# Embryonic Virtual Heart vs HistoGrams⁺

The clearest difference is update cadence: HistoGrams⁺ at every 2 months against Embryonic Virtual Heart's every 53 months. HistoGrams⁺ also leads on iOS requirement (12.0 vs 15.0). On price, 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.

Embryonic Virtual Heart ships an update every 53 months, HistoGrams⁺ every 2 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Embryonic Virtual Heart | HistoGrams⁺ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/histograms/id6477970674/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 53 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 259 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Nicholas Gustilo](https://appshunter.io/developer/1589608431) | [Viren Kariya](https://appshunter.io/developer/1731249462) |

## What reviewers say

### Embryonic Virtual Heart

[App page](https://appshunter.io/ios/app/embryonic-virtual-heart/id1589608429)

**Features:** macOS Compatibility

**In-app purchases:** none


### HistoGrams⁺

[App page](https://appshunter.io/ios/app/histograms/id6477970674)

This app offers a quick reference and revision guide for students, covering histology, physiology, biochemistry, and pathology. It features comprehensive notes and hand-drawn diagrams to simplify complex topics and prepare for exams.

**Highlights:** Histology revision notes, Hand-drawn diagrams, Neuroanatomy demos, Physiology practical details, Video links for concepts, Regular updates

**In-app purchases:** none


## Frequently asked questions

### Is Embryonic Virtual Heart free?

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

### Is HistoGrams⁺ free?

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

### Which is updated more often, Embryonic Virtual Heart or HistoGrams⁺?

Embryonic Virtual Heart ships an update every 53 months, and HistoGrams⁺ every 2 months. Most recently, Embryonic Virtual Heart was updated on October 19, 2026 and HistoGrams⁺ 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.*