Professional Peptide Calculator in your pocket
Get precise measurements for peptide reconstitution and dosage calculations, then track nearly any medication type: peptides, supplements, nasal sprays, liquids, capsules, pills, injectable pens, steroids, HGH, HCG, and custom IU-based routines. Create schedules with titration previews and reminders, sync supported biometrics from Apple Health into Insights, use fully customizable themes, and sync supported app data across iPhone and iPad. One-time lifetime purchase, no subscriptions, no ads.
Protocols
Save every protocol and load the right dose in seconds
PeptideCalc turns one-off calculations into a protocol library for nearly any medication type: peptides, supplements, nasal sprays, liquids, capsules, pills, injectable pens, steroids, TRT, HGH, HCG, and custom stacks. Keep the dose, syringe pull, inventory, and next action ready at a glance.
- Save unlimited protocols with favorites, search, manual sorting, quick load, duplicate, rename, edit, archive, and print options.
- Track medication remaining, vial stock, runout estimates, and dose history across mg, mcg, IU, mL, unit, pill, capsule, drop, spray, and custom units.
- Use presets for GLP-1s and common protocols, then customize every parameter for oral meds, nasal sprays, injectables, lyophilized vials, or prefilled pens.
- Schedule a protocol, log a dose, or record an as-needed shot without rebuilding the calculator math from scratch.
Schedules
Calendar and active schedule views built for real dosing routines
See what is due today, what is coming next, and how every active routine is performing. PeptideCalc handles repeating cadences, custom intervals, due-dose logging, missed or skipped doses, and active schedule sorting for multi-medication routines.
- Calendar view shows upcoming peptide, GLP-1, oral, and injectable doses with color-coded indicators for each day.
- Active view keeps every running schedule visible with cadence, next dose time, total adherence, and one-tap drill-in controls.
- Expanded schedule details surface history, pending doses, protocol shortcuts, notification status, syringe setup, injection activity, and iCloud-synced changes across iPhone and iPad.
Previews
Preview schedule dates and titration steps before you save
Plan the routine first, then commit it. Setup previews show exactly which dates will be scheduled, while titration previews map each dose change from start to target so ramp-ups are easier to review before they appear on the calendar.
- Calendar previews turn a cadence into visible dose dates, reminders, schedule color, and backfill options before the routine is saved.
- Titration previews show start dose, target dose, dose unit, cadence, step size, and the week-by-week progression in one place.
- Audit GLP-1 ramp-ups, peptide cycles, hormone protocols, supplement schedules, and custom medication changes before they affect active reminders.
Insights
Connect biometrics, symptoms, and medication levels to the dosing log
The Insights tab helps you see more than a streak. Track metrics, symptoms, modeled medication levels, and optional Apple Health synced biometrics so you can understand trends, dose response, carryover, and steady-state progress over time.
- Sync supported Apple Health biometrics into Insights with read-only HealthKit access, including weight, body composition, resting heart rate, and sleep duration.
- Model medication levels from half-life, logged doses, and scheduled doses to estimate usual level and on-board carryover.
- Review dose markers, level percentages, and steady-state estimates for GLP-1s, peptides, hormones, and custom medications.
Import, ownership, and support
Bring your history with you, then own the app for life
PeptideCalc is built as a focused iOS medication tracker: calculations, protocols, schedules, insights, optional Apple Health sync, iCloud sync, backups, themes, and imports without recurring subscription pressure.
iCloud sync across devices
Sync protocols, schedules, dose logs, settings, and backups across your own iPhone and iPad so edits on one device show up on the other.
Apple Health sync
Optionally sync supported Apple Health biometrics into Insights with read-only HealthKit access. Health samples stay local to the device and are not uploaded by PeptideCalc iCloud Sync.
One-time lifetime access
Buy once on the App Store. PeptideCalc has no subscriptions, no ads, and no recurring unlocks.
Themes and dark mode
Choose dark, light, or system appearance, start from multiple theme presets, then fine tune tint and accent colors so the app matches your workflow.
iPhone and iPad
The current app target supports iPhone and iPad on iOS or iPadOS 18.6 and newer.
iOS only today
There is no Android app. It is also not a native macOS app, though Apple silicon Macs that can run iPhone and iPad apps should still work.
Shotsy export import
Import supported Shotsy CSV and .shotsyjson export files for protocols, schedules, logged shots, injection sites, biometrics, symptoms, and custom metrics where available.
Trusted by Researchers Worldwide
Join thousands of satisfied researchers using PeptideCalc.io for their daily calculations
Really loving this app. Now I can easily track all my peptides in on place! 5 Stars!! I tried a few others (iOS and web based) but they all were either missing something I wanted or the UI was lame. Loving this app.
-dragons