you like to log a meal and how much you want the app to know about your shots.
The short answer
A meal in one sentence, and no streaksTillyType “two eggs and toast” and the protein is counted, next to your shot day and side effects.
Protein first, in a full food trackerMyNetDiaryFree food logging with a barcode scanner and voice, and a dashboard that puts protein first.
Shots firstShotsyA free shot and side-effect log, a body map for injection sites, and a PDF for your doctor.
Photos, voice and a companionMeAgainMeals by photo or voice, a capybara called Capy to chat with, and streaks.
A lot on the free plan, pills includedPepShots and pills, meals, side effects, a level chart and progress photos, mostly free.Side by side
| App | Log a meal by | Shots | Free plan | Phones |
|---|---|---|---|---|
| Tilly | Typing a sentence, barcode; photo and voice a few times a week on Free | Log, site, reminders, medication curve | Typed meals, barcode, protein ring, Trends, doctor report | iPhone, Android |
| MyNetDiary | Searching 2M+ foods, barcode, voice; photo on Premium | Name, dose, schedule, sites, reminders | Food diary, barcode, voice, protein and 108 nutrients | iPhone, Android, web, Apple Watch, Wear OS |
| Shotsy | Daily totals of calories, protein and water | One-tap log, site map, reminders; level chart on Shotsy+ | Shots, side effects, weight, PDF export | iPhone, Android |
| MeAgain | Barcode, search, quick entry, voice; photo on Premium | Shots and pills, sites, reminders, level curve | Shots, side effects, barcode and search, protein goals, some chat | iPhone, Android |
| Pep | Barcode, search; photo on Pro | Shots and pills, sites, reminders, level chart | Shots, side effects, level indicator, barcode, progress photos | iPhone, Android |
Tilly
Best for logging a meal the way you’d say it, in a calm journal with no streaks.
Tilly is built around the meal you can describe faster than you can search for it. Type “Greek yogurt with berries” or “half a chicken wrap” and it is logged with its protein, filling a daily ring toward the target you set. A barcode reads the label, and a photo or a sentence said out loud works too. Shot day, the injection site, side effects and how the day felt sit in the same journal, and Trends draws your medication’s curve from its published label, so a pattern such as a queasy Tuesday after a Sunday shot shows up on its own. It also makes a report to bring to your doctor. Nothing is red and there are no streaks: a slow week is just a slow week.
Free: typed meals, the barcode scanner, the protein ring, Trends, the doctor report and Apple Health. Three meals by photo, three questions to Tilly and five meals by voice a week. Premium: $59.99 a year with 7 days free, or $9.99 a month, for hundreds of those a month.
Where it falls short: it is new in 2026, so it has far fewer ratings than the others. Protein on a typed meal is an estimate, where a barcode reads the label. On Android it doesn’t read Health Connect yet, and there is no web or watch app.
MyNetDiary
Best for getting the food right, with a detailed database.
MyNetDiary is a full nutrition tracker first: a staff-verified database of more than two million foods, a barcode scanner and voice logging, all free, with 108 nutrients tracked. Its GLP-1 Companion adds a protein-first plan, with protein leading the dashboard, and keeps your medication’s name, dose, schedule, injection sites and reminders, including oral pills such as Rybelsus. Its GLP-1 guidance is reviewed by named dietitians, and you can share your diary with a dietitian or doctor.
Premium: $8.99 a month or $59.99 a year in the app stores, with a 7-day trial on iPhone, and photo logging (Meal Scan). A Premium Plus tier adds an AI coach.
Sources: GLP-1 app page · FAQ · App Store · Google Play
Shotsy
Best for a detailed, free shot and side-effect log, with food kept loosely or elsewhere.
Shotsy is the one to pick if the shots are what you want to track most closely. Logging a dose is one tap, reminders count down to the next one, and a body map rotates your injection sites and suggests the next spot. It handles several medications on their own schedules, and pills on iPhone. Side effects are logged with severity and notes, and a PDF export gathers it for your doctor. Food is kept as daily totals of calories, protein and water: by its own description, there is no photo or barcode meal scanner.
Shotsy+ adds the estimated medication level chart and Apple Health and Health Connect sync; the core log is free with no time limit.
Sources: shotsyapp.com · Free tracker page · App Store · Google Play
MeAgain
Best for quick photo logging and a friendly, game-like nudge every day.
MeAgain pairs a full GLP-1 tracker with a companion: Capy, a capybara you can chat with. Meals go in by barcode, search, quick entry or voice, and by photo on Premium, against protein, fiber and water goals tuned for GLP-1 users, with in-app food guidance built by a registered dietitian. It logs shots and pills, injection sites and reminders, draws an estimated medication level curve, and tracks 18 side effects plus your own on a 0 to 10 scale. Streaks keep you coming back. By its own description it doesn’t offer a medical report or PDF export.
Premium is a subscription that adds photo logging, the capybara widget and unlimited chat.
Sources: meagain.com · Free tracker page · App Store · Google Play
Pep
Best for shots, pills, meals and progress photos in one app, mostly free.
Pep, the GLP-1 tracker by Shred Apps (not a peptide app with a similar name), puts a lot on its free plan: shot and pill logging, injection site rotation, dose steps, reminders with a missed-dose guide, side effects shown against your doses on a calendar, an estimated medication level chart, weight, measurements and encrypted progress photos. Food is logged by barcode or by searching the fatsecret database, and by photo on Pro, against protein, fiber, calorie and water goals. By its own description it has no PDF export and no AI chat.
Pep Pro is about $40 a year by its own site, with monthly plans too, and adds photo scanning and sync across devices.
Sources: Pep facts page · App Store · Google Play
How to choose
- How you like to log a meal. Searching a database: MyNetDiary. A photo: MeAgain or Pep, on their paid plans. A sentence: Tilly. Just the day’s totals: Shotsy.
- How much about your shots. All five log a dose. Shotsy, MeAgain, Pep and Tilly also draw an estimated medication level, Shotsy on its paid plan.
- Something for your doctor. Shotsy exports a PDF, Tilly makes a doctor report, and MyNetDiary shares your diary with a professional.
- Nudges or quiet. MeAgain keeps you going with streaks and a mascot. Tilly has no streaks and nothing in red.
- Try before you pay. Every one of them has a free plan, so a week on the free one tells you more than any comparison, this one included.
Tilly is free to start. Type your first meal in one sentence and see its protein.
Questions
Which GLP-1 app is free?
All five on this page have a free plan. What it covers differs: MyNetDiary keeps its food diary, barcode scanner and protein tracking free; Shotsy its shot, side-effect and weight log; MeAgain and Pep most of their shot and food tools; Tilly typed meals, the barcode scanner, the protein ring, Trends and the doctor report.
Do I need a GLP-1 app to track protein?
No. Any food tracker that shows protein will count it. What a GLP-1 app adds is the rest of the week next to your meals: shot day, side effects and how you felt, so a pattern such as eating less the two days after a shot shows up on its own.
How much protein should I aim for?
Your prescriber or dietitian sets your number. Guidance for people on GLP-1 medications commonly lands between 80 and 120 grams a day, and the Learn page on protein walks through where that comes from. Read it here.
If something on this page is out of date, for any of the five apps, write to hello@tilly.day and I’ll fix it.