Comparison

Immortals Bryan Johnson vs Protocol Stack Tracker

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

Head to head
About

Immortals Bryan Johnson

This app helps you create a personalized longevity plan based on your health data and research. Connect wearables, upload biomarkers, and receive insights to optimize your well-being. It's free and adapts to your unique biology.

Highlights
  • Personalized longevity protocol
  • Connects to multiple wearables
  • Uploads health biomarkers and labs
  • AI-driven health insights
  • Expert-designed algorithm
  • Interactive Q&A with BryanAI
Features
Read full description

Immortals is a free app* that helps you build a personalized longevity protocol. It’s backed by Bryan Johnson’s 5+ years of longevity research and informed by your health data** START FOR FREE + Connect any wearable: Apple Watch, Eight Sleep, Fitbit, Garmin, Google Fit, Oura, and Whoop + Upload existing biomarkers or labs from any provider + Get insights that adapt to your inputs HOW IT WORKS BryanAI reads your data, cross-references it against Bryan's protocol and population-level research, and helps you focus on the most impactful things you can do for your health. It's free and adapts to your biology. No clinician visit required to start. BRYANAI Bryan Johnson's team of longevity experts built an algorithm to run his body. It reads his data and tells him how to build his protocol based on how his body responds. BryanAI gives everyone access to that same framework. You can ask BryanAI questions like: "What's driving my HRV drop?" "Am I getting enough protein for my training load?" "Should I train cardio today?" BryanAI is continuously reviewed and refined by leading AI experts in longevity, nutrition, exercise, and sleep. DESIGNED BY LONGEVITY EXPERTS Carl Seger, M.D. Board-Certified Physician specializing in preventive and longevity medicine. IMMORTALS SUPPORT: support@immortals.com *This App is not a Medical Device **Not intended to diagnose, treat, cure, or prevent any disease. For informational purposes only. Does not constitute medical advice, treatment, or a diagnosis.

About

Protocol Stack Tracker

Features
Read full description

Protocol is a fast, beautiful way to track your daily longevity stack. Build your routine, swipe to check things off, and keep your streak alive. — One card per supplement: swipe left to complete, right to skip — Morning, evening, and anytime sections — Streak + daily progress, on a home screen widget too — Optional reminders, plus one-tap export for your health AI — Add anything that's part of your protocol. Not just pills — Syncs privately through iCloud. No account, no ads, no tracking. Protocol is an independent passion project, not affiliated with or endorsed by Blueprint or Bryan Johnson.

Screenshots

Immortals Bryan Johnson4 screens
Protocol Stack Tracker4 screens

Verdict

The call

The clearest difference is device support: Immortals Bryan Johnson at 3 against Protocol Stack Tracker's 1. Immortals Bryan Johnson also leads on iOS requirement (15.1 vs 26.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Immortals Bryan Johnson versus Protocol Stack Tracker: the parameters behind the verdict, then further details
ParameterImmortals Bryan JohnsonProtocol Stack Tracker
PriceFreeFree
Rating4.2 (21 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings21 — better—
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better26.0
Further details — not scored
Size93 MB6 MB
Age rating17+4+
DeveloperBlueprint Bryan JohnsonDAVIS CABRERA

In-app purchases

None

Immortals Bryan Johnson

No in-app purchases

None

Protocol Stack Tracker

No in-app purchases

Questions

Is Immortals Bryan Johnson free?
Immortals Bryan Johnson is free to download, with no in-app purchases.
Is Protocol Stack Tracker free?
Protocol Stack Tracker is free to download, with no in-app purchases.
Do Immortals Bryan Johnson or Protocol Stack Tracker have ads?
Neither Immortals Bryan Johnson nor Protocol Stack Tracker shows ads.

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