Comparison

The Peptide App vs PepStack Pro

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

PepStack Pro

This app provides a comprehensive database of peptides, personalized protocol recommendations, and tools to track your peptide journey. Monitor injections, log progress, and check for interactions to optimize your health and wellness goals safely.

Highlights
  • Peptide database with clinical data
  • Personalized peptide recommendations
  • Interaction checker for peptide safety
  • Physician-designed protocol templates
  • Injection schedule and dose tracking
  • Lab and progress journaling
  • Direct physician connection
Features
Read full description

PepStack Pro is the most comprehensive peptide reference and protocol tracking app available. Whether you're exploring your first peptide or managing an advanced stack, PepStack Pro gives you the clinical data, dosing protocols, and tracking tools you need to optimize safely. PEPTIDE DATABASE Browse 40+ peptides with detailed clinical information including descriptions, mechanisms of action, and side effects. From BPC-157 to semaglutide, GHK-Cu to epithalon — it's all here. PERSONALIZED STACKS Take our guided quiz to find the right peptides for your goals — fat loss, muscle growth, longevity, sleep, cognitive enhancement, healing, and more. Get expert-curated recommendations tailored to your goals. INTERACTION CHECKER Check for potential conflicts between peptides before adding them to your stack. Know what's safe to combine, what needs caution, and what to avoid. PROTOCOL TEMPLATES Start with physician-designed protocol templates for common goals like fat loss, recovery, muscle building, and longevity. One tap to set up your entire protocol. PROTOCOL TRACKER Set up your injection schedule, track your daily doses, and never miss a pin. Full calendar view with cycle tracking, dose amounts, and scheduling by day of the week. INJECTION LOGGER Log every injection with site rotation tracking, mood ratings, and personal notes. Build a complete history of your peptide journey. LAB TRACKER Track bloodwork and lab results over time. Monitor 28+ biomarkers with color-coded reference ranges to ensure your protocols are working safely. PROGRESS JOURNAL Document your journey with notes, mood and energy ratings, and photos. See trends over time and share progress with your provider. DOSING PROTOCOLS (Premium) Unlock detailed dosing protocols, reconstitution guides, cycle lengths, optimal timing, and stacking recommendations for every peptide in the database. PHYSICIAN-GUIDED Connect directly with board-certified physicians specializing in peptide therapy and longevity medicine through our integrated MyFlowMD provider network. DISCLAIMER PepStack Pro is an educational reference tool. It does not provide medical advice, diagnoses, or treatment recommendations. Always consult a qualified healthcare provider before starting any peptide protocol. Terms of Use: https://www.pepstackpro.com/terms

Screenshots

The Peptide App4 screens
PepStack Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: The Peptide App at none against PepStack Pro's 2. The Peptide App also leads on ratings volume (117 vs 12). PepStack Pro's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 90%). On price, update cadence, 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. PepStack Pro sells 2 in-app purchases, starting at $8.99 per month. The Peptide App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PepStack Pro 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 12, 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 PepStack Pro's.

UpkeepUpdate frequency

The Peptide App ships an update every 5 days, PepStack Pro every 8 days. Both last shipped on October 31, 2026.

Scorecard6 real differences · 4 level
The Peptide App versus PepStack Pro: the parameters behind the verdict, then further details
ParameterThe Peptide AppPepStack Pro
PriceFreeFree
Rating4.6 (117 ratings)5.0 (12 ratings) — better
Positive reviews90.5% of reviews100.0% of reviews — better
Number of ratings117 — better12
Update frequencyEvery 5 days — betterEvery 8 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size92 MB39 MB
Age rating17+17+
DeveloperThe Peptide App LLCMyFlowMD, LLC

Customer experience

The Peptide App

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

PepStack Pro

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

The Peptide App

No in-app purchases

2 purchases

PepStack Pro

Subscriptions2
  • PepStack Pro Premium7 Days trial$8.991 Month
  • PepStack Pro Premium7 Days trial$49.991 Year

Questions

Is The Peptide App free?
The Peptide App is free to download, with no in-app purchases.
Is PepStack Pro free?
PepStack Pro is free to download, with in-app purchases available.
Which has better reviews, The Peptide App or PepStack Pro?
PepStack Pro is rated higher. The Peptide App averages 4.6 out of 5 from 117 ratings, while PepStack Pro averages 5.0 from 12 ratings.
Do The Peptide App or PepStack Pro have ads?
Neither The Peptide App nor PepStack Pro shows ads.
Which is updated more often, The Peptide App or PepStack Pro?
The Peptide App ships an update every 5 days, and PepStack Pro every 8 days. Most recently, The Peptide App was updated on October 31, 2026 and PepStack Pro on October 31, 2026.

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