Peptidly: Peptide Tracker

Peptidly

In-app purchases

About this app

Peptidly is a private peptide tracker for people who track peptide protocols. It's a clean, distraction-free record-keeping app — not a coach, not a prescriber, just a place to log what you're already doing. Free, with no ads and no paywalls.

WHAT YOU CAN DO

▸ Peptide cycle planner
Plan peptide cycles with start and end dates, track day-by-day progress, and switch between primary and secondary cycles. Today's schedule on a single home screen.

▸ Compound & dose tracking
Add compounds to each peptide cycle. Record vial size, BAC water volume, dose amount, frequency, injection times, and notes. Built-in peptide library suggestions.

▸ Reconstitution calculator
Peptide reconstitution maths done for you — concentration, dose volume, syringe units. No more spreadsheets, no more guessing.

▸ Dose log & reminders
Mark each peptide dose as taken, missed, or skipped. Add injection site and notes. Site-rotation warnings (Strict / Loose / Off) help you avoid scarring and lipohypertrophy by flagging recently-used injection sites.

▸ Vial inventory
Each opened peptide vial is tracked separately — remaining mg, expiry date, low-stock alerts. The app knows when you run out and prompts you to open a new vial. Unopened in-stock count auto-decrements.

▸ Calendar view
Multi-day overview of doses across all your peptides, at a glance, with status colours.

▸ Offline-first & private
Everything works offline — log doses with no signal and they sync, encrypted, when you're back. No ads, no advertising trackers, no sale of your data. Export your data anytime.

▸ Sync & privacy
Cloud sync across devices. Optional biometric lock (Face / Fingerprint). Full data export. Delete-account flow with a 30-day grace period.

▸ Customisable
Display units (mcg or mg), 12h or 24h time, date format, reduce-motion mode. Every preference syncs across devices.

NOT MEDICAL ADVICE

Peptidly is an educational and personal record-keeping tool. It does not provide medical advice, diagnosis, or treatment. It does not recommend dosages or compounds. Always consult a qualified clinician before starting, changing, or stopping any protocol. You are responsible for your own health decisions.

FEEDBACK

Built solo, iterating fast. Send bugs, suggestions, and feature ideas — every one gets read.

Ratings and reviews

So far I like the App a lot, it's pretty straight forward. One option that would be a nice addition, and I certainly think we're including the data for them to do it (like other GLP-1 Apps do), it to add a graph for current levels of various peptides in our systems at any given time in a cycle. And providing a view of all at the same time would be great for people doing something like moving from Tirz to Reta, we could see the current values. Add a "projection" graph would be epic!

Genuinely can't believe this app is free. I must have downloaded 20+ apps to find the right one for me, both free, paid, AI lead, user lead, all different types offering all types of tracking and UI's. All of those have been uninstalled and I'm still using this. Developer is really receptive to feedback and fixing bugs that are found, and gives you a breakdown of his investigations and lets you know when it's been fixed. Genuinely a 10/10 experience as a user, you won't find a better app.

Hi Norbert, the app is great and made my life a lot easier. Maybe an improvement point for the future update. Can you add "love handles / flanks" as an injection area? It really helps with copper injections and I plan to use that area until I lose weight. Would love to be able to track it in the app as an area.

What’s new

Your calendar now shows doses you logged in the past, including ones you back-filled when setting up a cycle that started earlier — these were being hidden. It also fixes a case where the calendar and the home screen disagreed about which day a dose was due. And doses that fail to save during a server problem now retry on their own instead of waiting for the next update.