Comparison

Peptide Calculator vs PepTracker

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

Head to head
About

Peptide Calculator

Calculate peptide dosages and reconstitution accurately and quickly. Track your injections with timely reminders and live activities. Save custom formulas and sync across devices for seamless management.

Highlights
  • Peptide dosage calculation
  • Reconstitution guidance
  • Injection time tracking
  • Custom formula saving
  • Widget for daily doses
  • Reminders and Live Activities
  • iCloud sync across devices
Features
Read full description

Get the right peptide dosage in seconds and track your shot's time so you never miss it. Simply enter your peptide information, see the optimal syringe size, and dosage, and save your favorite formulas and cycles to your device. Visualize today’s doses with widget and get Reminders and Live activities so you never miss a shot. With iCloud sync, your peptides, dosages and schedules stay up to date across all your Apple devices—no hassles, just accurate results and easy tracking every time. ======================= If you purchase Peptide Calculator, the payment will be charged to your iTunes account. If you purchase a weekly, monthly or yearly subscription, your account will automatically be charged for renewal within 24 hours prior to the end of the current subscription period unless you disable auto-renew. You can turn off auto-renewal at any time by going to your Account Settings on the App Store after purchase. ======================= Terms of Service: https://pepflow.app/terms-of-service/ Privacy Policy: https://pepflow.app/privacy-policy/

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.

Screenshots

Peptide Calculator4 screens
PepTracker4 screens

Verdict

The call

Peptide Calculator and PepTracker are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Peptide Calculator sells 11 in-app purchases, starting at $0.99 per 7 days and PepTracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Peptide Calculator against 4.7 for PepTracker. Both are backed by a comparable volume of ratings — 424 and 413 respectively. Written reviews are what separate them: 79% of Peptide Calculator's written reviews are positive against 77% of PepTracker's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 15, 2026.

ScorecardNo meaningful differences
Peptide Calculator versus PepTracker: the parameters behind the verdict, then further details
ParameterPeptide CalculatorPepTracker
PriceFreeFree
Rating4.8 (424 ratings) — better4.7 (413 ratings)
Positive reviews78.6% of reviews — better77.4% of reviews
Number of ratings424 — better413
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS18.018
Further details — not scored
Size133 MB17 MB
Age rating4+17+
Developerkeinois OUJayven Alan Villagomez Peredo

Customer experience

Peptide Calculator

All ratings424 ratings
Positive95.5%
Neutral1.2%
Negative3.3%
Written reviews28 reviews
Positive78.6%
Neutral7.1%
Negative14.3%

PepTracker

All ratings413 ratings
Positive93.2%
Neutral2.7%
Negative4.1%
Written reviews62 reviews
Positive77.4%
Neutral6.5%
Negative16.1%

Bugs and requests

Peptide Calculator

Not enough reviews yet to summarise bugs or 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

In-app purchases

11 purchases

Peptide Calculator

Subscriptions11
  • PepFlow PRO (Weekly)3 Days trial$0.997 Days
  • PepFlow PRO (Monthly)3 Days trial$2.991 Month
  • PepFlow PRO (Weekly)3 Days trial$2.997 Days
Show 8 more
  • Peptide PRO (Weekly)3 Days trial2 variants$2.997 Days
  • PepFlow PRO (Weekly)3 Days trial3 variants$3.997 Days
  • PepFlow PRO (Annual)3 Days trial$8.991 Year
  • PepFlow PRO (Monthly)3 Days trial2 variants$9.991 Month
  • Peptide PRO (Annual)3 Days trial$14.991 Year
  • Peptide PRO (Annual)3 Days trial$19.991 Year
  • PepFlow PRO (Annual)3 Days trial2 variants$29.991 Year
  • Peptide PRO (Annual)3 Days trial$44.991 Year
2 purchases

PepTracker

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

Questions

Is Peptide Calculator free?
Peptide Calculator is free to download, with in-app purchases available.
Is PepTracker free?
PepTracker is free to download, with in-app purchases available.
Which has better reviews, Peptide Calculator or PepTracker?
Peptide Calculator is rated higher. Peptide Calculator averages 4.8 out of 5 from 424 ratings, while PepTracker averages 4.7 from 413 ratings.
Do Peptide Calculator or PepTracker have ads?
Neither Peptide Calculator nor PepTracker shows ads.
Which is updated more often, Peptide Calculator or PepTracker?
Peptide Calculator ships an update every 2 weeks, and PepTracker every 2 weeks. Most recently, Peptide Calculator was updated on October 15, 2026 and PepTracker on October 15, 2026.

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