# Math Wiki vs Abiunity

The clearest difference is review sentiment: Math Wiki at 96% against Abiunity's 52%. Abiunity's advantage is update cadence (every 2 months vs every 7 months) and iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Math Wiki sells 3 in-app purchases, starting at $2.99 per month and Abiunity sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Math Wiki ships an update every 7 months, Abiunity every 2 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Math Wiki | Abiunity |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **95.8% of reviews** | 52.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 87 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [L&K development GmbH](https://appshunter.io/developer/1262096433) | [Julius Planteur](https://appshunter.io/developer/1420518004) |

## 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 |


### Abiunity

[App page](https://appshunter.io/ios/app/abiunity/id1488270332)

This app connects students and teachers for collaborative learning, offering a centralized hub for all exam-relevant knowledge. It facilitates the exchange of study materials and answers questions to support preparation for standardized exams across all German federal states.

**Highlights:** Centralized knowledge hub, Collaborative learning network, Study material exchange, Question and answer forum, Support for standardized exams, Teacher and student participation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abiunity Supporter | $4.99 | one-time |


## Frequently asked questions

### Is Math Wiki free?

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

### Is Abiunity free?

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

### Do Math Wiki or Abiunity have ads?

Neither Math Wiki nor Abiunity shows ads.

### Which is updated more often, Math Wiki or Abiunity?

Math Wiki ships an update every 7 months, and Abiunity every 2 months. Most recently, Math Wiki was updated on October 24, 2026 and Abiunity on October 20, 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.*