Comparison

Dose vs PeptideBros

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

Head to head
About

Dose

This app helps users track and understand their peptide protocols. It visualizes compound decay in the body and offers tools for logging doses, photos, and bloodwork. Features include a calculator for precise mixing and custom scheduling for various protocols.

Highlights
  • Peptide calculator for precise mixing
  • Half-life modeling for compound tracking
  • Custom frequency scheduling
  • Side effect tracking
  • Progress photo timeline
  • Secure document uploads
Read full description

Track every dose. Know what’s next. See the bigger picture. Dose is the privacy-first peptide tracker and dose log trusted by thousands of users. Track peptides, GLP-1s, TRT, supplements, medications, and custom compounds in one organized place—without relying on spreadsheets or scattered notes. BUILT FOR REAL PROTOCOLS Log a dose in seconds, create flexible schedules, set reminders, plan cycles and stacks, and keep a complete history of what you took and when. KNOW WHAT’S ACTIVE See estimated peptide and compound levels rise and fall between doses using half-life modeling based on your logs. Visualize how compounds overlap across a stack and review patterns over time. STAY AHEAD OF INVENTORY Track vials, bottles, remaining supply, doses left, and low-stock alerts. Inventory updates as you log so you always know what’s available. CONNECT PROTOCOLS TO PROGRESS Track: • Body weight and custom metrics • Side effects, mood, energy, focus, and libido • Progress photos and personal notes • Bloodwork results and reference ranges • Trends across protocols and time periods APPLE HEALTH INSIGHTS Connect Apple Health to view sleep, HRV, resting heart rate, and weight alongside your protocol history. Dose reads only the data you choose and never writes to Apple Health. MORE WAYS TO STAY CONSISTENT • Smart reminders and missed-dose alerts • Custom frequencies, including every X days • Planned stacks, phases, and rest periods • Today widget and calendar history • Injection-site logging • Backup and restore through Files or iCloud Drive • Support for mg, mcg, IU, mL, and more • Rich journaling and document uploads PRIVATE BY DESIGN Your protocol data, photos, and documents are stored locally unless you choose to export a backup. Dose is designed to give you control over your information. START FREE. UNLOCK MORE WITH DOSE PRO. Use Dose free with limited logs and features. Dose Pro unlocks unlimited use. IMPORTANT Dose is for personal tracking and education only. It does not provide medical advice, recommend dosages, or direct treatment decisions. Calculations and estimated active levels are based on values you enter and may not reflect individual physiology. Always consult a qualified healthcare professional before starting, changing, or stopping a medication or protocol. SUBSCRIPTION DETAILS Dose Pro is required for unlimited use. Payment is charged to your Apple ID at confirmation. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in Settings → Apple ID → Subscriptions. For support or feedback, contact support@protocoltracker.app Privacy Policy: https://www.protocoltracker.app/privacy Terms of Service: https://www.protocoltracker.app/terms

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

Dose4 screens
PeptideBros4 screens

Verdict

The call

The clearest difference is review sentiment: PeptideBros at 100% against Dose's 75%. PeptideBros also leads on rating (5.0 vs 4.7) and iOS requirement (15.0 vs 17.6). Dose's advantage is ratings volume (99 vs 5). On price, update cadence, 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. Dose sells 3 in-app purchases, starting at $4.99 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 4.7. That said, the two scores are not equally well evidenced: Dose has 99 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of Dose's written reviews are positive against 100% of PeptideBros's.

UpkeepUpdate frequency

Dose ships an update every 2 weeks, PeptideBros every 3 weeks. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
Dose versus PeptideBros: the parameters behind the verdict, then further details
ParameterDosePeptideBros
PriceFreeFree
Rating4.7 (99 ratings)5.0 (5 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings99 — better5
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size23 MB44 MB
Age rating12+4+
DeveloperAlec SmithAdam Farrar

Customer experience

Dose

All ratings99 ratings
Positive91.9%
Neutral2.0%
Negative6.1%
Written reviews12 reviews
Positive75.0%
Neutral8.3%
Negative16.7%

PeptideBros

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

In-app purchases

3 purchases

Dose

Subscriptions2
  • Dose Pro Monthly$4.991 Month
  • Dose Pro Annual$14.991 Year
One-time1
  • Dose Pro Annual$24.99
2 purchases

PeptideBros

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

Questions

Is Dose free?
Dose 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, Dose or PeptideBros?
PeptideBros is rated higher. Dose averages 4.7 out of 5 from 99 ratings, while PeptideBros averages 5.0 from 5 ratings.
Do Dose or PeptideBros have ads?
Neither Dose nor PeptideBros shows ads.
Which is updated more often, Dose or PeptideBros?
Dose ships an update every 2 weeks, and PeptideBros every 3 weeks. Most recently, Dose was updated on October 19, 2026 and PeptideBros on October 2, 2026.

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