# Learning Earth Science vs Learn Immune System

The clearest difference is price: Learning Earth Science 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.

Learning Earth Science costs $1.99 and Learn Immune System $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learning Earth Science ships an update every 39 months, Learn Immune System every 36 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Learning Earth Science | Learn Immune System |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 36 months** |
| Size | 20 MB | 16 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Coskun CAKIR](https://appshunter.io/developer/482066275) | [Nurten PIRLI](https://appshunter.io/developer/1495958705) |

## What reviewers say

### Learning Earth Science

[App page](https://appshunter.io/ios/app/learning-earth-science/id1386721116)

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

**In-app purchases:** none


### Learn Immune System

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Learning Earth Science free?

Learning Earth Science costs $1.99, with no in-app purchases.

### Is Learn Immune System free?

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

### Do Learning Earth Science or Learn Immune System have ads?

Neither Learning Earth Science nor Learn Immune System shows ads.

### Which is updated more often, Learning Earth Science or Learn Immune System?

Learning Earth Science ships an update every 39 months, and Learn Immune System every 36 months. Most recently, Learning Earth Science was updated on October 5, 2026 and Learn Immune System on October 15, 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.*