# Russian GrammarーLessons・Tests vs Kotlin Compiler(Pro)

The clearest difference is price: Russian GrammarーLessons・Tests at Free against Kotlin Compiler(Pro)'s $2.99. Russian GrammarーLessons・Tests also leads on iOS requirement (11.0 vs 13.0). Kotlin Compiler(Pro)'s advantage is ads (none vs shown). On review sentiment, in-app purchases and device support there is nothing between them.

Russian GrammarーLessons・Tests is free to download; Kotlin Compiler(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Russian GrammarーLessons・Tests | Kotlin Compiler(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/russian-grammarlessonstests/id6471345342/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 20 months |
| Monetization | **Ad-supported** | Paid |
| Size | 60 MB | 62 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PORO Studio](https://appshunter.io/developer/1547910644) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### Russian GrammarーLessons・Tests

[App page](https://appshunter.io/ios/app/russian-grammarlessonstests/id6471345342)

Master Russian grammar with comprehensive lessons, real-life examples, and interactive tests. Learn step-by-step or by topic, and improve your speaking and writing skills for exams like ORFL and TRKI.

**Highlights:** 163+ detailed grammar points, Real-life examples and explanations, Interactive practice quizzes, Diversified learning games, Timed grammar tests, Detailed review and answer explanations

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

**In-app purchases:** none


### Kotlin Compiler(Pro)

[App page](https://appshunter.io/ios/app/kotlin-compilerpro/id6741094837)

This app offers a powerful and intuitive coding environment for Kotlin development. Features include syntax highlighting, efficient code layout, and tools for easy navigation and snippet scanning. It also provides tutorials and project management to support developers of all levels.

**Highlights:** Syntax highlighting, Fast code layout, Customizable tools layout, Intuitive navigation, Camera code scanning, Tutorials and news, Bookmarks and project management

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

**In-app purchases:** none


## Frequently asked questions

### Is Russian GrammarーLessons・Tests free?

Russian GrammarーLessons・Tests is free to download, with no in-app purchases.

### Is Kotlin Compiler(Pro) free?

Kotlin Compiler(Pro) costs $2.99, with no in-app purchases.

### Do Russian GrammarーLessons・Tests or Kotlin Compiler(Pro) have ads?

Russian GrammarーLessons・Tests shows ads; Kotlin Compiler(Pro) 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.*