# Casty vs Lœrn

The clearest difference is in-app purchases: Casty at none against Lœrn's 1. Casty also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lœrn sells 1 one-off in-app purchase. Casty asks for nothing beyond the download.

Casty ships an update every 2 days, Lœrn every 9 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Casty | Lœrn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/casty/id6740439860/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free | — |
| Size | 23 MB | 40 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Wai Yip Li](https://appshunter.io/developer/1789980681) | [Benjamin Tobias Blankenhorn](https://appshunter.io/developer/1880369263) |

## What reviewers say

### Casty

[App page](https://appshunter.io/ios/app/casty/id6740439860)

Transform PDF documents into engaging podcasts with live transcripts and a built-in dictionary. Listen offline to educational content in Japanese or English after generation.

**Highlights:** Convert PDFs to podcasts, Live transcripts, Built-in dictionary, Offline listening, Japanese and English support

**Features:** macOS Compatibility

**In-app purchases:** none


### Lœrn

[App page](https://appshunter.io/ios/app/lrn-flashcards-and-study/id6759726662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lœrn Ad-Free Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is Casty free?

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

### Is Lœrn free?

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

### Do Casty or Lœrn have ads?

Lœrn shows ads; Casty does not.

### Which is updated more often, Casty or Lœrn?

Casty ships an update every 2 days, and Lœrn every 9 days. Most recently, Casty was updated on November 4, 2026 and Lœrn on November 5, 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.*