Built by researchers, for researchers. Visual syringe, instant math, dose presets — from vial to syringe in 10 seconds. Decentralized, encrypted, free forever.
Other calculators have 12–44 peptides and charge $8–$30. We have 194 and charge nothing.
See exactly where to draw. Animated fill level with graduated unit markings. No math errors, no guesswork.
BPC-157, Semaglutide, Tirzepatide, TB-500, Ipamorelin, NAD+, and 188 more. All pre-loaded with vetted doses.
Doses come from our research database and update automatically. When the science changes, your calculator changes.
One-tap presets for common protocols. Low, medium, high — based on published research ranges. Custom input too.
Add to your home screen in 2 taps. Works offline. No app store, no approval process, no subscription.
MCG vs MG explained. Syringe types compared. Reconstitution walkthrough. Storage & handling guide. Built for beginners.
We researched every peptide calculator on iOS, Android, and the web. Here's the honest comparison.
| PepsCalc | PepSync | PepCalc | PeptideFox | Peptly | |
|---|---|---|---|---|---|
| Peptides | 194 | 32 | 12 | 30 | 12 |
| Price | Free | $7.99 | $4.99–$39.99 | Free | $29.99/yr |
| Visual Syringe | ✓ | ✓ | ✗ | ✗ | ✓ |
| Live-Synced Doses | ✓ | ✗ | ✗ | ✗ | ✗ |
| No Download | ✓ | ✗ | ✗ | ✗ | ✗ |
| Works Offline | ✓ | ✓ | ✓ | ✓ | ✓ |
| Learn/Education | ✓ | ✗ | ✗ | ✗ | ✗ |
| Subscription | Never | No | Yes | No | Yes |
Three taps. Exact results. No math required.
Search or browse 194 peptides by category. Tap to select — vial size and water amount auto-fill.
Tap a preset or enter a custom amount. MCG, MG, or IU — the app handles the conversion.
Animated visual shows exactly where to draw. Plus concentration, doses per vial, and volume.
PepsCalc is a Progressive Web App. It installs directly from your browser and works offline — like a native app, without the app store middleman.
1. Open pepscalc.app in Safari
2. Tap the Share button (square with arrow)
3. Tap "Add to Home Screen"
4. Tap Add — done!
1. Open pepscalc.app in Chrome
2. Chrome shows "Install app" banner
3. Tap Install
4. Find it on your home screen!
Every feature. Every peptide. Every update. Forever.
194 peptides. Visual syringe. Dose presets. Free forever.
Open PepsCalc — Free