# Eterna Diagnostics vs Longevity One Pro

The clearest difference is in-app purchases: Eterna Diagnostics at none against Longevity One Pro's 2. Eterna Diagnostics also leads on iOS requirement (14.0 vs 17.6). Longevity One Pro's advantage is review sentiment (100% vs 70%). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Longevity One Pro sells 2 in-app purchases, starting at $9.99 per month. Eterna Diagnostics asks for nothing beyond the download.

Eterna Diagnostics ships an update every 2 weeks, Longevity One Pro every 6 days. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Eterna Diagnostics | Longevity One Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Freemium | Freemium |
| Size | 112 MB | 244 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Eterna Diagnostics](https://appshunter.io/developer/1723205443) | [Fetched Wellness Ltd](https://appshunter.io/developer/1808805796) |

## What reviewers say

### Eterna Diagnostics

[App page](https://appshunter.io/ios/app/eterna-diagnostics/id6475050723)

Measure your biological age in real-time and understand how your habits impact your health. This app uses smartwatch biometric data and advanced biomarker analysis to provide actionable insights for improving cardiovascular, metabolic, hormonal, and bone health. Identify areas for improvement, optimize cognitive and physical performance, and work towards preventing chronic diseases.

**Highlights:** Real-time aging rate analysis from wearables, Advanced biomarker health panels, Population comparative insights, Intuitive habit tracking (sleep, stress, activity), Expert video tips on preventive health

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Longevity One Pro

[App page](https://appshunter.io/ios/app/longevity-one-pro/id6745081012)

This app translates longevity research into actionable daily habits. It uses lifestyle data, optional blood markers, and AI to estimate your health-span potential and guide you toward healthier choices. Track progress, store health documents, and gain AI-powered insights to add healthy years to your life.

**Highlights:** Longevity Score tracking, Lifestyle Age comparison, Biological Age calculation (blood tests), AI Daily Insights and recommendations, Habit Builder & Tracker, Evidence-based lessons and quizzes, Trends dashboard, Apple Health sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Longevity One Pro Plan | $9.99 | per month |
| Annnual Subscription | $99.99 | per year |


## Frequently asked questions

### Is Eterna Diagnostics free?

Eterna Diagnostics is free to download, with no in-app purchases.

### Is Longevity One Pro free?

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

### Do Eterna Diagnostics or Longevity One Pro have ads?

Neither Eterna Diagnostics nor Longevity One Pro shows ads.

### Which is updated more often, Eterna Diagnostics or Longevity One Pro?

Eterna Diagnostics ships an update every 2 weeks, and Longevity One Pro every 6 days. Most recently, Eterna Diagnostics was updated on September 27, 2026 and Longevity One Pro on September 23, 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.*