Compare vendor prices, calculate reconstitution and doses, track inventory, and browse a research library. Log protocols and stay consistent—built for peptide research.
Peptide Tracker and Library
The all-in-one peptide calculator, peptide tracker, and research library for protocols, inventory, and precise dosing.
Calculate, log, and stay consistent — in one research tool.
PEPTIDE CALCULATOR
Convert mg, mcg, and IU. Calculate reconstitution, vial concentration, injection volume, and multi-peptide stacks. Save recent calculations for the next session.
PEPTIDE TRACKER
Log every dose with time and notes. Set schedules and reminders. Use the calendar to review cycles, streaks, and missed doses. Track symptoms and journal entries alongside each protocol.
INVENTORY
See how much is left in each vial, capsule, or spray. Get low-stock and reorder alerts. Inventory updates when you log a dose.
RESEARCH LIBRARY
Browse a peptide database with protocols, mechanisms, reconstitution notes, PubMed references, and molecular data. Open Peptide School courses, guides, and FAQs when you want structured learning.
VENDOR PRICES
Search supported vendors, compare price per mg, check stock, and unlock available discounts — without leaving the app.
PROGRESS
Log weight, body composition, and progress photos. Charts show how your research notes change over time.
BUILT FOR RESEARCH WORKFLOWS
Fast search. Offline use. Optional account sync. Local-first storage.
For research and educational purposes only. Not medical advice. Not for human consumption. Consult a qualified professional before any protocol.
Subscription Information
Pro Monthly — $5.99/month
Pro Yearly — $49.99/year
Subscription auto-renews unless turned off 24 hours before the end of the current period. Manage subscriptions in your App Store account settings.
Privacy Policy: https://peptidelibrary.app/privacy
EULA: https://peptidelibrary.app/terms
This all-in-one peptide tracker is honestly a game changer for anyone serious about staying organized, informed, and connected in the peptide space. It goes far beyond a simple logging app — it feels like a complete ecosystem built with real users in mind.The dosing calculator and guidance tools are incredibly intuitive, making it easy to stay precise and consistent without second-guessing. Whether you’re new or experienced, the built-in support helps you make smarter, more confident decisions.What really sets it apart is how seamlessly everything is integrated. You can log doses, track your inventory, and monitor usage all in one place, which eliminates the chaos of spreadsheets or scattered notes. The inventory management feature alone is a lifesaver — no more running out unexpectedly or losing track of what you have on hand.
Developer Response
Thank you for the incredible review! We’re thrilled that Peptide Library has become a true all-in-one peptide tracker for you. Our goal is to make peptide tracking, dose logging, inventory management, scheduling, and the peptide calculator feel simple and connected in one place instead of relying on scattered notes or spreadsheets.We’re especially glad the inventory tools and dosing features are helping you stay organized and keep better track of what you have on hand. We’re constantly improving Peptide Library with new features, refinements, and updates based on user feedback. Thank you for taking the time to share such a detailed review and for being part of the community!
Best Peptide Tracking App!
Creditdoc0277
I’ve been using this app for a while now, and it’s easily one of the most useful tools out there for anyone serious about tracking peptides. The interface is clean, simple, and very intuitive, making it easy to log and compare different peptides without any confusion. Highly recommend for anyone looking to stay on top of their peptide protocols.
Developer Response
Thank you for the amazing review! We’re thrilled Peptide Library has become your go-to peptide tracker. We’re always improving the peptide tracker, peptide calculator, and protocol tools to make logging, comparing, and managing peptides simple and intuitive.
Amazing for my health and weight loss
FantasticUber
I was able to order and try out peptides and it made a huge improvement in my overall health I feel so much better and I love the dependability of the app to notify me when I should increase or need to buy more based on my results
Developer Response
Thank you so much for the thoughtful review! We’re glad Peptide Library has been helpful for staying organized with your peptide routine, reminders, and inventory.Our goal is to make the peptide tracker, peptide calculator, scheduling tools, and inventory features dependable and easy to use so you can keep everything in one place. We’ll continue improving the app with better tracking, smarter reminders, and additional peptide tools based on user feedback.We really appreciate the 5-star support and are happy to have you as part of the Peptide Library community!
Favorite app!!!
Sofiabellagatti
Actually my favorite app ever!! Especially for peptide dosing. Makes everything simple to understand and convenient. So much great info as well, supplies, tips, etc. Highly recommend.
Developer Response
Thank you, Sofia! We’re so glad Peptide Library is your favorite app. We’re happy the peptide calculator, peptide tracker, dosing tools, supplies, and educational info make everything easier to understand and manage. We really appreciate the recommendation!
Bug fixes and stability improvements.
Version 2.5.3
The developer, Superfime LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Contact Info
User Content
Identifiers
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Superfime LLC
Size
80.3 MB
Category
Health & Fitness
Compatibility
Requires iOS 16.4 or later.
iPhone Requires iOS 16.4 or later.
iPad Requires iPadOS 16.4 or later.
Mac Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.