# Lyrn vs Skim

The clearest difference is ads: Skim at none against Lyrn's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Lyrn sells 2 in-app purchases, starting at $15.99 per month and Skim sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Lyrn ships an update monthly, Skim every 2 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lyrn | 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 | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 30 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Taos Research Corporation](https://appshunter.io/developer/1590026159) | [DORUK SAVASAN](https://appshunter.io/developer/1895781498) |

## What reviewers say

### Lyrn

[App page](https://appshunter.io/ios/app/lyrn-micro-courses/id1590026157)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lyrn Monthly Unlimited Access | $15.99 | per month |
| Lyrn Annual Unlimited Access | $99.99 | per year |


### 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 Lyrn free?

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

### Is Skim free?

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

### Do Lyrn or Skim have ads?

Lyrn shows ads; Skim does not.

### Which is updated more often, Lyrn or Skim?

Lyrn ships an update monthly, and Skim every 2 weeks. Most recently, Lyrn was updated on October 11, 2026 and Skim on October 7, 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.*