The best peptide and GLP-1 tracker apps for iPhone, compared

PepVault tracks the whole protocol, not just the shot. It logs doses and titrations on daily, weekly, cycled or custom schedules, keeps a vial inventory that counts doses and watches expiry, and its reconstitution calculator is free on the web. Bloodwork, weight, training, food and recovery live in the same app, and PepTalk, its AI coach, reads all of it before it answers.

• Bloodwork tracking: every marker over time, read in the context of your protocol
• PepTalk, an AI coach that answers with your protocol, labs, training, food and recovery in context
• Vial inventory with dose counts, expiry and run-out dates; the reconstitution calculator is free on the web
• Estimated concentration curves, Apple Health, Whoop and Oura sync, and a PDF report for your clinician
• Free web calculators, a 50+ compound reference library and an in-browser demo at pepvault.app

Worth knowing: iPhone only for now, and a young app with 8 US ratings so far.

Price: $69.99 a year or $14.99 a month, with 7 days free on the yearly plan for new subscribers.

Best for: Multi-compound or GLP-1 users who also track bloodwork, weight, training or food

Sources: App Store · pepvault.app

MeAgain is a GLP-1 medication tracker for shots and pills, with 38,214 US ratings averaging 4.8, more than any other app here. Its free version doesn't expire and covers shot logging with reminders, an estimated medication-level graph, side effects rated 0–10, and food logging by photo, barcode, voice or search.

• Dose timing, injection sites and reminders for weekly shots or daily pills
• Food logging by photo, barcode, voice or search in the free version, with a daily protein target
• A side-effect journal: 29 built-in symptoms plus your own, rated 0–10, beside food, weight and doses
• Capy, an AI companion for everyday GLP-1 questions (a free allowance, unlimited with Premium)
• Progress photos, Journey Cards and a home-screen widget with Premium, and apps for iPhone and Android

Worth knowing: Built for GLP-1 medications: its App Store listing and website don't mention tracking other peptides such as BPC-157.

Price: A free version with no time limit. Premium adds Journey Cards, progress photos, the widget and unlimited Capy chat; the App Store lists Premium purchases from $14.99 to $119.99.

Best for: GLP-1 users who want food, protein and side effects tracked around their shots or pills

Sources: App Store · meagain.com · Google Play

Shotsy is a GLP-1 medication tracker for weekly injections and daily pills, with 33,742 US ratings averaging 4.8. Its core features are free (dose and side-effect tracking, weight charts and nutrition logging), with premium tools on top.

• Estimated medication levels for semaglutide, tirzepatide, liraglutide and dulaglutide
• Side-effect logs linked to doses, injection sites, nutrition and hydration
• Dose planning for titration, reminders, and several medications on separate schedules
• Weight, calories, protein and water, with Apple Health import
• PDF and CSV export to share with your doctor, and apps for iPhone and Android

Worth knowing: Built for GLP-1 medications: its App Store listing and website don't mention tracking other peptides such as BPC-157.

Price: Free to download and use; core tracking is free. Premium tools are listed on the App Store at $9.99–$14.99 a month or $39.99–$59.99 a year.

Best for: GLP-1 users who want the core tracking free

Sources: App Store · shotsyapp.com · Google Play

PeptidePal has the most US App Store ratings of the peptide trackers here, with 4,824 ratings averaging 4.7. It builds protocols in mcg, mg, IU or mL on daily, alternate-day, 5-on/2-off or custom schedules, logs doses on a calendar with streaks, and shows reconstitution math on a syringe diagram.

• Vial inventory that projects each vial's run-out date and warns you about a week ahead
• Injection-site body map with recently used sites heat-mapped
• Weight and body-composition charts, progress photos with compare and time-lapse, and an estimated on-board level curve
• An AI advisor for educational questions and a moderated community forum
• A food tracker and food library, and apps for iPhone and Android

Worth knowing: Its App Store listing says protocol tracking, the full library, analytics and AI chat need a subscription.

Price: Free to download; tracking needs a subscription. In-app purchases listed on the App Store: $8.99–$9.99 a month, $29.99–$59.99 a year.

Best for: Anyone who wants the peptide tracker with the most US ratings, plus a community forum, on iPhone or Android

Sources: App Store · peptidepal.health · Google Play

Pep AI tracks peptide and GLP-1 shots alongside food, side effects and wellness, with 3,954 US ratings averaging 4.7. It logs doses and injection sites on a body map, keeps a vial inventory with photos, and gives each medication its own schedule and reminder times.

• Photo meal scanning for estimated macros, plus protein, water and fiber tracking
• Side-effect logging (nausea, fatigue, appetite changes) connected to your dose history
• Sleep, mood and energy logs, weight trends and progress photos
• Estimated compound levels and PDF reports to review with your healthcare provider
• Arlo, a companion that answers general educational questions, and apps for iPhone and Android
• Home Screen widgets, Live Activities and an Apple Watch app (added in 4.0, September 2026)
• Community groups and polls

Worth knowing: Its App Store listing says a paid subscription is required for the tracking features.

Price: Free to download; tracking needs a subscription. In-app purchases listed on the App Store: $9.99 a month, $19.99–$59.99 a year.

Best for: GLP-1 users who want shots, food and side effects in one app

Sources: App Store · pepaiapp.com · Google Play

Peptide Tracker Log & Reminder, from Flat Six Labs, is free with no subscription, and has 2,643 US ratings averaging 4.9. It builds stacks with custom doses, schedules and titration, logs taken, skipped and missed doses, and tracks mixed and unmixed vials alongside bacteriostatic water.

• Calculators for reconstitution, syringe units, premixed blends and half-life, plus a free web calculator
• Estimated plasma-level curves from your logged doses
• A community where people share experience with the compounds they track
• Weight trend and progress photos with alignment tools
• Apps for iPhone and Android, plus the web

Worth knowing: An optional annual Founding Member membership supports its development.

Price: Free. The App Store also lists optional Founding Member purchases from $20 to $80 and a $5 tip.

Best for: Anyone who wants full-featured tracking at no cost

Sources: App Store · peptidetracker.ai · Google Play

Glapp is a GLP-1 medication tracker for semaglutide and tirzepatide, with 1,003 US ratings averaging 4.7. It logs each shot's dose, timing and site, follows your weight at every dose, and keeps a supply of vials and pens, with each one's strength, volume and beyond-use date, that every logged dose is taken from.

• Supply tracking for vials and pens: strength, volume and beyond-use dates, with every logged dose deducted
• A daily check-in for side effects, cravings, mood, energy and sleep, plus food noise and hunger at each dose
• An estimated medication-level curve, and your progress set against clinical trial data and other users
• Wisdom, which searches clinical trials and published research to answer GLP-1 questions
• Apps for iPhone and Android, plus the web, in six languages

Worth knowing: Built for GLP-1 medications: its App Store listing names semaglutide and tirzepatide and doesn't mention other peptides such as BPC-157.

Price: Free to download, and the core tracking is free, per its website. Glapp Max adds advanced reports, milestones and predictions; the App Store lists it at $4.99 a week, $9.99 a month and $39.99 a year.

Best for: GLP-1 users who want shots, side effects and supply tracked free, on iPhone, Android or the web

Sources: App Store · glapp.io · Google Play

PeptIQ is a peptide tracker with 946 US ratings averaging 4.7. It logs doses and injection sites on a body map, runs daily, weekly, cycling or custom schedules with reminders, and tracks vials and pens on hand with low-stock and expiration alerts.

• Bloodwork: upload lab results, or import panels from portals such as Quest and LabCorp, tied to your cycles, per its website
• An AI companion that answers about your own log, and a moderated community forum
• Half-life charts from your log, amounts saved exactly as written on your label, and progress photos to compare
• Sleep, HRV, steps and weight from Apple Health, Oura, WHOOP (beta) or Health Connect
• Apps for iPhone and Android, plus web access

Worth knowing: No free plan: full app access requires PeptIQ Premium, per its pricing page.

Price: Premium only. In-app purchases listed on the App Store: $9.99 a week, $19.99–$24.99 a month, $49.99–$129.99 a year. Its website also sells the annual plan at $109.99.

Best for: Peptide users who want labs, wearables and a community in one subscription

Sources: App Store · peptiq.io · Google Play

Regimen tracks peptides, GLP-1 medications, TRT and HRT, and has 523 US ratings averaging 4.8. It's free for one compound, including dose logging, reminders, calculators, injection-site rotation, side effects, progress photos and lab work; Premium adds more compounds and starts with a 14-day free trial.

• Bloodwork: log every lab pull and watch the markers move with your protocol
• Estimated blood-level curves for 150+ compounds from your own doses
• Reconstitution, reverse, oil-based mL and nasal-spray calculators
• Apple Health and Health Connect data overlaid on your doses, plus 50+ daily markers such as side effects, sleep and energy
• A PDF report for your healthcare provider, CSV import and export, and apps for iPhone and Android

Price: Free for one compound. Premium, for more than one compound, starts with a 14-day free trial; the App Store lists it at $49.99 a year and at $7.99.

Best for: Peptide, GLP-1 and TRT users who want labs and blood-level curves, free for one compound

Sources: App Store · helloregimen.com · Google Play

PepTracker is a dose log and protocol tracker for peptides, GLP-1 medications and testosterone, with 468 US ratings averaging 4.7. Its free plan covers up to 2 protocols, 5 templates, the dose calculator and basic reminders.

• A dose calculator that gives the exact mL or insulin-syringe units to draw
• Reminders and a calendar that show what's due today
• Weight and other metrics tracked over time
• Premium adds unlimited protocols, mood and energy tracking, CSV and PDF export, and Apple or Google calendar sync

Worth knowing: No free trial, per its FAQ; the free plan is how you try it.

Price: Free plan. Premium is $7.99 a month or $47.99 a year on the App Store.

Best for: Anyone who wants a simple dose log with a free tier, TRT schedules included

Sources: App Store · peptracker.app

Injectly logs injectable medications and peptides with no ads and no subscription, and has 465 US ratings averaging 4.9. You can log injections, set reminders and see your history without creating an account.

• Logs dose, route (SubQ, IM or IV) and injection site for every shot
• Serum-concentration curves for supported medications, with percent of peak and remaining dose
• Cycles, titration steps and custom-interval reminders with a free account
• Blend protocols with a per-ingredient dose breakdown, plus CSV export
• Available in English and German

Price: Free. No in-app purchases are listed on the App Store.

Best for: Anyone who wants a simple, free injection log

Sources: App Store · injectly.fit

Dosely tracks GLP-1 medications and peptides in pens, vials and tablets, with 87 US ratings averaging 4.6. It shows what's due today, what's overdue and what's coming this week, counts what's left in each vial, pen or tablet card, and forecasts when your supply runs out.

• One dose log for pens, vials and tablets, with injection-site rotation
• A supply forecast, and cost per dose and per week
• Ori, an AI assistant that makes the changes you ask for once you confirm them
• A daily check-in for mood, energy and side effects, weight by week, and progress photos
• A doctor export, label titration ladders as reference, a free calculator on its website, and apps for iPhone and Android

Worth knowing: Its App Store listing says a Dosely Pro subscription is required, starting with a free trial. It removed its in-app dose calculator in version 2.5.0 (October 2026).

Price: Pro subscription, starting with a free trial. In-app purchases listed on the App Store: $7.99–$9.99 a month, $19.99–$39.99 a year.

Best for: GLP-1 and peptide users who want supply, cost and pens tracked closely, on iPhone or Android

Sources: App Store · dosely.cc · Google Play

Dose Track tracks peptides, GLP-1 medications, testosterone and other hormone treatments, with 25 US ratings averaging 4.9. It logs each dose with its site, time, pain level and notes, shows estimated medication levels from your injection history, and keeps a vial inventory with how much is left and a reminder when it's time to reorder.

• Estimated medication levels from your injection history, for peptides, GLP-1s and testosterone
• Lab results read from an uploaded PDF or photo, with Quest, LabCorp and other formats
• Vials and supplies such as bacteriostatic water and syringes, with a reminder when to reorder
• Weight, BMI, calories, protein and side effects with severity, plus Apple Health sync
• Pulse, an AI coach that answers from your own data, per its website, and apps for iPhone and Android

Worth knowing: Its website lists estimated-level charts, lab reading, site mapping and the Pulse coach as Pro features, and the free tier covers 3 active medications.

Price: Free for up to 3 active medications, with dose logging, reminders and weight, per its website. Pro is listed on the App Store at $6.99 a month and $69.99 a year.

Best for: Peptide, GLP-1 and testosterone users who want estimated levels and labs, with a free tier

Sources: App Store · dosetrack.app · Google Play

MyPeps is a peptide tracker for iPhone with 7 US ratings averaging 4.4. It logs doses in one tap, runs daily, every-other-day, weekly or as-needed schedules with reminders, and tracks each vial from powder through mixing to empty, with its expiry date.

• One-tap dose logging with notes, an editable history and CSV export
• Estimated active-level curves for each peptide you run
• Vial inventory: amount left, water volume, concentration and expiry, with an alert before a vial expires
• Several peptides at once, blends, and pause or resume for each protocol
• Works without an account, with height and weight from Apple Health

Worth knowing: Its App Store listing says a paid subscription is required, weekly or yearly, with a 3-day free trial for eligible new subscribers; its App Store page lists no prices.

Price: A paid subscription, weekly or yearly, with a 3-day free trial for eligible new subscribers, per its App Store listing. Its App Store page lists no in-app purchase prices, and its website opens the App Store.

Best for: iPhone users who want a simple peptide log with vial and expiry tracking

Sources: App Store

PepCalc is a calculator, not a tracker: it has no dose log. It's free, lists no in-app purchases, and has 503 US ratings averaging 4.7.

• Dose calculator: enter the dose, the peptide in the vial and the water added to get the volume and U-100 syringe units
• Reconstitution calculator: how much bacteriostatic water gives a target concentration
• Works for any peptide, with no ads, per its listing

Worth knowing: Last updated in August 2025 (version 1.0.1).

Price: Free. No in-app purchases are listed on the App Store.

Best for: Anyone who only needs the reconstitution math, not tracking

Sources: App Store