# Immunity Science vs CPU Nursing Lecturio

The clearest difference is iOS requirement: Immunity Science at 13.0 against CPU Nursing Lecturio's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Immunity Science ships an update every 14 months, CPU Nursing Lecturio every 16 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Immunity Science | CPU Nursing Lecturio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 16 months |
| Size | 32 MB | 117 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Immunity Science, Inc.](https://appshunter.io/developer/1672160767) | [Lecturio GmbH](https://appshunter.io/developer/667474928) |

## What reviewers say

### Immunity Science

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

**Features:** macOS Compatibility

**In-app purchases:** none


### CPU Nursing Lecturio

[App page](https://appshunter.io/ios/app/cpu-nursing-lecturio/id6476279013)

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

**In-app purchases:** none


## Frequently asked questions

### Is Immunity Science free?

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

### Is CPU Nursing Lecturio free?

CPU Nursing Lecturio is free to download, with no in-app purchases.

### Do Immunity Science or CPU Nursing Lecturio have ads?

Neither Immunity Science nor CPU Nursing Lecturio shows ads.

### Which is updated more often, Immunity Science or CPU Nursing Lecturio?

Immunity Science ships an update every 14 months, and CPU Nursing Lecturio every 16 months. Most recently, Immunity Science was updated on November 7, 2026 and CPU Nursing Lecturio on November 8, 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.*