# RU eBook Store vs Basic and Advanced Grammar

The clearest difference is in-app purchases: RU eBook Store at none against Basic and Advanced Grammar's 2. RU eBook Store also leads on ads (none vs shown) and update cadence (every 4 months vs every 81 months). On price and device support there is nothing between them.

Both are free to download. Basic and Advanced Grammar sells 2 in-app purchases, starting at $4.99 per month. RU eBook Store asks for nothing beyond the download.

RU eBook Store ships an update every 4 months, Basic and Advanced Grammar every 81 months. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | RU eBook Store | Basic and Advanced Grammar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 81 months |
| Monetization | Free | — |
| Size | 29 MB | 33 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Openserve Co.,Ltd.](https://appshunter.io/developer/479158615) | [irin Tanrverdi](https://appshunter.io/developer/1494693885) |

## What reviewers say

### RU eBook Store

[App page](https://appshunter.io/ios/app/ru-ebook-store/id715376893)

Organize and categorize your digital library, including books, magazines, and newspapers. Offers multiple display options and a realistic page-turning experience with zoom functionality for easy reading. Find titles quickly with search by name, author, or publisher.

**Highlights:** Categorize books, magazines, newspapers, Multiple display modes (cover, spine, detail), Search by title, author, publisher, Realistic page-turning animation, Zoom functionality for content

**Features:** macOS Compatibility

**In-app purchases:** none


### Basic and Advanced Grammar

[App page](https://appshunter.io/ios/app/basic-and-advanced-grammar/id1495258061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Premium Monthly | $4.99 | per month |
| Grammar Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is RU eBook Store free?

RU eBook Store is free to download, with no in-app purchases.

### Is Basic and Advanced Grammar free?

Basic and Advanced Grammar is free to download, with in-app purchases available.

### Do RU eBook Store or Basic and Advanced Grammar have ads?

Basic and Advanced Grammar shows ads; RU eBook Store does not.

### Which is updated more often, RU eBook Store or Basic and Advanced Grammar?

RU eBook Store ships an update every 4 months, and Basic and Advanced Grammar every 81 months. Most recently, RU eBook Store was updated on September 25, 2026 and Basic and Advanced Grammar on October 6, 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.*