# Longevity Biomarkers vs DeathX

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.

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.

## The numbers

| Metric | Longevity Biomarkers | DeathX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (12 ratings)](https://appshunter.io/ios/app/longevity-biomarkers/id1553911832/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/deathx/id6478449711/reviews)** |
| Number of ratings | **12** | 4 |
| Positive reviews | **50.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 17 MB | 50 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Longevity Biomarkers LLC](https://appshunter.io/developer/1553911834) | [Jacob Safar](https://appshunter.io/developer/1694208524) |

## What reviewers say

### Longevity Biomarkers

[App page](https://appshunter.io/ios/app/longevity-biomarkers/id1553911832)

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.

**Highlights:** Biological age estimation, Personalized longevity biomarkers, Apple Health integration, Test reminders, Health tips and scientific studies, Tracking results over time

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $6.99 | per month |
| Premium Quarterly Plan | $15.99 | per 3 months |
| Premium Annual Plan | $49.99 | per year |


### DeathX

[App page](https://appshunter.io/ios/app/deathx/id6478449711)

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.

**Highlights:** Biological age analysis, Pace of aging insights, Biomarker tracking, Longevity workouts, Global leaderboards

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeathX Monthly Subscription | $29.99 | per month |
| DeathX+ Yearly Promo | $29.99 | per year |
| DeathX Yearly Subscription | $199.99 | per year |


## Frequently asked questions

### Is Longevity Biomarkers free?

Longevity Biomarkers is free to download, with in-app purchases available.

### Is DeathX free?

DeathX is free to download, with in-app purchases available.

### Which has better reviews, Longevity Biomarkers or DeathX?

DeathX is rated higher. Longevity Biomarkers averages 3.9 out of 5 from 12 ratings, while DeathX averages 4.0 from 4 ratings.

### Do Longevity Biomarkers or DeathX have ads?

DeathX shows ads; Longevity Biomarkers does not.

### Which is updated more often, Longevity Biomarkers or DeathX?

Longevity Biomarkers ships an update every 3 months, and DeathX every 3 days. Most recently, Longevity Biomarkers was updated on November 3, 2026 and DeathX on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*