Peptide LibraryApp comparisons • 2026
Compare the Best Peptide Tracking Apps
Explore detailed comparisons of peptide tracking apps, research platforms and GLP-1 tracking tools. Compare features, availability, research libraries, pricing and more.
Last verified · Published by Peptide Library, which has a commercial interest in this comparison. How we compare
Directory
Peptide and GLP-1 tracking apps, compared
7 apps shown
Peptide Tracker
By Flat Six Labs (peptidetracker.ai)
A free peptide and GLP-1 tracker with vial inventory, estimated level curves, progress photos and a community Q&A, on iPhone, Android and the web.
Main difference: Free tracking with no subscription; vendor and price research isn't advertised.
Platforms: iPhone, Android and web
Peptide Library vs Peptide Tracker →
PeptidePal
By Blank Labs (peptidepal.health)
A peptide and GLP-1 protocol tracker with vial inventory, reconstitution math, injection-site rotation, a compound library, an AI advisor and a peer forum.
Main difference: Protocol tracking with on-device storage; no advertised vendor or price research.
Platforms: iPhone and Android
Peptide Library vs PeptidePal →
Peptide Tracker & Calculator
iPhone app by David Dzeveckij (glp1.app)
A private, on-device iPhone tracker with detailed vial records, injection-site rotation, bloodwork logging and widgets.
Main difference: Detailed vial records and no data collection; an iPhone app with no Android listing found.
Platforms: iPhone only
Peptide Library vs Peptide Tracker & Calculator →
Pep AI
By Zode Development (pepaiapp.com)
A GLP-1 and peptide tracker built around shots, nutrition, side effects and wellness, with an AI companion, Apple Watch app and community groups.
Main difference: Nutrition, symptoms and AI for GLP-1 routines; tracking needs a subscription.
Platforms: iPhone and Android
Peptide Library vs Pep AI →
Shotsy
By Shotsy Co. (shotsyapp.com)
A GLP-1 medication tracker for weekly injections and daily pills, with estimated medication levels, side effects, nutrition and PDF reports for care-team visits.
Main difference: Built for GLP-1 medications; it doesn't advertise peptide research, inventory or vendor tools.
Platforms: iPhone and Android
Peptide Library vs Shotsy →
PepTracker
iPhone app (peptracker.app)
An iPhone protocol tracker with stacked and cycling schedules, calendar sync, two-way Apple Health and AI that builds protocols and summarises your week.
Main difference: Protocol management and AI summaries on iPhone; a lifetime option.
Platforms: iPhone only
Peptide Library vs PepTracker →
PeptIQ
By Kris Chase / ChaseCoLabs (peptiq.io)
A peptide tracker that charts Apple Health, Oura and WHOOP data next to your log, with AI that answers questions about your own history, a community and web research tools.
Main difference: Wearable data next to your log and AI on your history; it does not list vendors.
Platforms: iPhone, Android and web
Peptide Library vs PeptIQ →
Peptide Library
What Peptide Library brings to the comparison
Peptide Library is the research platform behind these pages. Here is what it covers, so you can weigh it against the apps above.
Research library
200+ peptide profiles with cited PubMed, ClinicalTrials.gov, DailyMed and EMA sources.
Browse the library →Vendor price comparison
Vendor listings by compound and product form, price per mg after coupon codes, and vendor reviews.
Compare vendor prices →Research data
Publication and clinical-trial statistics per peptide in the Research Intelligence Center.
Open the research center →Tracking and schedules
Logs, cycles, titration and reminders, with a calendar of taken, missed and skipped doses.
See the peptide tracker app →Inventory
Stock deducted as you log, with run-out and reorder-by dates and low-stock and expiry alerts.
See the inventory tracker →Everywhere you are
iPhone and Android apps, plus a web app you can install from the browser.
Install the web app →
Feature preview
Research, vendor and tracking tools across eight apps
Ten of the features we compare, focused on research, vendors and inventory. Each comparison page has the full matrix with notes, including nutrition, wearables and AI, where other apps lead; the best peptide tracker apps guide covers pricing and platforms for all eight.
| Feature | Best for research Peptide Library |  Peptide Tracker |  PeptidePal |  Peptide Tracker & Calculator |  Pep AI |  Shotsy |  PepTracker |  PeptIQ |
|---|---|---|---|---|---|---|---|---|
| Compound library | 200+ profiles4 | Yes (listing says 110+ and 50+)13 | 100+ compounds and blends14 | Not advertised | Not advertised | Yes (no count published)20 | ||
| Cited research references | Yes4 | Not advertised | Not advertised | Yes14 | Not advertised | Not advertised | Not advertised | Yes23 |
| Publication and trial data | Yes5 | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised |
| Vendor directory | Yes6 | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | |
| Vendor price comparison | Yes7 | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | No23 |
| Price per mg | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Calculator for offers you enter25 | |
| Vial inventory | Yes (free: 1 peptide)3 | Yes10 | Yes13 | Yes17 | Not advertised | Supply tracking20 | Yes23 | |
| Android app | Yes1 | Not advertised | Yes16 | Not advertised | ||||
| Web app | Yes, installable2 | Yes9 | Not advertised | Not advertised | Not advertised | Not advertised | Not advertised | Yes22 |
| Free plan | Yes (inventory: 1 peptide)3 | Free download13 | Free to start14 | Tracking needs a subscription17 | Core features free19 | Up to 3 protocols20 |
The guide
Best peptide tracker apps in 2026
Which app is best for research, for a free tracker, for GLP-1 medications, for nutrition or for wearables? The guide explains how we evaluated eight apps and picks one for each need, including several where another app wins.
Read the guideLooking for a calculator rather than a tracker? The calculator guide compares eight peptide calculators on what they work out and where they run, including which ones still work on iPhone.
Best peptide calculatorsFAQ
About these comparisons
Who publishes these comparisons?
Peptide Library does, and it has a commercial interest in you choosing it. That is why every page shows its sources and verified date, says where another app is the better fit, and marks unconfirmed features as not advertised or not verified.
How are competitor features verified?
From each app's App Store and Google Play listings and the developer's own website. A feature is shown as available only when one of those sources states it, and every claim links to its source.
What does "Not advertised" mean?
None of the sources we checked mention the feature. The app may still have it, so we never show that as a No. We use No only when the developer says a feature is absent or was removed.
Why don't these pages show App Store ratings?
Ratings change daily and say little about whether an app fits what you track, so we compare features, platforms and prices instead.
How do I report an error on a comparison?
Contact support with the page and the correction. We check it against the developer's own sources, update the page, and change its verified date; our editorial policy describes how corrections work.
Explore More Than Peptide Tracking
Research peptides, organize your tracking, manage inventory, and compare vendors in one place.
Free plan available. Pro adds unlimited inventory, sync on every device, export and more; see Free vs Pro.
Sources
Store listings and developer websites as read on the date shown. Competitor details can change after that date.
- 1.Peptide Library and Tracker on Google Play (Google Play, read )
- 2.Install the Peptide Library web app (Peptide Library, read )
- 3.Peptide Library Free vs Pro (Peptide Library, read )
- 4.Peptide Library research profiles (Peptide Library, read )
- 5.Research Intelligence Center (Peptide Library, read )
- 6.Peptide vendor directory (Peptide Library, read )
- 7.Compare peptide prices and vendors (Peptide Library, read )
- 8.Peptide Tracker on Google Play (Google Play, read )
- 9.peptidetracker.ai (Flat Six Labs, read )
- 10.Peptide Tracker Log & Reminder on the App Store (Apple App Store, read )
- 11.PeptidePal: Peptide Tracker on Google Play (Google Play, read )
- 12.peptidepal.health (Blank Labs, read )
- 13.PeptidePal – Peptide Tracker on the App Store (Apple App Store, read )
- 14.glp1.app (David Dzeveckij, read )
- 15.Peptide Tracker & Calculator on the App Store (Apple App Store, read )
- 16.Pep AI: GLP-1 Peptide Tracker on Google Play (Google Play, read )
- 17.Pep AI: GLP-1 Peptide Tracker on the App Store (Apple App Store, read )
- 18.Shotsy - GLP-1 Tracker on Google Play (Google Play, read )
- 19.shotsyapp.com (Shotsy Co., read )
- 20.PepTracker: Peptide Tracker on the App Store (Apple App Store, read )
- 21.PeptIQ: Peptide Tracker on Google Play (Google Play, read )
- 22.peptiq.io (PeptIQ, read )
- 23.PeptIQ: Peptide Tracker on the App Store (Apple App Store, read )
- 24.PeptIQ pricing (PeptIQ, read )
- 25.PeptIQ tools (PeptIQ, read )
Disclosure and method
Peptide Library publishes this comparison and has a commercial interest in helping you evaluate its platform. Competitor features and pricing are reviewed using publicly available information: App Store and Google Play listings and each developer's own website, read on . We identify situations where another app may be a better fit.
We did not install or test competitor apps for these pages, and we don't score or rank them. A feature no source mentions is shown as "Not advertised", never as missing. App names and icons are trademarks of their respective owners, used only to identify the apps; Peptide Library is not affiliated with or endorsed by them.
Spotted something out of date? Tell us and we'll check it against the developer's sources. Corrections follow our editorial policy.
Research and educational use only. Not medical advice. Peptide Library does not sell peptides.