Your weekly shot, minus the worry
Know what you took,
and what's next.
Peptra keeps your doses, your pen, and your progress in one calm place — counting down what's left in the vial and showing exactly where every compound stands. It runs entirely on your phone. No account, no server, free to start.
The part other trackers leave out
Every compound, labelled honestly.
Most trackers show you a name and a dose field. Peptra shows you where a compound actually stands with regulators, and puts the safety notes in front of you before anything else.
32 compounds
GLP-1s, growth-hormone secretagogues, healing peptides, and the research-stage compounds other apps pretend do not exist.
Status on every one
Including review dates and the specific safety warnings attached to that compound.
Shown before details
Open a research-only compound and the warnings come first. You acknowledge them before you see anything else.
What it does
Built for the actual routine.
Log a dose in seconds
Amount, time, site, and how you felt. An injection-site map suggests where you have not injected recently, so rotation is one tap instead of something to remember.
Know what's left in the vial
Record a vial once. Peptra counts doses remaining, days remaining at your schedule, and warns you before it runs out or expires.
Reconstitution arithmetic, built in
Vial strength and water volume in, syringe units out — plus concentration and doses per vial. It converts the numbers you enter. It does not tell you what to take.
Trends without the noise
Weight is smoothed so you see direction rather than daily fluctuation. A decay chart plots the published half-life against the doses you logged — it is a drawing of arithmetic, not a measurement of your body, and it stays blank when no published half-life exists.
Titration and cycles
Step ladders, cycles with washouts, and reminders computed on the device so they work with no signal.
A copy of your own record
Export a clean PDF or CSV of exactly what you logged, to bring to an appointment or keep for yourself. It is a formatted copy of your entries — nothing is interpreted or assessed.
Privacy
There is no server to leak.
Peptra has no account, no sign-up, and no backend. Your history is written to local storage on your phone and stays there. Nothing is uploaded, so nothing can be breached, sold, or subpoenaed from us — we never have it.
No account
Open the app and use it. There is nothing to sign up for.
No analytics SDK
No third-party tracker is watching what you log.
You move your own data
Back it up or export it when you choose to, and never otherwise.
Read the privacy policy.
Get Peptra
Free to start. Nothing to sign up for.
Track up to two compounds free, including the estimated-level curve and the full compound reference. Premium adds unlimited compounds and stacks — and there is a one-time lifetime option, because this category has enough subscriptions.
Coming to the App Store and Google Play.