Comparison

The Peptide App vs PeptideBros

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

Head to head
About

The Peptide App

This app helps you manage your peptide vials, create custom schedules with reminders, and track your progress with various health metrics. It also includes a peptide library for research and vendor price comparisons. All features are free to use.

Highlights
  • Manual vial tracking with photos and notes
  • Customizable schedules and reminders
  • Protocol and stack organization
  • Peptide library and research resources
  • Progress tracking for health metrics
  • Vendor price comparison
Features
Read full description

The Peptide App brings your vial records, schedules, reminders, research, and progress together. Every feature is free, with no subscription. Manual vial tracking Keep a personal record of each vial, including its name, label text, photo, supplier, lot, dates, and notes. Choose its status yourself and add dated activity entries. Your records reflect the information you enter. Schedules and reminders Create your own schedule using information you already have. Set your own times, receive reminders, and log, reschedule, or skip an entry. Start a schedule from a vial's name, then review your entries before saving. Protocols and stacks Organize multiple items and keep their schedules together. Peptide library and research Explore educational peptide information and source references. Keep topics you want to discuss with your healthcare provider close at hand. Progress tracking Record weight, body measurements, sleep, energy, mood, recovery, lab markers, and other metrics that matter to you. Add progress photos and review check-ins over time. Vendor prices Browse vendor pricing alongside peptide information. Private by default Your records and photos are yours. We don't sell your data, and you can delete your account anytime. The Peptide App is for educational and informational purposes only and is not medical advice. Always consult a qualified healthcare provider about medication and treatment decisions. By using The Peptide App you consent to the standard App Store End User License Agreement. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PeptideBros

This app helps researchers meticulously track peptide injection protocols, log doses, and monitor progress. It offers features like custom protocol creation, automated injection site rotation, and streak tracking for motivation. An integrated encyclopedia provides factual information on common research peptides.

Highlights
  • Custom peptide protocol creation
  • Automated injection site rotation
  • Dose logging with site and feeling score
  • Streak tracking for motivation
  • Adherence rate and pattern analytics
  • Research peptide encyclopedia
  • Journaling and notes
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

The Peptide App4 screens
PeptideBros4 screens

Verdict

The call

The clearest difference is in-app purchases: The Peptide App at none against PeptideBros's 2. The Peptide App also leads on update cadence (every 5 days vs every 3 weeks) and ratings volume (117 vs 5). PeptideBros's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 90%). On price, ads, device support and iOS requirement 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. PeptideBros sells 2 in-app purchases, starting at $4.99 per month. The Peptide App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PeptideBros holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: The Peptide App has 117 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 90% of The Peptide App's written reviews are positive against 100% of PeptideBros's.

UpkeepUpdate frequency

The Peptide App ships an update every 5 days, PeptideBros every 3 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
The Peptide App versus PeptideBros: the parameters behind the verdict, then further details
ParameterThe Peptide AppPeptideBros
PriceFreeFree
Rating4.6 (117 ratings)5.0 (5 ratings) — better
Positive reviews90.5% of reviews100.0% of reviews — better
Number of ratings117 — better5
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size92 MB44 MB
Age rating17+4+
DeveloperThe Peptide App LLCAdam Farrar

Customer experience

The Peptide App

All ratings117 ratings
Positive89.7%
Neutral3.4%
Negative6.8%
Written reviews21 reviews
Positive90.5%
Neutral4.8%
Negative4.8%

PeptideBros

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

In-app purchases

None

The Peptide App

No in-app purchases

2 purchases

PeptideBros

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

Questions

Is The Peptide App free?
The Peptide App is free to download, with no in-app purchases.
Is PeptideBros free?
PeptideBros is free to download, with in-app purchases available.
Which has better reviews, The Peptide App or PeptideBros?
PeptideBros is rated higher. The Peptide App averages 4.6 out of 5 from 117 ratings, while PeptideBros averages 5.0 from 5 ratings.
Do The Peptide App or PeptideBros have ads?
Neither The Peptide App nor PeptideBros shows ads.
Which is updated more often, The Peptide App or PeptideBros?
The Peptide App ships an update every 5 days, and PeptideBros every 3 weeks. Most recently, The Peptide App was updated on October 31, 2026 and PeptideBros on October 24, 2026.

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