# Правила русского языка + vs Fraction Calculator & Solver

The clearest difference is review sentiment: Fraction Calculator & Solver at 100% against Правила русского языка +'s 53%. Fraction Calculator & Solver also leads on rating (4.7 vs 3.9) and in-app purchases (none vs 1). Правила русского языка +'s advantage is ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Правила русского языка + sells 1 one-off in-app purchase. Fraction Calculator & Solver asks for nothing beyond the download.

Fraction Calculator & Solver holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 27 and 12 respectively. Written reviews point the same way: 53% of Правила русского языка +'s written reviews are positive against 100% of Fraction Calculator & Solver's.

Правила русского языка + ships an update every 2 months, Fraction Calculator & Solver every 3 weeks. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Правила русского языка + | Fraction Calculator & Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (27 ratings)](https://appshunter.io/ios/app/plus/id1169946909/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/fraction-calculator-and-solver/id1350671256/reviews)** |
| Number of ratings | **27** | 12 |
| Positive reviews | 53.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 18 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksei Mezhevikin](https://appshunter.io/developer/466321873) | [Alexandru Basarab](https://appshunter.io/developer/1350671255) |

## What reviewers say

### Правила русского языка +

[App page](https://appshunter.io/ios/app/plus/id1169946909)

This app provides comprehensive rules of the Russian language with an intelligent search function. It's designed to help users understand and apply grammatical principles effectively. Contact developers via app settings for any inquiries.

**Highlights:** Russian language grammar rules, Intelligent search, Grammar explanations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Полная версия приложения | $1.99 | one-time |


### Fraction Calculator & Solver

[App page](https://appshunter.io/ios/app/fraction-calculator-and-solver/id1350671256)

This math calculator handles fractions, decimals, and percentages, providing detailed step-by-step solutions for all calculations. It's a helpful tool for students and professionals needing to resolve fraction problems or convert between formats.

**Highlights:** Handles fractions, decimals, and percentages, Provides step-by-step solutions, Converts fractions to decimals and vice versa, Automatically reduces fractions to simplest form, Supports parentheses and basic math operations, Includes calculation history

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

**In-app purchases:** none


## Frequently asked questions

### Is Правила русского языка + free?

Правила русского языка + is free to download, with in-app purchases available.

### Is Fraction Calculator & Solver free?

Fraction Calculator & Solver is free to download, with no in-app purchases.

### Which has better reviews, Правила русского языка + or Fraction Calculator & Solver?

Fraction Calculator & Solver is rated higher. Правила русского языка + averages 3.9 out of 5 from 27 ratings, while Fraction Calculator & Solver averages 4.7 from 12 ratings.

### Do Правила русского языка + or Fraction Calculator & Solver have ads?

Fraction Calculator & Solver shows ads; Правила русского языка + does not.

### Which is updated more often, Правила русского языка + or Fraction Calculator & Solver?

Правила русского языка + ships an update every 2 months, and Fraction Calculator & Solver every 3 weeks. Most recently, Правила русского языка + was updated on October 17, 2026 and Fraction Calculator & Solver on October 9, 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.*