# SmartBook vs Kazling

The clearest difference is in-app purchases: Kazling at none against SmartBook's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SmartBook sells 3 in-app purchases, starting at $1.99 per month. Kazling asks for nothing beyond the download.

## The numbers

| Metric | SmartBook | Kazling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/smartbook-dual-language-books/id1278697399/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 56.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 3 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stanislau Kurs](https://appshunter.io/developer/1278697398) | [Murat Sadykov](https://appshunter.io/developer/1586814959) |

## What reviewers say

### SmartBook

[App page](https://appshunter.io/ios/app/smartbook-dual-language-books/id1278697399)

This app facilitates language learning through bilingual reading. It offers parallel text, tap-to-translate functionality, and audio narration to help users master new languages by reading books and articles. Users can upload their own content or access a library of free dual-language books.

**Highlights:** Parallel book reader, Tap to translate, Real-time translation with Reverso Context, Audio narration, FB2 and EPUB reader, Vocabulary builder, AI translation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual subscription | $19.99 | per year |
| Premium PRO | $24.99 | one-time |


### Kazling

[App page](https://appshunter.io/ios/app/kazling/id6780413717)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartBook free?

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

### Is Kazling free?

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

### Do SmartBook or Kazling have ads?

Neither SmartBook nor Kazling 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.*