# Karyotyping vs Human Immune System Quiz

The clearest difference is price: Karyotyping at Free against Human Immune System Quiz's $1.99. Karyotyping also leads on update cadence (every 10 months vs every 43 months). Human Immune System Quiz's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 13.0). On ads and in-app purchases there is nothing between them.

Karyotyping is free to download; Human Immune System Quiz costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Karyotyping ships an update every 10 months, Human Immune System Quiz every 43 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Karyotyping | Human Immune System Quiz |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 43 months |
| Size | 40 MB | 17 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Carolina Biological Supply](https://appshunter.io/developer/413708533) | [Coskun CAKIR](https://appshunter.io/developer/482066275) |

## What reviewers say

### Karyotyping

[App page](https://appshunter.io/ios/app/karyotyping/id815602469)

**Features:** macOS Compatibility

**In-app purchases:** none


### Human Immune System Quiz

[App page](https://appshunter.io/ios/app/human-immune-system-quiz/id1006635722)

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

**In-app purchases:** none


## Frequently asked questions

### Is Karyotyping free?

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

### Is Human Immune System Quiz free?

Human Immune System Quiz costs $1.99, with no in-app purchases.

### Do Karyotyping or Human Immune System Quiz have ads?

Neither Karyotyping nor Human Immune System Quiz shows ads.

### Which is updated more often, Karyotyping or Human Immune System Quiz?

Karyotyping ships an update every 10 months, and Human Immune System Quiz every 43 months. Most recently, Karyotyping was updated on November 6, 2026 and Human Immune System Quiz on November 6, 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.*