Comparison

Peptides 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

Peptides Calculator

This app helps users log, organize, and manage their peptide preparation process. It offers features for calculating reconstitution details, saving vial records, and accessing educational content. An optional subscription unlocks unlimited entries, enhanced tracking, and multi-device sync.

Highlights
  • Log and calculate reconstitution details
  • Save and organize vial records
  • Browse peptide reference library
  • Access educational videos and articles
  • Track weight over time
  • Multi-device sync (Pro)
Features
Read full description

Peptides Calculator — the all-in-one peptide tracker and reconstitution calculator. Log, organize, and manage your peptide preparation process in one place: reconstitution math, BAC water (bacteriostatic water) amounts, syringe units and mL, vial records, and dose logs. Whether you're engaging in research, personal study, or general wellness tracking, this peptides calculator keeps your information clear and organized. Free Features: Peptide reconstitution calculator — total amount (mg), diluent/BAC water volume, and units per insulin syringe or mL GLP-1 friendly logging — record units, dates, and notes for any peptide protocol Vial tracker — save and organize vial records with preparation dates and usage logs Injection log with site tracking Browse a general peptide reference library Access educational videos and articles Track your weight over time with a simple chart No login required for basic features More Built-In Tools: Fasting timer with Live Activities Meal and macro logging Lab results tracking and charts Dose reminders, streaks, home-screen widgets, Apple Watch app, and iMessage protocol sharing Go Pro – Unlock Even More (Subscription Required): Unlimited vials and log entries Weight & calendar tracking with enhanced charts Multi-device sync (sign in with Apple or Google for secure data access) Priority customer support Early access to new features and Pro-only updates All current and future premium features unlocked A subscription is required for unlimited access to Pro features. You can choose a monthly or yearly plan. Subscription auto-renews unless canceled at least 24 hours before the end of the current period. Manage your subscription anytime in your App Store account settings. Disclaimer Peptides Calculator is intended strictly for personal, educational, and informational purposes. This app is not a medical device and does not provide medical advice, diagnosis, treatment recommendations, or dosage guidance. The app does not suggest or imply the use of any specific peptides, medications, or substances. It is a self-managed logging tool for personal tracking only. Users are advised to consult with a licensed physician or medical professional before making any decisions related to health, medications, supplements, or treatment options. Peptides Calculator is not affiliated with any pharmaceutical company, healthcare institution, or regulatory authority. The app is not intended to replace professional medical consultation, diagnosis, or care. Privacy Policy: https://www.peptidescalculator.app/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Peptides Calculator4 screens
PepTracker4 screens

Verdict

The call

The clearest difference is rating: PepTracker at 4.7 against Peptides Calculator's 4.3. PepTracker also leads on review sentiment (78% vs 55%). Peptides Calculator's advantage is update cadence (every 5 days vs every 3 weeks) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases 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. Peptides Calculator sells 11 in-app purchases, starting at $9.99 per month 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

PepTracker holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 174 and 468 respectively. Written reviews point the same way: 55% of Peptides Calculator's written reviews are positive against 78% of PepTracker's.

UpkeepUpdate frequency

Peptides Calculator ships an update every 5 days, PepTracker every 3 weeks. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Peptides Calculator versus PepTracker: the parameters behind the verdict, then further details
ParameterPeptides CalculatorPepTracker
PriceFreeFree
Rating4.3 (174 ratings)4.7 (468 ratings) — better
Positive reviews54.5% of reviews78.1% of reviews — better
Number of ratings174468 — better
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.6 — better18
Further details — not scored
Size77 MB20 MB
Age rating17+17+
DeveloperSphnix, IncJayven Alan Villagomez Peredo

Customer experience

Peptides Calculator

All ratings173 ratings
Positive82.1%
Neutral5.2%
Negative12.7%
Written reviews55 reviews
Positive54.5%
Neutral20.0%
Negative25.5%

PepTracker

All ratings468 ratings
Positive93.8%
Neutral2.4%
Negative3.8%
Written reviews64 reviews
Positive78.1%
Neutral6.3%
Negative15.6%

User reviews

Peptides Calculator

From 174 App Store ratings

What we love

  • 👍 Easy to save vial info
  • 👍 Nicely set up and laid out
  • 💡 Streaks and last taken feature

Room to improve

  • 🐛 Lost access to previous peptide calculations
  • 🐛 Unable to update streaks and last taken
  • 🐛 Unable to record when a dose was taken

PepTracker

From 468 App Store ratings

What we love

  • 👍 Intuitive and easy to use
  • 🚀 Powerful dose calculator
  • 📊 Helpful for tracking weight loss goals
  • ⏰ Useful reminders for injections
  • 🗂️ Organizes multiple protocols

Room to improve

  • ⚠️ Only allows mcg dosage and calculations

Bugs and requests

Peptides Calculator

Reported bugs

2 issues
  • All vials disappeared after an update
  • Unable to find how to update streaks and last taken

Requested features

4 requests
  • Add shot tracker to record when a dose was taken
  • Allow editing of vial information and dosing
  • Add option to set cycle length in weeks, not just days
  • Allow changing dose for different weeks when titrating

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

Peptides Calculator

Subscriptions10
  • Monthly Premium Access7 Days trial$9.991 Month
  • Family Monthly Premium Access$14.991 Month
  • Premium Plus7 Days trial$14.991 Month
Show 7 more
  • Premium Plus Family (Montly)$19.991 Month
  • Pro Loyalty Yearly$54.991 Year
  • Yearly Premium Access7 Days trial$99.991 Year
  • Premium Plus Loyalty Yearly$99.991 Year
  • Family Yearly Premium Access$149.991 Year
  • Premium Plus (Yearly)7 Days trial$149.991 Year
  • Premium Plus — Family (Yearly)$199.991 Year
One-time1
  • Remove Ads$2.99
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 Peptides Calculator free?
Peptides 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, Peptides Calculator or PepTracker?
PepTracker is rated higher. Peptides Calculator averages 4.3 out of 5 from 174 ratings, while PepTracker averages 4.7 from 468 ratings.
Do Peptides Calculator or PepTracker have ads?
Neither Peptides Calculator nor PepTracker shows ads.
Which is updated more often, Peptides Calculator or PepTracker?
Peptides Calculator ships an update every 5 days, and PepTracker every 3 weeks. Most recently, Peptides Calculator was updated on October 24, 2026 and PepTracker on October 24, 2026.

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