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Peptide Tracker · Calculator · AI Coach

The peptide calculator is free.

Reconstitute, dose, and track BPC-157, GLP-1s, TRT, and more on your iPhone. Save your protocol once. Tap to log every dose. See your patterns. AI coach included.

Download on the App StoreTry the calculator ↓
Vial App Screenshot

Calculator

Stop doing dose math in your head.

Enter your vial size, bacteriostatic water volume, and target dose. Vial computes the reconstituted concentration, draw volume in mL, and exact syringe units. Switch between mcg and mg. Supports U-20, U-30, U-40, and U-100 syringes. Free forever, no purchase required.

  • 15 preloaded peptide presets including BPC-157, TB-500, CJC-1295, Ipamorelin, GHK-Cu
  • Compounded GLP-1 support: semaglutide, tirzepatide, retatrutide
  • TRT cohort support: testosterone, HCG, ancillaries
  • Custom peptide entry for anything not on the list
  • Multi-peptide blend support for KLOW, GLOW, and custom stacks
  • Save vials for instant recall across sessions
  • Water Solver: input your target units and get the BAC water volume
Calculator

Tracker

Save your protocol once. Tap to log every dose.

Create protocols for daily, weekly, or custom schedules. Log each dose with a single tap from the lock-screen notification. Three-state logging captures logged, skipped, and missed doses so your history stays accurate. See your patterns on the calendar timeline.

  • Streak tracking across all active protocols
  • Smart injection site rotation based on your last 3 sites
  • On/off cycle scheduling for cycled peptides
  • Calendar timeline: month, week, year, and cycle Gantt views
  • Body metrics, bloodwork, and progress photos
  • CSV export and Vial 365 year-end share asset
Tracker

Reminders

Notifications that fire on device. Always.

All reminders are scheduled locally. No backend, no internet required. Tap the notification and your log sheet is pre-filled. Confirm in under 3 seconds and get back to your day.

  • Dose due notification at your scheduled time
  • Missed dose alert 2 hours after the window closes
  • Streak milestones at 7, 14, 30, 60, and 100 days
  • Vial freshness warnings before reconstitution expires
  • Works fully offline, no account needed
Reminders

Included with Vial

Vial AI

An educational chat assistant that knows your active protocol. Ask about peptide mechanisms, half-lives, technique principles, and published prescribing information. Not a substitute for your prescriber.

Vial AI
  • Peptide mechanisms
  • Half-life and PK
  • Technique principles
  • Cycling theory

Educational only. Not medical advice. Configured to refuse personalized clinical questions and redirect to your prescriber.

Pricing

Free to calculate. Fair to upgrade.

Calculator stays free forever. AI coach included with every paid tier.

Vial Monthly

$14.99 / month
  • Unlimited protocols and vials
  • Body metrics, bloodwork, photos
  • Vial AI included
  • Cancel anytime
Best value · 72% off

Vial Yearly

$29.99 first year

Then $49.99/yr. New subscribers only.

  • Everything in Monthly
  • $4.17/mo effective after intro
  • Vial AI included
  • CSV export, Vial 365

Vial Lifetime

$99.99 one-time
  • Everything forever, no sub
  • Vial AI included
  • Family Sharing
  • Limited launch offer

Free tier: calculator + 1 protocol + 1 saved vial + 30 days history. No expiry.

FAQ

Questions

Is the calculator really free?

Yes. The reconstitution calculator is free forever, no purchase required. You can save one vial and one active protocol on the free tier. Premium unlocks unlimited protocols, full history, body metrics, bloodwork, progress photos, and Vial AI.

Is my data private?

All protocol data, logs, and metrics are stored on your device using on-device SQLite. Nothing is uploaded. No account is required. Vial does not track you across other apps or websites. See the Privacy Policy for the full data flow.

What peptides are supported?

15 presets: BPC-157, TB-500, CJC-1295 (with and without DAC), Ipamorelin, GHK-Cu, Semaglutide, Tirzepatide, Retatrutide, Epitalon, NAD+, MOTS-c, Tesamorelin, Sermorelin, PT-141. Plus testosterone and HCG for TRT users. Custom peptide entry for anything else.

What does Vial cost?

Monthly $14.99. Yearly $49.99 with $29.99 first-year intro for new subscribers. Lifetime $99.99 one-time. AI coach is included with every paid tier. The reconstitution calculator stays free forever.

What does Vial AI do?

Vial AI is an educational chat assistant. It explains peptide mechanisms, half-lives, technique principles, and published prescribing information. It cannot diagnose, prescribe, or recommend a specific dose. It is configured to refuse personalized clinical questions and redirect to your prescriber. Educational only, not medical advice.

What syringes does Vial support?

U-20, U-30, U-40, and U-100 insulin syringes. Select your syringe type and the calculator outputs the exact unit mark to draw to on your barrel.

Does it work offline?

Calculator and tracker, yes. Vial AI requires an internet connection because it streams responses from a hosted model.

What is the refund policy?

All purchases are processed by Apple through the App Store. Refunds are subject to Apple's refund policies. Contact Apple directly via reportaproblem.apple.com for any refund requests.

Built for the daily ritual.

The peptide app you open 2 to 5 times a day.