# Math Wiki vs Immunsystem Quiz

The clearest difference is price: Math Wiki at Free against Immunsystem Quiz's $1.99. Math Wiki also leads on update cadence (every 7 months vs every 45 months). Immunsystem Quiz's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 15.0). On ads and device support there is nothing between them.

Math Wiki is free to download; Immunsystem Quiz costs $1.99 up front. Math Wiki sells 3 in-app purchases, starting at $2.99 per month. Immunsystem Quiz asks for nothing beyond the download.

Math Wiki ships an update every 7 months, Immunsystem Quiz every 45 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Math Wiki | Immunsystem Quiz |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 95.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 45 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 16 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [L&K development GmbH](https://appshunter.io/developer/1262096433) | [Coskun CAKIR](https://appshunter.io/developer/1085525577) |

## What reviewers say

### Math Wiki

[App page](https://appshunter.io/ios/app/math-wiki-learn-maths/id1262096434)

This app serves as a portable math encyclopedia and practice tool. It offers detailed explanations, examples, and exercises covering a wide range of mathematical topics from arithmetic to calculus, suitable for students from 7th grade through college.

**Highlights:** Portable math reference work, Glossary of mathematical terms, Foundations from 7th grade, Detailed explanations with examples, Exercises on every topic, Search functionality, Covers arithmetic, geometry, calculus, and more

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $2.99 | per month |
| MatheWiki Aufgaben | $3.99 | one-time |
| MatheWiki Premium | $8.99 | one-time |


### Immunsystem Quiz

[App page](https://appshunter.io/ios/app/immunsystem-quiz/id1614600324)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Wiki free?

Math Wiki is free to download, with in-app purchases available.

### Is Immunsystem Quiz free?

Immunsystem Quiz costs $1.99, with no in-app purchases.

### Do Math Wiki or Immunsystem Quiz have ads?

Neither Math Wiki nor Immunsystem Quiz shows ads.

### Which is updated more often, Math Wiki or Immunsystem Quiz?

Math Wiki ships an update every 7 months, and Immunsystem Quiz every 45 months. Most recently, Math Wiki was updated on October 10, 2026 and Immunsystem Quiz on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*