# 课本读 vs 多诺(Duonova)

The clearest difference is in-app purchases: 课本读 at none against 多诺(Duonova)'s 2. 多诺(Duonova)'s advantage is iOS requirement (16 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 多诺(Duonova) sells 2 in-app purchases, starting at $0.99 per month. 课本读 asks for nothing beyond the download.

## The numbers

| Metric | 课本读 | 多诺(Duonova) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6762322613/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 33 MB | 127 MB |
| Requires iOS | 18.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [东 刘](https://appshunter.io/developer/1510477001) | [化工 刘](https://appshunter.io/developer/629597146) |

## What reviewers say

### 课本读

[App page](https://appshunter.io/ios/app/ai/id6762322613)

This app uses OCR technology to recognize English words from textbook pages. It provides phonetic symbols, Chinese definitions, and native American pronunciation for each word. Users can manage textbooks, edit information, and zoom in for clarity, making English learning more efficient and engaging.

**Highlights:** OCR text recognition, Phonetic symbols and definitions, Native American pronunciation, Textbook and unit management, Manual editing and correction, Zoom functionality

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

**In-app purchases:** none


### 多诺(Duonova)

[App page](https://appshunter.io/ios/app/duonova/id6775779653)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员月费 | $0.99 | per month |
| 会员年费 | $7.99 | per year |


## Frequently asked questions

### Is 课本读 free?

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

### Is 多诺(Duonova) free?

多诺(Duonova) is free to download, with in-app purchases available.

### Do 课本读 or 多诺(Duonova) have ads?

Neither 课本读 nor 多诺(Duonova) 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.*