# Longevity Biomarkers vs CrusHIIT

The clearest difference is rating: CrusHIIT at 5.0 against Longevity Biomarkers's 3.9. CrusHIIT also leads on in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 3 months). Longevity Biomarkers's advantage is ratings volume (12 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Longevity Biomarkers sells 3 in-app purchases, starting at $6.99 per month. CrusHIIT asks for nothing beyond the download.

CrusHIIT holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Longevity Biomarkers has 12 ratings behind it against 1, so its average is the more settled of the two.

Longevity Biomarkers ships an update every 3 months, CrusHIIT every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Longevity Biomarkers | CrusHIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (12 ratings)](https://appshunter.io/ios/app/longevity-biomarkers/id1553911832/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crushiit/id6468036140/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 17 MB | 30 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Longevity Biomarkers LLC](https://appshunter.io/developer/1553911834) | [Reducos](https://appshunter.io/developer/1552162909) |

## 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 |


### CrusHIIT

[App page](https://appshunter.io/ios/app/crushiit/id6468036140)

Access a library of high-quality workouts anytime, anywhere. Achieve your fitness goals conveniently from your own home. Get on-demand fitness routines at your fingertips.

**Highlights:** Instant workout access, On-demand fitness, Home-based training, Goal achievement support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Longevity Biomarkers free?

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

### Is CrusHIIT free?

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

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

CrusHIIT is rated higher. Longevity Biomarkers averages 3.9 out of 5 from 12 ratings, while CrusHIIT averages 5.0 from 1 ratings.

### Do Longevity Biomarkers or CrusHIIT have ads?

Neither Longevity Biomarkers nor CrusHIIT shows ads.

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

Longevity Biomarkers ships an update every 3 months, and CrusHIIT every 3 weeks. Most recently, Longevity Biomarkers was updated on November 3, 2026 and CrusHIIT on November 3, 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.*