# E vs Longevity Biomarkers

The clearest difference is price: Longevity Biomarkers at Free against E's $0.99. E's advantage is in-app purchases (none vs 3) and iOS requirement (9.0 vs 14.0). On update cadence, ads and device support there is nothing between them.

Longevity Biomarkers is free to download; E costs $0.99 up front. Longevity Biomarkers sells 3 in-app purchases, starting at $6.99 per month. E asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | E | Longevity Biomarkers |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.9 (12 ratings)](https://appshunter.io/ios/app/longevity-biomarkers/id1553911832/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Freemium |
| Size | 5 MB | 17 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Panayot Panayotov](https://appshunter.io/developer/895560894) | [Longevity Biomarkers LLC](https://appshunter.io/developer/1553911834) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-standards/id896892832)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is E free?

E costs $0.99, with no in-app purchases.

### Is Longevity Biomarkers free?

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

### Do E or Longevity Biomarkers have ads?

Neither E nor Longevity Biomarkers shows ads.

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

E ships an update every 3 months, and Longevity Biomarkers every 3 months. Most recently, E was updated on October 11, 2026 and Longevity Biomarkers on October 5, 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.*