PepStack Pro vs Protocol Peptide Tracker App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Protocol Peptide Tracker App
This app helps users track and calculate peptide dosages, manage supplements, and monitor habits. It offers AI-powered tools for research, protocol building, and data analysis, all while keeping user data private on the device.
- Peptide calculator and reconstitution math
- Comprehensive protocol tracking (compounds, supplements, habits)
- Six AI-powered tools (research, check-in coach, stack score)
- Pharmacokinetic curve visualization
- 81-compound research library
- Injection site rotation with 3D body map
- Bloodwork and lab tracking
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Protocol is a peptide tracker and peptide calculator for people who actually run protocols. Try Pro free for 14 days. No commitment required. Your protocol deserves better than a spreadsheet. Protocol is the only peptide tracker and peptide calculator built for serious self-experimenters. Pharmacokinetic curves, six AI tools, a peptide calculator, injection site rotation, and the only app that tracks peptides, supplements, and habits together in one protocol. Everything stays on your device. No account. No cloud. No one has your data but you. PEPTIDE CALCULATOR AND RECONSTITUTION MATH Enter your peptide amount, vial volume, and target dose. Get exact BAC water volumes and syringe draw units instantly. The concentration slider lets you dial in your preferred draw size. Works for BPC-157, TB-500, Ipamorelin, CJC-1295, Semaglutide, and all 81 compounds in the catalog. COMPLETE PROTOCOL TRACKING The only peptide app that combines compounds, supplements, and habits in one protocol. Run an injury stack with TB-500, BPC-157, daily collagen, and your rehab routine, tracked together with one adherence score. No other app does this. SIX AI TOOLS BUILT IN Research Assistant: Ask anything about your stack in real time. Half-lives, dosing windows, interactions, side effects. Stack-aware answers from research, not generic internet responses. Check-in Coach: After every daily check-in, the AI analyzes your actual logged data and gives you a personalized read on what's working. Stack Score: AI rates your entire protocol across 6 dimensions: synergy, redundancy, side effects, practicality, goal alignment, and evidence quality. Visualized as a radar chart. Interaction Checker: 30 most common peptide pairs analyzed instantly. Synergy, redundancy, timing recommendations, and caution flags. AI Protocol Builder: Describe your goal and the AI generates a full protocol with compounds, doses, and schedules. Review, edit, and activate in one tap. AI Add Item: Research any compound before you add it to your protocol. PHARMACOKINETIC CURVES See exactly where any compound is in your system right now. Peak concentration, half-life decay, and optimal dosing windows visualized in real time as you log doses. All compounds on one chart simultaneously. No other peptide tracker does this. 81-COMPOUND RESEARCH LIBRARY BPC-157. TB-500. Ipamorelin. CJC-1295. Semaglutide. Tirzepatide. Retatrutide. Testosterone. HCG. Rapamycin. NMN. Semax. Selank. PT-141. GHK-Cu. Epitalon. And 65 more. Every compound includes dosing guidance, half-life, reconstitution notes, and a direct link to the full research profile at protocolapp.health. INJECTION SITE ROTATION Interactive 3D body map. Front and back views simultaneously. Tap to log, pinch to zoom. Color-coded history shows rested, recent, today, and never-used sites at a glance. Rotate correctly every time. BLOODWORK AND LAB TRACKING Log testosterone, IGF-1, estradiol, TSH, fasting glucose, and 80+ biomarkers. Track trends over time. Correlate your bloodwork with your protocol timeline. INVENTORY MANAGEMENT Track vials, remaining amounts, batch numbers, expiration dates, and vendor details. Low-stock alerts before you run out mid-cycle. PROGRESS TRACKING Daily wellness check-ins, weight tracking, body measurements, progress photos, and adherence streaks. Navy method body fat calculation. APPLE HEALTH INTEGRATION Reads steps, sleep, and heart rate. Writes weight, body measurements, and mindfulness sessions back to Apple Health. EXPORT EVERYTHING Full data export as CSV or PDF. Dose logs, protocols, weight history, and body metrics shareable with your healthcare provider. PRIVATE BY DESIGN No account required. No cloud sync. No data collection. Everything lives locally on your device. Data Not Collected, verified by Apple. Face ID lock and Stealth Mode available. For personal tracking and educational purposes only. Not medical advice.
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Verdict
PepStack Pro and Protocol Peptide Tracker App are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. PepStack Pro sells 2 in-app purchases, starting at $8.99 per month and Protocol Peptide Tracker App sells 5 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for PepStack Pro against 5.0 for Protocol Peptide Tracker App. Both are backed by a comparable volume of ratings — 11 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
PepStack Pro ships an update every 8 days, Protocol Peptide Tracker App weekly. The most recent releases landed on September 13, 2026 and September 12, 2026 respectively.
| Parameter | PepStack Pro | Protocol Peptide Tracker App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) | 5.0 (9 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 11 — better | 9 |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 39 MB | 49 MB |
| Age rating | 17+ | 17+ |
| Developer | MyFlowMD, LLC | IMA, LLC |
Customer experience
PepStack Pro
Protocol Peptide Tracker App
In-app purchases
PepStack Pro
- PepStack Pro Premium7 Days trial$8.991 Month
- PepStack Pro Premium7 Days trial$49.991 Year
Protocol Peptide Tracker App
- Protocol Pro - Monthly$7.991 Month
- Protocol Pro - Monthly$49.991 Year
- 50 AI Query Credits$0.99
- 200 Query Credits$2.99
- Protocol Pro Lifetime$79.99





