# Эврика! Логические Задачи Игры vs Знаток ЧГК

The clearest difference is ratings volume: Эврика! Логические Задачи Игры at 178 against Знаток ЧГК's 12. Эврика! Логические Задачи Игры also leads on iOS requirement (11.0 vs 18.0). Знаток ЧГК's advantage is review sentiment (52% vs 40%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Эврика! Логические Задачи Игры against 4.5 for Знаток ЧГК. That said, the two scores are not equally well evidenced: Эврика! Логические Задачи Игры has 178 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 40% of Эврика! Логические Задачи Игры's written reviews are positive against 52% of Знаток ЧГК's.

Эврика! Логические Задачи Игры ships an update every 3 weeks, Знаток ЧГК every 6 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | Эврика! Логические Задачи Игры | Знаток ЧГК |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (178 ratings)](https://appshunter.io/ios/app/id918422638/reviews)** | [4.5 (12 ratings)](https://appshunter.io/ios/app/id1017699433/reviews) |
| Number of ratings | **178** | 12 |
| Positive reviews | 40.0% of reviews | **52.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 209 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nekhoroshev Ilya](https://appshunter.io/developer/662552816) | [Viktor Grushevskiy](https://appshunter.io/developer/599506768) |

## What reviewers say

### Эврика! Логические Задачи Игры

[App page](https://appshunter.io/ios/app/id918422638)

This app offers a variety of logic and math puzzles designed to enhance critical thinking skills for both adults and students. Progress through increasingly challenging levels by solving puzzles, with explanations available after finding the solution. Earn achievements and compete on leaderboards.

**Highlights:** Logic puzzles, Math puzzles, Develops critical thinking, Progressive difficulty, Solutions with explanations, Achievements and leaderboards

**Features:** macOS Compatibility

**In-app purchases:** none


### Знаток ЧГК

[App page](https://appshunter.io/ios/app/id1017699433)

Engage in challenging trivia with over 250,000 questions and 3,000 game packs. Play offline, practice with a timer, and participate in themed tournaments. Become a true "Znаtok" through this intellectual journey.

**Highlights:** Offline play, 250,000+ questions, 3,000+ game packs, Themed tournaments, Voice assistant, Intellectual search, Random pack generation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Эврика! Логические Задачи Игры free?

Эврика! Логические Задачи Игры is free to download, with no in-app purchases.

### Is Знаток ЧГК free?

Знаток ЧГК is free to download, with no in-app purchases.

### Which has better reviews, Эврика! Логические Задачи Игры or Знаток ЧГК?

Эврика! Логические Задачи Игры is rated higher. Эврика! Логические Задачи Игры averages 4.6 out of 5 from 178 ratings, while Знаток ЧГК averages 4.5 from 12 ratings.

### Do Эврика! Логические Задачи Игры or Знаток ЧГК have ads?

Both Эврика! Логические Задачи Игры and Знаток ЧГК show ads.

### Which is updated more often, Эврика! Логические Задачи Игры or Знаток ЧГК?

Эврика! Логические Задачи Игры ships an update every 3 weeks, and Знаток ЧГК every 6 weeks. Most recently, Эврика! Логические Задачи Игры was updated on November 6, 2026 and Знаток ЧГК on November 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.*