# В уме vs Правила русского языка +

The clearest difference is rating: В уме at 4.8 against Правила русского языка +'s 3.9. В уме also leads on review sentiment (93% vs 53%) and in-app purchases (none vs 1). Правила русского языка +'s advantage is update cadence (every 2 months vs every 7 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Правила русского языка + sells 1 one-off in-app purchase. В уме asks for nothing beyond the download.

В уме holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 25 and 27 respectively. Written reviews point the same way: 93% of В уме's written reviews are positive against 53% of Правила русского языка +'s.

В уме ships an update every 7 months, Правила русского языка + every 2 months. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | В уме | Правила русского языка + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/id482487701/reviews)** | [3.9 (27 ratings)](https://appshunter.io/ios/app/plus/id1169946909/reviews) |
| Number of ratings | 25 | **27** |
| Positive reviews | **92.6% of reviews** | 53.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 9 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [Aleksei Mezhevikin](https://appshunter.io/developer/466321873) |

## What reviewers say

### В уме

[App page](https://appshunter.io/ios/app/id482487701)

Practice mental math with a collection of 1001 arithmetic problems. This app offers a way to exercise your brain, inspired by classic educational methods. It's perfect for quick mental workouts anytime, anywhere.

**Highlights:** 1001 mental math problems, Inspired by classic educational methods, Brain development exercises, Accessible for on-the-go practice, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is В уме free?

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

### Is Правила русского языка + free?

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

### Which has better reviews, В уме or Правила русского языка +?

В уме is rated higher. В уме averages 4.8 out of 5 from 25 ratings, while Правила русского языка + averages 3.9 from 27 ratings.

### Do В уме or Правила русского языка + have ads?

Neither В уме nor Правила русского языка + shows ads.

### Which is updated more often, В уме or Правила русского языка +?

В уме ships an update every 7 months, and Правила русского языка + every 2 months. Most recently, В уме was updated on October 6, 2026 and Правила русского языка + on October 17, 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.*