Comparison
A reconstitution calculator solves one step of your protocol. Peptidy solves that step and everything around it — logging, history, adherence, and a cited compound library — in one place.
| Peptidy | PepCalc | |
|---|---|---|
| Reconstitution / concentration calculator | ✓ | ✓ |
| Syringe units & doses-per-vial output | ✓ | ✓ |
| Compound-specific calculator pages | 17 compounds | Generic |
| Log & track your injections | ✓ | — |
| Injection history & adherence | ✓ | — |
| Body-metric tracking | ✓ | — |
| Educational compound library with citations | ✓ | — |
| Web app + iOS | ✓ | Web only |
Comparison based on publicly available information and our own product at the time of writing. Competitor features may change — verify current details with each provider.
A dedicated reconstitution calculator like PepCalc does one thing: it turns your vial size and diluent volume into a concentration and dose. That's genuinely useful, and if a quick one-off calculation is all you need, a standalone tool is perfectly adequate.
Peptidy includes the same core reconstitution maths — concentration, injection volume, syringe units, and doses per vial — across 17 compound-specific calculators with worked examples. But the reconstitution step is only one part of a protocol. Peptidy also lets you log every injection, review your full history, track adherence with streaks, record body metrics, and read an educational compound library with citations — all synced across web and iOS.
In other words, you don't have to bounce between a calculator in one tab and a spreadsheet or notes app in another. The number you calculate is stored against the compound you're tracking, so your dosing stays consistent.
If you want a single reconstitution figure and nothing else, a standalone calculator does the job. If you want that calculation to live inside a proper tracking system — so your protocol, history, and reference material are all in one secure place — Peptidy is the better fit, and the calculators are free to use either way.
PepCalc is a standalone peptide reconstitution calculator. Peptidy includes reconstitution calculators too — for 17 compounds — but wraps them in a full protocol tracker, so you can log injections, review your history, track adherence, and read a cited compound library in the same place.
Yes. Peptidy's reconstitution calculators are free to use on the website, with compound-specific pages for BPC-157, TB-500, semaglutide, tirzepatide, and 13 more compounds.
No. The reconstitution calculators are free and open on the website. An account and subscription unlock the tracking features — injection logging, history, adherence, and body metrics.
Yes — Peptidy calculates concentration, injection volume, syringe units, and doses per vial, the same core outputs you'd expect from a dedicated calculator, plus compound-specific presets and worked examples.
Use Peptidy's free reconstitution calculators, then log and track your whole protocol in the same app.