Comparison

Peptide Tracker & Calculator vs PeptideBros

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

Head to head
About

Peptide Tracker & Calculator

This app helps you meticulously track and calculate peptide dosages, inventory, and injection sites. It provides smart alerts for low stock and detailed logs of your usage history for research, fitness, or therapeutic protocols. Your data is stored securely and privately on your device.

Highlights
  • Comprehensive peptide inventory management
  • Precise dosing log and calculation support
  • Intelligent injection site rotation tracking
  • Smart low stock alerts
  • Detailed dose history review
  • Secure local data storage
Features
Read full description

The Ultimate Peptide Tracker & Calculator for All Your Protocols Take control of your peptide journey! Whether you're deep into peptide research, optimizing for fitness with performance peptides, aiding recovery with compounds like BPC-157 or TB-500, exploring biohacking protocols, or managing GLP-1 agonists like Semaglutide and Tirzepatide, Peptide Tracker & Calculator is your essential management tool. Stop relying on messy notes or complex spreadsheets – track everything accurately in one secure, easy-to-use app. Comprehensive Peptide Inventory Management: Log Any Peptide: Maintain a detailed database of all your compounds – from research peptides and GHRP/GHRH analogs (like CJC-1295 or Ipamorelin) to healing peptides and GLP-1s. Track Critical Vial Data: Record concentration (mg/mcg), units, vial size (ml), diluent (e.g., BAC water), date, storage conditions (fridge/freezer), source, batch number, and expiration dates. Essential for consistency and safety across all peptide protocols. Smart Low Stock Alerts: Visual indicators warn you when any peptide vial is running low, helping you reorder before interrupting your research, peptide cycle, or therapy. Precise Dose Logging: Accurate Dose Recording: Log every administration with meticulous detail: specific peptide used, dose amount (mg/mcg/IU), date/time, method/site (subcutaneous, intramuscular), and personal notes for context (e.g., "pre-workout," "post-injury"). Complete Dose History: Review your entire usage history for any tracked peptide. Filter logs by compound (e.g., view all BPC-157 doses) to analyze patterns, effectiveness, and adherence. Perfect for managing complex peptide stacks or cycles. Intelligent Injection Site Rotation: Smart Site Tracking: Maintain a personalized map of injection sites with customizable rest periods for optimal absorption and tissue recovery. Rotation Recommendations: Receive intelligent suggestions for your next injection site based on usage history and proper rotation patterns. Site Status Monitoring: Color-coded indicators show which sites are ready for use, need rest, or are inactive, helping prevent site overuse and associated complications. Find Information Instantly: Quick Search: Locate specific peptides, inventory details, or past dose logs in seconds. Privacy You Can Trust: Your peptide usage and research data are confidential. All information entered into Peptide Tracker & Calculator is stored securely and locally on your device only. We never access, collect, or store your personal data. Master Your Peptide Regimen: Peptide Tracker & Calculator is the indispensable tool for researchers, athletes, biohackers, and anyone utilizing peptides for performance, recovery, longevity, or wellness. Download today and bring precision and organization to your peptide management! Subscription Information: • Monthly and annual subscription options available • Annual subscription includes a 3-day free trial • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current period • Account will be charged for renewal within 24 hours prior to the end of the current period • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription Privacy Policy: https://glp1.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PeptideBros

This app helps researchers manage and track their peptide injection protocols. It allows for custom protocol creation, detailed injection logging, and monitoring of progress over time. Features include streak tracking, adherence analytics, and an in-app peptide encyclopedia.

Highlights
  • Custom peptide protocol creation
  • Detailed injection logging
  • Automatic injection site rotation
  • Streak tracking for motivation
  • Adherence and analytics reporting
  • In-app peptide encyclopedia
  • Journal and notes for research experience
Features
Read full description

PeptideBros is the #1 research peptide tracker for managing injection protocols, logging doses, and monitoring your progress over time. Built by researchers, for researchers. Whether you're tracking BPC-157, TB-500, GLP-1, or any other research peptide, PeptideBros gives you a simple, focused tool to stay consistent, organized, and informed. PEPTIDE PROTOCOL MANAGEMENT Create custom peptide protocols with your preferred dose, frequency, and schedule. Support for daily dosing, custom patterns (e.g. Mon/Wed/Fri), and interval-based schedules. Set your start date and let the app handle the rest. INJECTION LOGGING Log every injection in seconds — dose, injection site, feeling score, and notes. The app automatically rotates through your injection sites and tracks which site is next. Never lose track of where you injected last. STREAK TRACKING Stay motivated with automatic streak counting. Complete your scheduled doses and watch your streak grow. Miss a day and it resets — keeping you accountable to your protocol. ADHERENCE & ANALYTICS See your adherence rate across any time period. Understand your patterns with clear stats — daily, weekly, and monthly views. Track how consistently you're following your peptide protocol. INJECTION SITE MANAGEMENT Manage all your injection sites — abdomen, flanks, thighs, and more. The app tracks rotation automatically and shows your site history. No more guessing where to inject next. PEPTIDE ENCYCLOPEDIA Reference common research peptides directly in the app. Learn about mechanisms of action, typical dosing ranges, and half-lives. All reference material, no medical advice — just the facts. JOURNAL & NOTES Keep a daily journal alongside your tracking. Log how you're feeling, note any side effects, and build a personal record of your research experience over time. FREE TO START Create your first peptide protocol and start tracking immediately — no credit card required. The free tier includes one protocol, a 30-day journal, and basic analytics. LAB NOTEBOOK — UNLOCK EVERYTHING Upgrade to Lab Notebook for the full experience: • Unlimited peptide protocols and stacks • Extended journal history • Advanced analytics and adherence insights • Full peptide encyclopedia access • Data export (CSV) • HealthKit integration (steps & sleep alongside your logs) Lab Notebook is available as a monthly or annual subscription. Annual saves 33%. PRIVACY & SECURITY Your data is yours. No ads. No selling data to third parties. End-to-end encrypted with Supabase. Account deletion available at any time from Settings. IMPORTANT DISCLAIMER PeptideBros is a data tracking and journaling tool. It does not provide medical advice, dosing recommendations, or treatment guidance. Always consult a qualified healthcare professional before starting any peptide protocol. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Peptide Tracker & Calculator4 screens
PeptideBros4 screens

Verdict

The call

The clearest difference is update cadence: Peptide Tracker & Calculator at every 2 days against PeptideBros's every 3 weeks. Peptide Tracker & Calculator also leads on ratings volume (601 vs 5). PeptideBros's advantage is review sentiment (100% vs 71%) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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. Peptide Tracker & Calculator sells 4 in-app purchases, starting at $3.99 per month and PeptideBros 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

PeptideBros holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptide Tracker & Calculator has 601 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 71% of Peptide Tracker & Calculator's written reviews are positive against 100% of PeptideBros's.

UpkeepUpdate frequency

Peptide Tracker & Calculator ships an update every 2 days, PeptideBros every 3 weeks. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

Scorecard4 real differences · 6 level
Peptide Tracker & Calculator versus PeptideBros: the parameters behind the verdict, then further details
ParameterPeptide Tracker & CalculatorPeptideBros
PriceFreeFree
Rating4.8 (601 ratings)5.0 (5 ratings) — better
Positive reviews71.2% of reviews100.0% of reviews — better
Number of ratings601 — better5
Update frequencyEvery 2 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 — better
Further details — not scored
Size69 MB43 MB
Age rating12+4+
DeveloperDavid DzeveckijAdam Farrar

Customer experience

Peptide Tracker & Calculator

All ratings593 ratings
Positive93.8%
Neutral3.0%
Negative3.2%
Written reviews66 reviews
Positive71.2%
Neutral13.6%
Negative15.2%

PeptideBros

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Peptide Tracker & Calculator

Subscriptions4
  • Full App Access (Monthly)$3.991 Month
  • Full App Access (Monthly)$4.991 Month
  • Full App Access (Yearly)3 Days trial$19.991 Year
Show 1 more
  • Full App Access (Yearly)3 Days trial$24.991 Year
2 purchases

PeptideBros

Subscriptions2
  • Lab Notebook Monthly$4.991 Month
  • Lab Notebook (Annual)$39.991 Year

Questions

Is Peptide Tracker & Calculator free?
Peptide Tracker & Calculator is free to download, with in-app purchases available.
Is PeptideBros free?
PeptideBros is free to download, with in-app purchases available.
Which has better reviews, Peptide Tracker & Calculator or PeptideBros?
PeptideBros is rated higher. Peptide Tracker & Calculator averages 4.8 out of 5 from 601 ratings, while PeptideBros averages 5.0 from 5 ratings.
Do Peptide Tracker & Calculator or PeptideBros have ads?
Neither Peptide Tracker & Calculator nor PeptideBros shows ads.
Which is updated more often, Peptide Tracker & Calculator or PeptideBros?
Peptide Tracker & Calculator ships an update every 2 days, and PeptideBros every 3 weeks. Most recently, Peptide Tracker & Calculator was updated on November 12, 2026 and PeptideBros on November 13, 2026.

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