Comparison

PepTracker vs Protocol

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PepTracker

This app helps users meticulously track peptide and GLP-1 medication doses. It allows for the creation of structured protocols, scheduling of injections, and calculation of precise syringe volumes. Users can monitor progress over time and receive reminders for upcoming doses.

Highlights
  • Log injection doses
  • Build peptide/GLP-1 protocols
  • Built-in dose calculator
  • Schedule reminders
  • Track progress metrics
  • Export logs
Features
Read full description

Track. Schedule. Never miss a dose. PepTracker is a dose log and protocol tracker built for peptides, GLP-1 medications, and testosterone. Create structured protocols, schedule injections, calculate exact syringe volumes, and keep a clean record of your progress in one simple app. What you can do with PepTracker • Log doses, not guesses – Track every injection with an easy dose log instead of notes or spreadsheets. • Build peptide and GLP-1 protocols – Create schedules for Semaglutide, Tirzepatide, Retatrutide, BPC-157, AOD-9604, TRT, and more. • Use the built-in dose calculator – Enter vial amount, diluent volume, and target dose (mg or mcg) to get the exact mL or insulin-syringe units to draw. • Stay on schedule – Get reminders for upcoming doses and see what’s due today on the Home screen and in the calendar. • Track progress over time – Log weight and other metrics to see how your protocol is trending. Made for real protocols PepTracker works well whether you’re: • Running a GLP-1 weight loss protocol (e.g., Semaglutide, Tirzepatide). • Managing peptide stacks for recovery, performance, or wellness. • Keeping a consistent TRT schedule and dose history. PepTracker Premium (optional upgrade) Unlock more structure and flexibility for advanced protocols: • Unlimited protocols and peptide stacking in a single schedule. • Advanced scheduling options and extended calendar views. • Save calculator results directly into protocols. • Full protocol history plus mood and energy tracking. • Export logs to CSV/PDF and sync with external calendars (Apple and Google). PepTracker is built for people who take their peptides and GLP-1 protocols seriously and want a clear, reliable way to stay organized. Download PepTracker today and simplify your peptide tracking—one dose at a time. https://peptracker.app/terms-of-service https://peptracker.app/privacy-policy Disclaimer: PepTracker is for informational and tracking purposes only and does not provide medical advice. Always consult a qualified healthcare provider before starting, changing, or stopping any medication or peptide protocol.

About

Protocol

Features
Read full description

Protocol is a private logbook for anyone running a hormone, peptide or supplement protocol. It holds what you take, tells you when to take it, does the syringe maths, and shows you what your bloodwork is doing about it. Everything stays on your device. No account. No sign-up. No servers. Nothing to leak. SCHEDULES THAT ACTUALLY FIT Most trackers handle "daily" and give up. Protocol handles every-other-day, every third day, specific weekdays, several doses a day, on/off cycles like 5-on/2-off or 8-weeks-on/4-off, titration ramps that step your dose at set intervals, and fixed start and end dates. Before you save anything, it shows you the next five doses so you can see the schedule is right. REMINDERS THAT HOLD UP Notifications carry Taken and Snooze buttons you can hit from the lock screen. iOS caps every app at 64 pending notifications, so Protocol rebuilds its queue each time you open it and tells you exactly how far ahead you're covered — instead of quietly dropping the ones that don't fit. RECONSTITUTION, DRAWN TO SCALE Enter what's in the vial and how much water you added. Protocol converts each dose to units and draws the fill line on a to-scale U-100 syringe. It handles mg and mcg, tells you how many doses the vial holds, and warns you when a dose won't fit the barrel. SITE ROTATION A body map that colours every injection site by how recently you used it and suggests the one you've left alone longest. Subcutaneous and intramuscular sites, tracked across every compound. BLOODWORK THAT MEANS SOMETHING Log a panel by hand, or copy the text off your results and paste it — Protocol reads it and shows you every value it found for you to confirm before anything is saved. Around 30 markers: total and free testosterone, sensitive estradiol, SHBG, LH, FSH, hematocrit, IGF-1, lipids, liver, PSA and more, each with its own trend line. Two things make the trends readable. Every dose change you make is marked on the chart, so you can see what moved and when. And each panel is tagged trough, mid-cycle or near-peak based on when you drew it relative to your last injection — because a trough reading and a peak reading are not the same measurement. Protocol will also tell you when your next trough window falls. INVENTORY Counts down as you log doses, warns you before you run out, projects the date you'll run dry, and tracks the discard date on a reconstituted vial. STACKS Save an entire protocol as one thing — every compound, dose and schedule — and apply it, edit it, or hand it to someone as a share code. Import theirs the same way. Bring across their structure and set your own doses, or take it as-is. Tag stacks so they stay findable. FOR YOUR CLINICIAN Generate a single PDF: current protocol, adherence, every lab panel with draw timing, and your full dose-change history. Something to hand over instead of describing from memory. ALSO Travel mode shifts every dose time at once. Full light and dark. Haptics. JSON export. WHAT PROTOCOL IS NOT It does not recommend compounds, doses or protocols, and it ships none of its own. It records what you enter and does the arithmetic you ask for. It is not a substitute for a clinician — particularly for anything involving hormones or prescription medication. Reference ranges shown on lab charts are commonly cited adult intervals that vary by laboratory and assay; they are context for your own reading, not targets. PRICING A 7-day free trial, then $39.99 a year. Or pay $99.99 once and own it permanently. No free tier, no ads, no data collection, no upsells. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://wisejester-sudo.github.io/protocol/privacy.html

Screenshots

PepTracker4 screens
Protocol4 screens

Verdict

The call

The clearest difference is iOS requirement: Protocol at 15.1 against PepTracker's 18. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PepTracker sells 2 in-app purchases, starting at $4.99 per month and Protocol sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
PepTracker versus Protocol: the parameters behind the verdict, then further details
ParameterPepTrackerProtocol
PriceFreeFree
Rating4.7 (413 ratings) — better—
Positive reviews77.4% of reviews—
Number of ratings413 — better—
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPod — better
Requires iOS1815.1 — better
Further details — not scored
Size17 MB40 MB
Age rating17+17+
DeveloperJayven Alan Villagomez PeredoKevin Marsh

Bugs and requests

PepTracker

Reported bugs

1 issue
  • Units function not working

Requested features

2 requests
  • Support for more units of measurement
  • Ability to track more than 2 protocols

Protocol

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

PepTracker

Subscriptions2
  • Monthly$4.991 Month
  • Yeary7 Days trial$47.991 Year
2 purchases

Protocol

Subscriptions1
  • Annual7 Days trial$39.991 Year
One-time1
  • Lifetime$99.99

Questions

Is PepTracker free?
PepTracker is free to download, with in-app purchases available.
Is Protocol free?
Protocol is free to download, with in-app purchases available.
Do PepTracker or Protocol have ads?
Neither PepTracker nor Protocol shows ads.

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