# Math Genius vs Skim

The clearest difference is in-app purchases: Math Genius at none against Skim's 4. Math Genius also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Skim sells 4 in-app purchases, starting at $6.99 per month. Math Genius asks for nothing beyond the download.

## The numbers

| Metric | Math Genius | Skim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/skim-micro-learning-cards/id6764439998/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 19 MB | 10 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BEXCODE SERVICES USA LLC](https://appshunter.io/developer/1698325470) | [DORUK SAVASAN](https://appshunter.io/developer/1895781498) |

## What reviewers say

### Math Genius

[App page](https://appshunter.io/ios/app/math-geniusboost-mind-memory/id6738659258)

**Features:** macOS Compatibility

**In-app purchases:** none


### Skim

[App page](https://appshunter.io/ios/app/skim-micro-learning-cards/id6764439998)

Transform documents into bite-sized learning cards with AI. Choose from four learning modes, ask questions about terms, and track your progress. Ideal for students, researchers, and professionals.

**Highlights:** AI-generated learning cards, Multiple learning modes (Deep Understanding, ELI5, Memorize, Quick Review), Ask AI questions about document terms, Progress tracking (streak, mastery, accuracy), Supports PDF, Word, PowerPoint, text, and Markdown, No ads or data tracking

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Ultra Monthly | $13.99 | per month |
| Pro Annual | $69.99 | per year |
| Ultra Annual | $139.99 | per year |


## Frequently asked questions

### Is Math Genius free?

Math Genius is free to download, with no in-app purchases.

### Is Skim free?

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

### Do Math Genius or Skim have ads?

Neither Math Genius nor Skim shows ads.

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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.*