Longevity Biomarkers vs DeathX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Longevity Biomarkers
Understand and manage your health and aging by tracking personalized longevity biomarkers. Discover your biological age and receive insights to optimize your well-being. Integrates with Apple Health for comprehensive tracking.
- Biological age estimation
- Personalized longevity biomarkers
- Apple Health integration
- Test reminders
- Health tips and scientific studies
- Tracking results over time
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Longevity Biomarkers App helps you understand and manage your health and aging through a set of personalized longevity-related biomarkers. Do simple tests, add results to the App, and our algorithms will determine your personalized optimal values for each biomarker. Additionally, you will discover your biological age and see how old your body really is. Add your test results to the App, and our real-time algorithm will estimate your biological age. With more data and time, algorithm accuracy improves. Keep an eye on your biological age. The younger you biologically are, the better. Features: Biological age Longevity management with more than 20 personalized health indicators Results personalized for your age, gender, and other available data Easy to understand, color-coded statuses Health tips Scientific studies Personalized insights Apple Health integration Test reminders Personal exercise zones Tracking results over time Biomarkers: BMI Body Fat Visceral Fat HRV Cardio Fitness Vitamin D Skeletal Muscle Reaction Speed Functional Fitness Chronic Inflammation Blood Pressure Orthostatic Blood Pressure Strength Balance Flexibility Resting Heart Rate Hearing A1C Apo B IGF-1 Albumin Cystatin C Peripheral Artery Status TESTS Tests specified in the App are not diagnostic. If your test results fall beyond the expected range, consider rechecking the test procedure and repeating the test. If you have any concerns, please consult a healthcare professional. HEALTH TIPS Content of the Health Tips section for each biomarker is created and published for informational purposes only. It is not advice, a guarantee of an outcome, or a substitute for the information provided by a qualified healthcare professional. Always consult a healthcare professional before using any product, practice, treatment, or starting a new healthcare regimen, including diet and exercise. SCIENTIFIC STUDIES Relevant scientific studies are available in the Science section of each biomarker. Studies are listed only to provide more information about the subject and do not endorse or suggest any product or practice. Please note that most scientific studies typically produce only associations, require further investigation, and may not be approved by governing health authorities. Please consider scientific studies only as additional material for further reading about the subject. PERSONAL INSIGHTS Content available in the personal insights section is not medical advice, and it should not be used for diagnosis, treatment, or as a replacement for the opinion of a qualified healthcare professional. Never use information from the App to make medical decisions, and always consult a healthcare professional if you have any concerns. SUBSCRIPTION & PRICING The App is free to download and use. It also offers full access to all features through Premium Monthly Subscription at $6.99 and Premium Annual Subscription at $49.99. Subscription payment is charged to iTunes Account at confirmation of the purchase. Premium Subscription plan automatically renews unless the auto-renew feature is turned off in the Account Settings, at least 24 hours before the end of the active subscription period. Privacy policy: https://longevitybiomarkers.com/privacy-policy/ Terms of use: https://longevitybiomarkers.com/terms-and-conditions/ If you have any questions, please get in touch with us at support@longevitybiomarkers.com
DeathX
This app offers personalized health insights, including biological age analysis, aging pace tracking, and biomarker monitoring. It helps users understand their health and make informed lifestyle choices for longevity. Compete on leaderboards to become the slowest aging person.
- Biological age analysis
- Pace of aging insights
- Biomarker tracking
- Longevity workouts
- Global leaderboards
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Discover the future of health with DeathX – your ultimate companion in personalized health. Delve deep into your biological age, understand the nuances of your aging process, track longevity focused workouts, and keep a vigilant eye on crucial biomarkers, all in one seamless experience. DeathX Key Features: • Biological Age: Uncover the true age of your body through advanced analysis, blending lifestyle choices, biomarker data, and health practices into a comprehensive health overview. • Pace of Aging Insight: Decode the velocity of your biological aging. Learn whether you're aging faster or slower than your chronological age suggests, empowering you with the knowledge to take proactive steps toward longevity. • Biomarker Tracking: Stay ahead with real-time monitoring of key health indicators. DeathX makes it easy to track changes and adapt for optimal health. • Leaderboards: Compete against the world to become the slowest aging person alive. Subscription & Terms: Download and use DeathX for free. Choose the auto-renewing subscription to use DeathX features. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours before the end of the current period. Manage subscription plans and turn off auto-renewal in Account Settings > Manage subscriptions after purchase. If offered, any unused portion of a free trial period will be forfeited when the user purchases a subscription to that publication. Please note, DeathX is designed to enhance, not replace, professional medical consultation. For medical concerns, always consult a healthcare professional. Embrace a healthier, informed lifestyle with DeathX. Let's redefine aging together. Visit our Terms of Service: https://www.biopace.co/terms-of-service Review our Privacy Policy: https://www.biopace.co/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Longevity Biomarkers at none against DeathX's shown. Longevity Biomarkers also leads on review sentiment (50% vs 25%) and ratings volume (12 vs 4). DeathX's advantage is update cadence (every 3 days vs every 3 months). On price, rating, 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
Both are free to download. Longevity Biomarkers sells 3 in-app purchases, starting at $6.99 per month and DeathX sells 3 in-app purchases, starting at $29.99 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 — 3.9 for Longevity Biomarkers against 4.0 for DeathX. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews are what separate them: 50% of Longevity Biomarkers's written reviews are positive against 25% of DeathX's.
Longevity Biomarkers ships an update every 3 months, DeathX every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Longevity Biomarkers | DeathX |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (12 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 12 — better | 4 |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 50 MB |
| Age rating | 12+ | 12+ |
| Developer | Longevity Biomarkers LLC | Jacob Safar |
Customer experience
Longevity Biomarkers
DeathX
In-app purchases
Longevity Biomarkers
- Premium Monthly Plan$6.991 Month
- Premium Quarterly Plan$15.993 Months
- Premium Annual Plan$49.991 Year
DeathX
- DeathX Monthly Subscription$29.991 Month
- DeathX+ Yearly Promo$29.991 Year
- DeathX Yearly Subscription$199.991 Year
Questions
Is Longevity Biomarkers free?
Is DeathX free?
Which has better reviews, Longevity Biomarkers or DeathX?
Do Longevity Biomarkers or DeathX have ads?
Which is updated more often, Longevity Biomarkers or DeathX?
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