# Правила русского языка + vs Simplify fraction calculator

The clearest difference is rating: Simplify fraction calculator at 4.5 against Правила русского языка +'s 3.9. Simplify fraction calculator also leads on review sentiment (91% vs 53%) and monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Правила русского языка + sells 1 one-off in-app purchase and Simplify fraction calculator sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Simplify fraction calculator holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 27 and 26 respectively. Written reviews point the same way: 53% of Правила русского языка +'s written reviews are positive against 91% of Simplify fraction calculator's.

Правила русского языка + ships an update every 2 months, Simplify fraction calculator every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Правила русского языка + | Simplify fraction calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (27 ratings)](https://appshunter.io/ios/app/plus/id1169946909/reviews) | **[4.5 (26 ratings)](https://appshunter.io/ios/app/simplify-fraction-calculator/id1268977111/reviews)** |
| Number of ratings | **27** | 26 |
| Positive reviews | 53.5% of reviews | **90.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 179 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksei Mezhevikin](https://appshunter.io/developer/466321873) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## 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 |


### Simplify fraction calculator

[App page](https://appshunter.io/ios/app/simplify-fraction-calculator/id1268977111)

This educational tool simplifies fractions by showing every step of the calculation. It handles integers, decimals, and fractions, providing the simplest form and decimal value of the result. Solutions can be saved and shared.

**Highlights:** Step-by-step calculation display, Handles integers, decimals, and fractions, Shows simplest form, Displays decimal value, Saves solved fractions, Shareable solutions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| Remove Ads | $0.99 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Правила русского языка + free?

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

### Is Simplify fraction calculator free?

Simplify fraction calculator is free to download, with in-app purchases available.

### Which has better reviews, Правила русского языка + or Simplify fraction calculator?

Simplify fraction calculator is rated higher. Правила русского языка + averages 3.9 out of 5 from 27 ratings, while Simplify fraction calculator averages 4.5 from 26 ratings.

### Do Правила русского языка + or Simplify fraction calculator have ads?

Neither Правила русского языка + nor Simplify fraction calculator shows ads.

### Which is updated more often, Правила русского языка + or Simplify fraction calculator?

Правила русского языка + ships an update every 2 months, and Simplify fraction calculator every 4 weeks. Most recently, Правила русского языка + was updated on November 2, 2026 and Simplify fraction calculator on November 3, 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.*