# Learn Immune System vs Human Brain by EduTech Era

The clearest difference is price: Human Brain by EduTech Era at $1.99 against Learn Immune System's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Learn Immune System costs $2.99 and Human Brain by EduTech Era $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Immune System ships an update every 36 months, Human Brain by EduTech Era every 20 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Learn Immune System | Human Brain by EduTech Era |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 20 months** |
| Size | 16 MB | 301 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) |

## What reviewers say

### Learn Immune System

[App page](https://appshunter.io/ios/app/learn-immune-system/id1502997625)

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

**In-app purchases:** none


### Human Brain by EduTech Era

[App page](https://appshunter.io/ios/app/human-brain-by-edutech-era/id1597567787)

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Immune System free?

Learn Immune System costs $2.99, with no in-app purchases.

### Is Human Brain by EduTech Era free?

Human Brain by EduTech Era costs $1.99, with no in-app purchases.

### Do Learn Immune System or Human Brain by EduTech Era have ads?

Neither Learn Immune System nor Human Brain by EduTech Era shows ads.

### Which is updated more often, Learn Immune System or Human Brain by EduTech Era?

Learn Immune System ships an update every 36 months, and Human Brain by EduTech Era every 20 months. Most recently, Learn Immune System was updated on November 3, 2026 and Human Brain by EduTech Era on November 7, 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.*