PepPedia vs PeptideBros
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PepPedia
An educational reference for peptide research, offering a comprehensive library of peptide profiles, personal tracking tools for notes and inventory, and helpful math calculators. Securely sync your data across devices to stay organized and informed.
- Peptide research library
- Personal notes and logs
- Inventory and expiration tracking
- Personal metrics logging
- Reconstitution calculator
- Concentration math helper
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PepPedia is an educational reference companion for those researching peptides. Browse information, track your personal notes, and stay organized. Research Library • Browse 80+ peptide profiles with detailed information • Molecular data, mechanisms of action, and published research • Citations and references to scientific studies • Save compounds to your personal library Personal Journal • Create notes and logs for your own records • Timestamp entries and add personal annotations • Organize by category • View your complete history Inventory Organizer • Track supplies, quantities, and expiration dates • Get low-stock and expiration reminders • Stay organized Personal Metrics • Log weight and personal notes • Track trends over time PepPedia Pro • Unlimited protocols and inventory items (free includes 20 of each) • AI assistant for peptide research questions • Stacking interaction checks between compounds • Active level chart for the doses you log • Lab monitoring with trends over time • Personalized insights from your logs and health data • Protocol audit log of every change • Data export to CSV • New features as they are released Your data syncs securely across devices. Start tracking smarter today. This app does not provide medical advice, diagnoses, or treatment recommendations. Information is for educational purposes only. Consult a healthcare provider for medical decisions. Terms of Service (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pep-pedia.org/privacy
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.
- 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
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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
Verdict
The clearest difference is review sentiment: PeptideBros at 100% against PepPedia's 53%. PeptideBros also leads on rating (5.0 vs 3.6). PepPedia's advantage is update cadence (every 6 days vs every 3 weeks) and ratings volume (77 vs 5). 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
Both are free to download. PepPedia sells 2 in-app purchases, starting at $6.99 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.
PeptideBros holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: PepPedia has 77 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 53% of PepPedia's written reviews are positive against 100% of PeptideBros's.
PepPedia ships an update every 6 days, PeptideBros every 3 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | PepPedia | PeptideBros |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (77 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 52.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 77 — better | 5 |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | PepPedia, Inc. | Adam Farrar |
Customer experience
PepPedia
PeptideBros
In-app purchases
PepPedia
- Peppedia Pro Monthly1 Month trial$6.991 Month
- Peppedia Pro Yearly$19.991 Year
PeptideBros
- Lab Notebook Monthly$4.991 Month
- Lab Notebook (Annual)$39.991 Year
Questions
Is PepPedia free?
Is PeptideBros free?
Which has better reviews, PepPedia or PeptideBros?
Do PepPedia or PeptideBros have ads?
Which is updated more often, PepPedia or PeptideBros?
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