Head-to-head · updated October 2026

PepVault vs Peptide Tracker Log & Reminder

Peptide Tracker Log & Reminder, from Flat Six Labs, is a free tracker; PepVault is a paid one. Both track doses, vials, injection sites and estimated levels on iPhone. Here's what the price difference buys, based on Peptide Tracker's App Store listing and website and on PepVault, which is our app.

Last updated October 2026

The short answer

Peptide Tracker is free with no subscription, has 2,643 US ratings averaging 4.9, runs on iPhone, Android and the web, and adds a community. PepVault costs $69.99 a year or $14.99 a month, with 7 days free on the yearly plan for new subscribers, and adds bloodwork tracking, an AI coach that reads your protocol, labs, training, food and recovery together, and a PDF report for your clinician.

Side by side

FeaturePepVaultPeptide Tracker
Price (US)$69.99/yr or $14.99/moFree; optional Founding Member membership
Free trial7 days on the yearly plan, for new subscribersNot needed
US App Store rating4.9 from 8 ratings4.9 from 2,643 ratings
PlatformsiPhoneiPhone, Android, web
Dose logging and remindersYes: daily, weekly, cycled and custom schedules, with titrationYes: taken, skipped and missed doses, with reminders
Reconstitution calculatorFree on the web (pepvault.app/tools)Yes, plus a free web calculator
Vial inventoryYes: dose counts, expiry and run-out dateYes: mixed and unmixed vials, plus bacteriostatic water
Injection-site rotationYes, with full historyYes: logs where each dose went
Estimated active levelsYes: estimated concentration curvesYes: estimated plasma-level curves
Bloodwork trackingYes: markers over time, read against your protocolNot listed
AI assistantPepTalk: answers with your protocol, labs, training, food and recovery in contextA Peptide Assistant for general peptide information
Food trackingYes, including photo meal loggingNutrition entries you add yourself, per its website
Side-effect loggingYesNot listed
Report for your clinicianYes: a PDF reportNot listed
CommunityNoYes: Q&A with people using the same compounds
Data exportYes: CSV, anytimeOn request to the developer

"Not listed" means the feature isn't described in the app's App Store listing or on its website as of October 20, 2026; it may still exist. PepVault is our app.

Pick PepVault if…

  • You want bloodwork tracked next to your protocol and read in context
  • You want an AI coach that answers with your own protocol, labs, training, food and recovery
  • You track training, food and recovery alongside your protocol
  • You want a PDF report for your clinician and CSV export whenever you want it

Pick Peptide Tracker if…

  • You want the whole app free, with no subscription
  • You're on Android, or want to use it on the web
  • You want a community of people using the same compounds
  • You want an app with 2,643 US ratings averaging 4.9

Questions people ask

Is Peptide Tracker Log & Reminder free?

Yes. The whole app is free with no subscription, on iPhone, Android and the web: dose logging, reminders, the reconstitution calculator, vial inventory, plasma-level estimates and the compound library. An optional annual Founding Member membership supports its development.

What does PepVault add over Peptide Tracker Log & Reminder?

Bloodwork tracking read against your protocol, an AI coach that answers with your protocol, labs, training, food and recovery in context, training logs, and a PDF report for your clinician. If you don't need those, Peptide Tracker covers dose logging, vials and reconstitution math for free.

Does Peptide Tracker work on Android? Does PepVault?

Peptide Tracker Log & Reminder is on the App Store and Google Play, and on the web. PepVault is iPhone-only for now; its reconstitution calculator and peptide library are free on the web at pepvault.app.

How much does PepVault cost compared with Peptide Tracker?

Peptide Tracker is free. PepVault is $69.99 a year or $14.99 a month, with 7 days free on the yearly plan for new subscribers.

Sources

PepVault: App Store · pepvault.app

Peptide Tracker: App Store · peptidetracker.ai · Google Play

See all fifteen apps compared

PepVault for iPhone

Run your protocol in PepVault

Log doses, manage vials, track bloodwork and ask an AI coach that has read all of it. $69.99 a year or $14.99 a month, with 7 days free on the yearly plan for new subscribers.

Download on the App Store