# RedShelf vs NGN Studio

The clearest difference is in-app purchases: RedShelf at none against NGN Studio's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NGN Studio sells 2 in-app purchases, starting at $9.99 per month. RedShelf asks for nothing beyond the download.

## The numbers

| Metric | RedShelf | NGN Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (7.1K ratings)](https://appshunter.io/ios/app/redshelf/id1511013608/reviews)** | — |
| Number of ratings | **7.1K** | — |
| Positive reviews | 3.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 26 MB | 40 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RedShelf](https://appshunter.io/developer/1511013606) | [MAYRA JANNETTE PLIEGO](https://appshunter.io/developer/6788922328) |

## What reviewers say

### RedShelf

[App page](https://appshunter.io/ios/app/redshelf/id1511013608)

Access and read your digital textbooks on any device. Highlight text, take notes, create flashcards, and have content read aloud. Your notes and highlights sync across all your devices.

**Highlights:** Access textbooks on any device, Highlight text and take notes, Create flashcards from content, Define unfamiliar words, Text-to-speech functionality, Sync notes and highlights across devices

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient to access textbooks in one place
- 🚀 Decent overall performance

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 💤 Slow loading and page turning
- 👎 Unreliable highlighting and note-taking features
- 🤖 Poor text-to-speech functionality
- 📵 Inability to access books offline

**Reported bugs**

- Books not loading or showing blank screens
- Highlighting issues (selecting wrong text, unable to edit)
- Sync issues between devices and web version

**Requested features**

- Improve highlighting and annotation tools
- Add support for split-screen mode
- Enhance text-to-speech capabilities
- Allow offline access to downloaded books


### NGN Studio

[App page](https://appshunter.io/ios/app/ngn-studio/id6788922929)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NGN Studio Pro Monthly | $9.99 | per month |
| NGN Studio Pro Annual | $89.99 | per year |


## Frequently asked questions

### Is RedShelf free?

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

### Is NGN Studio free?

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

### Do RedShelf or NGN Studio have ads?

Neither RedShelf nor NGN Studio 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.*