Comparison

Peptify 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

Peptify

This app provides comprehensive tools for tracking peptide protocols, including advanced pharmacokinetic modeling, bloodwork analysis, and educational resources. It helps users monitor their progress, understand compound interactions, and generate reports for healthcare providers.

Highlights
  • Pharmacokinetic modeling
  • Bloodwork analysis and import
  • Research-backed compound library
  • Professional PDF report generation
  • Body composition tracking
  • Educational courses and quizzes
  • Protocol and injection site management
Features
Read full description

Peptify is the most complete peptide protocol tracker on iPhone and Apple Watch: precise tracking, real AI insights, and a full education system. Track every peptide, GLP-1, and TRT shot. Scan your bloodwork. See what's working. WHAT MAKES PEPTIFY DIFFERENT: See exactly when your levels peak. A two-compartment pharmacokinetic engine models your active compound levels in real time from the doses you log, with timing scenarios for a missed dose or a schedule change. Real AI that knows your data. Ask Peptify gives streaming answers grounded in what you track. The Peptify Brain studies your peptides, supplements, blood work, and body scans. Link Apple Health and it sees your sleep, weight, and heart rate too. Every user gets one free AI analysis. Scan your bloodwork. See what changed. Import labs via camera, PDF, or manual entry. 80+ biomarkers, out-of-range flags, and results correlated with your protocol timeline. Every claim is backed by research. PubMed citations across 61 compounds, evidence strength ratings, and mechanisms of action explained. Generate a report your provider will respect. Multi-page PDF exports covering protocol, bloodwork trends, and adherence, plus 5 shareable cards. Track what's happening to your body. 30+ body composition metrics, DEXA and InBody OCR, and progress photos with a before/after slider. TRACK TOGETHER: Community: Share progress, post milestones and protocols, and follow others. Friends: Add friends and control exactly what you share. Invite a friend and you both get 1 week of Pro free. Benchmarks powered by real, anonymous community data. LEARN WHILE YOU TRACK: 4 courses, 32 lessons, and quizzes: fundamentals, research literacy, protocols, and compound deep dives. Daily Challenge, XP, 7 levels, earnable badges, and learning streaks. Two mini-games: Half-Life Rush and Stack Builder. 61-compound library with literature-reported ranges, stacking notes, and safety information. THE COMPLETE TOOLKIT: Supplement tracking with a 60+ entry library: doses, timing, synergies. Reconstitution guide: mixing steps, syringe types, and storage. Protocol builder that records your provider's titration, cycling, and washout schedule. Injection site rotation with a body diagram. Vial inventory with auto-depletion and low-stock alerts. Interaction checker for combination safety and timing conflicts. Smart notifications with snooze and quiet hours. Dynamic Island and Live Activities. Apple Watch app: log a dose in three taps from your wrist, synced to your iPhone instantly. Cost tracking, side effect logging, adherence streaks, and a rearrangeable dashboard. PEPTIFY PRO: Tracking, education, widgets, and the Watch app are free. Pro unlocks unlimited Ask Peptify, full blood work and body composition history, unlimited vials and scans, cost tracking, interaction checker, benchmarks, and provider PDF exports. Monthly, annual, and lifetime options are shown in the app. PRIVATE BY DESIGN: No account required. Everything works on-device from day one. Sign in with Apple or Google is optional; it unlocks Community, Friends, and backup. Optional Face ID or Touch ID app lock. Your health data is never sold. WHO IT'S FOR: Whether you run a single GLP-1 protocol or a multi-compound stack, Peptify helps you track precisely, learn the science, and talk clearly with your provider. DISCLAIMER: Peptify is a personal record-keeper for educational and tracking purposes only. It is not a medical device and does not provide medical advice, diagnosis, treatment recommendations, or dosage guidance. It never calculates, recommends, or adjusts a dose: every amount in the app is one you entered from your prescribing provider's instructions. Always consult a licensed physician before starting, stopping, or changing any medication, supplement, or treatment. Terms of Use: https://peptify.rork.app/terms Privacy Policy: https://peptify.rork.app/privacy

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

Peptify4 screens
PepStack Pro4 screens

Verdict

The call

The clearest difference is rating: PepStack Pro at 5.0 against Peptify's 4.3. PepStack Pro also leads on ads (none vs shown) and review sentiment (100% vs 86%). Peptify's advantage is update cadence (every 4 days vs every 8 days). On price, ratings volume, in-app purchases and monetization model 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. Peptify sells 3 in-app purchases, starting at $4.99 per month and PepStack Pro sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PepStack Pro holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 23 and 11 respectively. Written reviews point the same way: 86% of Peptify's written reviews are positive against 100% of PepStack Pro's.

UpkeepUpdate frequency

Peptify ships an update every 4 days, PepStack Pro every 8 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Peptify versus PepStack Pro: the parameters behind the verdict, then further details
ParameterPeptifyPepStack Pro
PriceFreeFree
Rating4.3 (23 ratings)5.0 (11 ratings) — better
Positive reviews85.7% of reviews100.0% of reviews — better
Number of ratings23 — better11
Update frequencyEvery 4 days — betterEvery 8 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size84 MB39 MB
Age rating4+17+
DeveloperPeptify LLCMyFlowMD, LLC

Customer experience

Peptify

All ratings23 ratings
Positive82.6%
Neutral0.0%
Negative17.4%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

PepStack Pro

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

In-app purchases

3 purchases

Peptify

Subscriptions2
  • Peptify Pro Monthly$4.991 Month
  • Peptify Pro Annual3 Days trial$29.991 Year
One-time1
  • Lifetime Access$89.99
2 purchases

PepStack Pro

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

Questions

Is Peptify free?
Peptify is free to download, with in-app purchases available.
Is PepStack Pro free?
PepStack Pro is free to download, with in-app purchases available.
Which has better reviews, Peptify or PepStack Pro?
PepStack Pro is rated higher. Peptify averages 4.3 out of 5 from 23 ratings, while PepStack Pro averages 5.0 from 11 ratings.
Do Peptify or PepStack Pro have ads?
Peptify shows ads; PepStack Pro does not.
Which is updated more often, Peptify or PepStack Pro?
Peptify ships an update every 4 days, and PepStack Pro every 8 days. Most recently, Peptify was updated on October 9, 2026 and PepStack Pro on October 1, 2026.

Other comparisons