# ReadLang WatchLang vs TeaderBook

The clearest difference is in-app purchases: ReadLang WatchLang at none against TeaderBook's 2. ReadLang WatchLang also leads on device support (3 vs 1). TeaderBook's advantage is ads (none vs shown). On price and iOS requirement there is nothing between them.

Both are free to download. TeaderBook sells 2 in-app purchases, starting at $4.99 per month. ReadLang WatchLang asks for nothing beyond the download.

## The numbers

| Metric | ReadLang WatchLang | TeaderBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (59 ratings)](https://appshunter.io/ios/app/readlang-watchlang/id1602114377/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 83 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nguyen Hong Phuc](https://appshunter.io/developer/1519084763) | [Maksym Hornostaiev](https://appshunter.io/developer/1740016638) |

## What reviewers say

### ReadLang WatchLang

[App page](https://appshunter.io/ios/app/readlang-watchlang/id1602114377)

Learn languages by translating words and phrases on any webpage or YouTube video with dual subtitles. Practice vocabulary in context and improve listening skills with native pronunciations.

**Highlights:** Translate words and phrases on any webpage, YouTube dual subtitle player, Learn over 100 languages, Practice vocabulary in context, Listen to native pronunciations

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

**In-app purchases:** none


### TeaderBook

[App page](https://appshunter.io/ios/app/teaderbook/id6812052052)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TeaderBook Pro Monthly | $4.99 | per month |
| TeaderBook Pro Yearly | $44.99 | per year |


## Frequently asked questions

### Is ReadLang WatchLang free?

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

### Is TeaderBook free?

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

### Do ReadLang WatchLang or TeaderBook have ads?

ReadLang WatchLang shows ads; TeaderBook does not.

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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.*