Comparison

Forge Gym vs PeptideBros

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

Head to head
About

Forge Gym

Features
Read full description

With the Forge Gym App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all within this app FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message coaches in real-time - Be part of digital communities to meet people with similar health goals and stay motivated - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

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

Forge Gym4 screens
PeptideBros4 screens

Verdict

The call

The clearest difference is in-app purchases: Forge Gym at none against PeptideBros's 2. Forge Gym also leads on device support (4 vs 2). PeptideBros's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads 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. Forge Gym asks for nothing beyond the download.

UpkeepUpdate frequency

Forge Gym ships an update every 3 months, PeptideBros every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Forge Gym versus PeptideBros: the parameters behind the verdict, then further details
ParameterForge GymPeptideBros
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size192 MB44 MB
Age rating4+4+
DeveloperStrength HQ LTDAdam Farrar

In-app purchases

None

Forge Gym

No in-app purchases

2 purchases

PeptideBros

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

Questions

Is Forge Gym free?
Forge Gym is free to download, with no in-app purchases.
Is PeptideBros free?
PeptideBros is free to download, with in-app purchases available.
Do Forge Gym or PeptideBros have ads?
Neither Forge Gym nor PeptideBros shows ads.
Which is updated more often, Forge Gym or PeptideBros?
Forge Gym ships an update every 3 months, and PeptideBros every 3 weeks. Most recently, Forge Gym was updated on October 30, 2026 and PeptideBros on October 24, 2026.

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