# Human Heart vs CERT

The clearest difference is update cadence: CERT at every 10 months against Human Heart's every 37 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Human Heart ships an update every 37 months, CERT every 10 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Human Heart | CERT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 131 MB | 32 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [The Open University](https://appshunter.io/developer/336747246) | [CERT Systems Limited](https://appshunter.io/developer/1703189358) |

## What reviewers say

### Human Heart

[App page](https://appshunter.io/ios/app/human-heart/id6443917882)

Explore a 3D, anatomically accurate human heart with augmented reality. Learn about its structure, function, and the cardiac cycle through interactive exploration, detailed pins, and adjustable beating rates.

**Highlights:** 3D anatomical heart model, Augmented reality view, Cross-section exploration, Interactive pins with descriptions, Blood flow visualization, Adjustable beating rate

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

**In-app purchases:** none


### CERT

[App page](https://appshunter.io/ios/app/cert/id6462643980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Human Heart free?

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

### Is CERT free?

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

### Do Human Heart or CERT have ads?

Neither Human Heart nor CERT shows ads.

### Which is updated more often, Human Heart or CERT?

Human Heart ships an update every 37 months, and CERT every 10 months. Most recently, Human Heart was updated on October 9, 2026 and CERT on October 24, 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.*