Comparison

Marquer vs Cortex

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

Head to head
About

Marquer

Features
Read full description

Your blood test results tell a story. Marquer helps you read it. Track lab results from blood tests, metabolic panels, and specialized screenings all in one place. See where each value falls within normal ranges, watch how your biomarkers change over time, and understand what your numbers actually mean. SMART LAB REPORT SCANNING Skip the manual work. Take a photo of your lab report or upload a PDF, and Marquer uses AI to extract your results automatically. Review each value before saving — you stay in control. 19 BIOMARKER CATEGORIES From Complete Blood Count and Lipid Panels to Thyroid, Liver Function, Kidney markers, Cardiac markers, Iron, Vitamins, Hormones, and more. Marquer covers the tests that matter most to you. VISUAL HEALTH DASHBOARD Your Health screen gives you the big picture. See which biomarkers need attention, spot trends before they become problems, and track your overall health score as you add more results. HISTORICAL CHARTS & TRENDS Every measurement is plotted over time with clear normal range indicators. Filter by time period, compare values across visits, and identify patterns that a single test report cannot reveal. FLEXIBLE UNITS & PERSONALIZATION Choose metric (SI) or imperial (US) units globally, or set preferred units per biomarker. Normal ranges adjust for your age, sex, and pregnancy status — your data, displayed your way. APPLE HEALTH SYNC Sync supported biomarkers like Glucose, Hemoglobin A1C, Cholesterol, and Vitamin D directly to Apple Health. DATA EXPORT Download your complete measurement history as a CSV spreadsheet or a formatted PDF report for sharing with your doctor. PRIVACY FIRST Your health data is encrypted and stored securely. Marquer does not sell or share your data with third parties. Delete your account and all data at any time. Start tracking today — your future self will thank you. Terms of Use (EULA): https://www.marquer.app/en/terms Privacy Policy: https://marquer.app/en/privacy

About

Cortex

This AI-powered coach helps you build and optimize a personalized supplement regimen based on your goals and sensitivities. It tracks your progress, provides research-backed compound information, and offers cycling schedules. Access requires a subscription.

Highlights
  • Personalized supplement stack creation
  • AI research coach for optimization
  • Daily tracking with correlation analysis
  • Compound profiles with evidence tiers
  • Research summaries on interactions
  • Cycling and washout schedules
Features
Read full description

Stop guessing which supplements actually work. Cortex builds your personalized protocol, tracks how you feel, and tells you what's moving the needle and what to cut. Your AI coach. Your data. Your optimized stack. Tell Cortex your goals, sensitivities, and current regimen, and the AI coach builds a personalized stack you can actually follow, then helps you adjust it over time. Every compound is shown with its evidence tier, and recommendations are backed by citations to the research behind them, so you can see why something is suggested and weigh it with your own clinician. A Cortex membership is required to access your personalized stack and the AI coach. Membership includes: - A personalized stack built around your goals, sensitivities, and current regimen - An AI research coach for stack questions and optimization — educational information, not medical advice - Daily tracking with correlation analysis, so you can see what's actually working - Compound profiles with evidence tiers and citations to peer-reviewed and institutional sources (PubMed / NIH) - Research summaries on potential compound interactions - Cycling schedules and washout tracking Cortex requires an auto-renewing subscription to access your personalized stack and the AI coach. Payment is charged to your Apple ID at confirmation of purchase. Your subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cortexprotocol.app/privacy Terms & Conditions: https://cortexprotocol.app/terms support@cortexprotocol.app Disclaimer: Cortex provides educational wellness information and tracking tools. It does not provide medical advice, diagnosis, treatment, or dosing instructions, and is not a substitute for professional medical care. Always consult a qualified healthcare professional before starting any supplement, changing your regimen, or making any medical decision.

Screenshots

Marquer4 screens
Cortex4 screens

Verdict

The call

The clearest difference is iOS requirement: Marquer at 15.1 against Cortex's 17.0. On price, ads, in-app purchases and device support 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. Marquer sells 2 in-app purchases, starting at $6.99 per month and Cortex sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Marquer versus Cortex: the parameters behind the verdict, then further details
ParameterMarquerCortex
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequency—Every 11 days
AdsNoNo
In-app purchasesYesYes
Monetization—Subscription
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size37 MB11 MB
Age rating17+17+
DeveloperBoris GoncharovGrimes AI LLC

In-app purchases

2 purchases

Marquer

Subscriptions2
  • Marquer Plus Monthly$6.991 Month
  • Marquer Plus Annual$47.991 Year
2 purchases

Cortex

Subscriptions2
  • Cortex (Monthly)1 Month trial$19.991 Month
  • Cortex (Annual)1 Year trial$139.991 Year

Questions

Is Marquer free?
Marquer is free to download, with in-app purchases available.
Is Cortex free?
Cortex is free to download, with in-app purchases available.
Do Marquer or Cortex have ads?
Neither Marquer nor Cortex shows ads.

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