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

The peptide tracker built for people who run real protocols. Track semaglutide, tirzepatide, retatrutide, BPC-157, TB-500, TRT and more, all in one place. Log every injection, get reminded before you miss one, and see how much is left in every vial. Then let PepGuide set up your next protocol in one message, and PepPulse sum up how your week really went. MEET PEPGUIDE: YOUR AI PROTOCOL ASSISTANT • Build a protocol from one sentence, like "Retatrutide 2.5 mg every Sunday" • Ask about your own logs: "How consistent was I with BPC-157 this month?" • Ask general questions about peptides, by text or photo • Pick up any earlier conversation from your chat history MEET PEPPULSE: YOUR STACK, SUMMED UP • A clear AI summary of your week • Dose consistency for every compound in your stack • Symptom, mood and energy trends from your check-ins • Apple Health vitals alongside your protocols NEVER MISS A DOSE • Log each dose in seconds, with notes, exactly as your provider instructed • Daily, twice-daily, weekly, twice-weekly, monthly and custom schedules • Due, upcoming and missed-dose reminders • Vial supply tracking with doses left, days left, and a refill reminder before you run out • Apple Calendar and Google Calendar sync BUILT FOR SERIOUS STACKS • Run multiple compounds in one stacked protocol • Cycling, every-other-day and every-X-days schedules • Starter and advanced protocol templates • A built-in peptide library • A full calendar with month and hour-by-hour week views, plus protocol history and restore SEE YOUR PROGRESS • Weight, body fat, lean body mass and six body measurements • Weight, adherence and body fat goals • Two-way Apple Health sync for weight, body fat and waist • Full history and CSV export START FREE The free plan includes up to 3 protocols, dose logging, reminders, vial supply tracking, calendar sync, the peptide library, and 30 days of weight history. GO PREMIUM Premium unlocks PepGuide and PepPulse with a monthly AI allowance (optional top-ups available), unlimited protocols, stacking, advanced schedules and templates, the full calendar, mood and energy check-ins, body fat and body measurements, editing past entries, full history and exports, and Apple Health integration. Try Premium free for 7 days with the annual plan. Terms of Service: https://peptracker.app/terms-of-service Privacy Policy: https://peptracker.app/privacy-policy MEDICAL DISCLAIMER PepTracker is for informational and tracking purposes only. It does not provide medical advice, diagnosis or treatment, and it does not calculate or recommend doses. AI features help you review and organize your own information. Supply estimates depend on the information you enter and should be independently verified. Consult a qualified healthcare professional before starting, changing or stopping any medication, peptide or treatment 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 8 in-app purchases, starting at $7.99 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 — 437 and 468 respectively. Written reviews split almost evenly too, at 79% and 78% positive.

UpkeepUpdate frequency

Peptide Calculator ships an update every 2 weeks, PepTracker every 3 weeks. Both last shipped on October 24, 2026.

ScorecardNo meaningful differences
Peptide Calculator versus PepTracker: the parameters behind the verdict, then further details
ParameterPeptide CalculatorPepTracker
PriceFreeFree
Rating4.8 (437 ratings) — better4.7 (468 ratings)
Positive reviews78.6% of reviews — better78.1% of reviews
Number of ratings437468 — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS18.018
Further details — not scored
Size133 MB20 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 ratings468 ratings
Positive93.8%
Neutral2.4%
Negative3.8%
Written reviews64 reviews
Positive78.1%
Neutral6.3%
Negative15.6%

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
8 purchases

PepTracker

Subscriptions3
  • Monthly$7.991 Month
  • Yearly1 Year trial$47.991 Year
  • Yeary7 Days trial$47.991 Year
One-time5
  • Small$2.99
  • Standard$6.99
  • Power User$14.99
Show 2 more
  • Premium Lifetime$79.99
  • Premium Lifetime$99.00

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 437 ratings, while PepTracker averages 4.7 from 468 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 3 weeks. Most recently, Peptide Calculator was updated on October 24, 2026 and PepTracker on October 24, 2026.

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