Comparison

Stack Tracker AI vs Cortex

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

Head to head
About

Stack Tracker AI

Effortlessly track, analyze, and optimize your supplement intake for improved wellness and fitness. Gain AI-powered insights, set flexible schedules, and visualize your progress with secure, private data storage.

Highlights
  • Seamless daily supplement tracking
  • AI-powered insights and trends
  • Flexible dose scheduling
  • Advanced progress visualizations
  • Private and secure data storage
  • Customizable supplement types
Features
Read full description

Take Control of Your Wellness Journey Master your supplement regimen with Stack Tracker AI, the ultimate app for tracking, analyzing, and optimizing your health. Whether you’re enhancing your fitness, boosting focus, or improving overall well-being, Stack Tracker AI makes it effortless to stay consistent and see results. Why Choose Stack Tracker AI? • Seamless Daily Tracking Log your supplements and assessments with a clean, intuitive interface designed to simplify your routine. • AI-Powered Insights Discover patterns and correlations between supplements and wellness traits. Unlock personalized trends to guide smarter decisions. • Flexible Scheduling Set up customizable dose schedules that fit your lifestyle—daily, every other day, or on specific days. • Advanced Visualizations See your progress clearly with dynamic charts and graphs that bring your data to life. • Private and Secure Your data stays on your device, synced securely via iCloud, with no external storage or sharing. • Customizable Options Choose from hundreds of included supplement and assessment types, or create your own to track exactly what matters most to you. Features at a Glance • Effortless dose logging with tailored reminders. • AI-powered trends and insights to improve adherence. • Customizable supplement types, assessment types, and dose units. • Secure data storage with offline functionality. • Advanced visualizations to monitor trends over time. • Notifications and badge counts to help you stay on track Who Is This App For? Stack Tracker AI is perfect for fitness enthusiasts, wellness seekers, and anyone looking to optimize their health with precision and ease. Whether you’re a beginner or a seasoned pro, our app adapts to your needs. Achieve Your Goals, Your Way Say goodbye to forgotten doses and guesswork. Stack Tracker AI empowers you to take charge of your wellness journey with confidence. Download Stack Tracker AI today and unlock the power of precision tracking! You can get started for free, and when you're ready to add additional tracking, upgrade to the pro version. Let me know if you’d like to add more details or emphasize specific features further! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Stack Tracker AI4 screens
Cortex4 screens

Verdict

The call

The clearest difference is review sentiment: Cortex at 100% against Stack Tracker AI's 0%. Cortex also leads on rating (5.0 vs 4.0) and iOS requirement (17.0 vs 26.0). Stack Tracker AI's advantage is monetization model (freemium vs subscription). On price, ratings volume, update cadence and ads 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. Stack Tracker AI sells 2 in-app purchases, starting at $1.99 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.

ReceptionRating · Positive reviews · Number of ratings

Cortex holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 0% of Stack Tracker AI's written reviews are positive against 100% of Cortex's.

UpkeepUpdate frequency

Stack Tracker AI ships an update fortnightly, Cortex every 11 days. The most recent releases landed on September 17, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Stack Tracker AI versus Cortex: the parameters behind the verdict, then further details
ParameterStack Tracker AICortex
PriceFreeFree
Rating4.0 (2 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings25 — better
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium — betterSubscription
DevicesiPhone, iPad — betteriPhone
Requires iOS26.017.0 — better
Further details — not scored
Size28 MB11 MB
Age rating4+17+
DeveloperMD Apps, LLCGrimes AI LLC

Customer experience

Stack Tracker AI

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Cortex

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

In-app purchases

2 purchases

Stack Tracker AI

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Annual7 Days trial$9.991 Year
2 purchases

Cortex

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

Questions

Is Stack Tracker AI free?
Stack Tracker AI is free to download, with in-app purchases available.
Is Cortex free?
Cortex is free to download, with in-app purchases available.
Which has better reviews, Stack Tracker AI or Cortex?
Cortex is rated higher. Stack Tracker AI averages 4.0 out of 5 from 2 ratings, while Cortex averages 5.0 from 5 ratings.
Do Stack Tracker AI or Cortex have ads?
Neither Stack Tracker AI nor Cortex shows ads.
Which is updated more often, Stack Tracker AI or Cortex?
Stack Tracker AI ships an update fortnightly, and Cortex every 11 days. Most recently, Stack Tracker AI was updated on September 17, 2026 and Cortex on October 6, 2026.

Other comparisons