# Learn Immune System vs Immunity Science

The clearest difference is price: Immunity Science at Free against Learn Immune System's $2.99. Immunity Science also leads on update cadence (every 14 months vs every 36 months). Learn Immune System's advantage is chart position (#182 vs unranked) and iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Immunity Science is free to download; Learn Immune System costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Immune System ships an update every 36 months, Immunity Science every 14 months. The most recent releases landed on September 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Learn Immune System | Immunity Science |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 14 months** |
| Best chart rank | **#182** | — |
| Size | 16 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [Immunity Science, Inc.](https://appshunter.io/developer/1672160767) |

## What reviewers say

### Learn Immune System

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

**Currently charting:** #182 Top Paid · Education (US App Store)

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

**In-app purchases:** none


### Immunity Science

[App page](https://appshunter.io/ios/app/immunity-science/id1672160765)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Immune System free?

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

### Is Immunity Science free?

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

### Do Learn Immune System or Immunity Science have ads?

Neither Learn Immune System nor Immunity Science shows ads.

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

Learn Immune System ships an update every 36 months, and Immunity Science every 14 months. Most recently, Learn Immune System was updated on September 5, 2026 and Immunity Science on September 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.*