PepSync
Get the app
The PepSync app

The peptide calculator app for iPhone

PepSync pairs the free web reconstitution calculator with an iOS app that saves every protocol, reminds you of doses, rotates injection sites, and tracks vials — so you do the math once.

  • Free to download
  • Protocols stored on your device
  • No CC required
Get the appTry the free web calculator
Free on iPhone · Android coming soon
PepSync iPhone app home screen showing the next BPC-157 dose, stats and the week view

Calculator first, tracker second

Most tracker apps assume a pre-filled pen. PepSync is built for people reconstituting their own vials: it does the mg → mcg → mL → units conversion accurately, then keeps the result tied to a saved protocol. Start on the peptide calculators, then save the setup in the app.

Free and Pro

The web calculator is free and needs no signup. The iOS app has a free tier; Pro unlocks unlimited saved protocols, injection-site rotation, vial and cost tracking, and reminders. Subscriptions are billed through your Apple ID — see the terms and privacy policy.

Private by design

Your protocols are stored on your device. PepSync is an educational calculator and protocol tool — it does not diagnose, prescribe, or replace your clinician or pharmacy.

The PepSync app

Track every peptide dose in one place.

Save your peptides, mixes and schedule, and get a reminder when each dose is due.

  • Saved calculationsEvery vial and dose one tap away. No more screenshots.
  • Schedules & remindersDaily, weekly or custom. Get a nudge when it’s time.
  • Titration plansStep your dose up over weeks with the draw worked out for each step.
  • Dose logSee what you took and when, and how much is left in the vial.
“User friendly. Easy to navigate and understand.”
jusPeaches · App Store review · United States
Start tracking — it’s free4.9 on the App StoreFree to download · No CC required
The PepSync app home screen with saved peptides and today’s doses