Precision peptide calculations. Zero guesswork.
The research-grade calculator built for serious users. Reconstitution, dosing, protocols, and logs — all offline, all private.
$7.99 one-time · No subscription · Yours forever
The research-grade calculator built for serious users. Reconstitution, dosing, protocols, and logs — all offline, all private.
$7.99 one-time · No subscription · Yours forever
Core Features
Six precision tools in one app. No fluff, no upsells, no cloud dependency.
Enter peptide mg + BAC water volume. Get exact mcg/mL concentration in seconds.
See exactly where to draw on the syringe. Eliminates calculation errors.
Common research peptides pre-loaded. Auto-fills your calculation.
Save your research protocols. Reload with one tap.
Full timestamped dose history. Stored only on your device.
No internet. No account. No cloud. Your data never leaves your device.
How It Works
From vial to syringe in under 10 seconds.
Select from the built-in library or enter a custom peptide amount in mg.
The app instantly calculates your exact concentration in mcg per unit.
Visual fill indicator shows exactly how much to draw. No math required.
Inside the App
Every screen designed for accuracy and speed.
Enter peptide amount, BAC water volume. Get exact concentration instantly. Clean inputs, clear results, zero ambiguity.
See exactly how much to draw. The fill level updates in real time as you adjust your dose. No guesswork. No math errors.
32+ research peptides pre-loaded with standard dosing data. Tap to auto-fill your calculation. Add custom entries anytime.
Track every dose with timestamps. Full history stored on-device. Export when you need it, private when you don't.
Who It's For
If you know what reconstitution means, this app was made for you.
Pricing
The cost of one vial of BAC water. Pays for itself on the first calculation.
FAQ
Quick answers for the things you're probably wondering.
PepSync handles reconstitution math — how much BAC water to add to a peptide vial, the resulting concentration in mcg per unit, and the exact volume to draw for your target dose. It shows all of this visually on a syringe so there's zero ambiguity.
Yes — 100% on-device. No cloud sync, no account creation, no analytics, no tracking. Your protocols and logs never leave your phone.
Fully offline after download. No internet connection is ever needed. The app works identically whether you're connected or not.
No. $7.99 one-time purchase. No recurring charges, no in-app purchases, no paywalled features. You get everything, forever.
iPhone (iOS 15+), iPad, and Android (8.0+). Same full experience on both platforms.
No. PepSync is a calculation tool for research purposes only. It does not provide medical advice, diagnoses, or treatment recommendations. Always consult a qualified professional.