# Learn Immune System vs Learn Biochemistry [PRO]

The clearest difference is ads: Learn Immune System at none against Learn Biochemistry [PRO]'s shown. Learn Immune System also leads on chart position (#182 vs unranked). Learn Biochemistry [PRO]'s advantage is price ($1.99 vs $2.99). On in-app purchases, device support and iOS requirement there is nothing between them.

Learn Immune System costs $2.99 and Learn Biochemistry [PRO] $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Learn Immune System | Learn Biochemistry [PRO] |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | — |
| Best chart rank | **#182** | — |
| Size | 16 MB | 51 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) |

## 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


### Learn Biochemistry [PRO]

[App page](https://appshunter.io/ios/app/learn-biochemistry-pro/id6466167559)

**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 Learn Biochemistry [PRO] free?

Learn Biochemistry [PRO] costs $1.99, with no in-app purchases.

### Do Learn Immune System or Learn Biochemistry [PRO] have ads?

Learn Biochemistry [PRO] shows ads; Learn Immune System does not.

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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.*