# Электробезопасность тесты 4 гр vs ChessManual

The clearest difference is review sentiment: ChessManual at 100% against Электробезопасность тесты 4 гр's 25%. ChessManual also leads on price (Free vs $1.99). Электробезопасность тесты 4 гр's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and device support there is nothing between them.

ChessManual is free to download; Электробезопасность тесты 4 гр costs $1.99 up front. ChessManual sells 2 in-app purchases, starting at $3.99 per month. Электробезопасность тесты 4 гр asks for nothing beyond the download.

Электробезопасность тесты 4 гр ships an update every 3 months, ChessManual every 2 months. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Электробезопасность тесты 4 гр | ChessManual |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chessmanual-learn-and-practice/id1597903654/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 18 MB | 116 MB |
| Requires iOS | **12.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [Sergei Lazarenko](https://appshunter.io/developer/1818587669) |

## What reviewers say

### Электробезопасность тесты 4 гр

[App page](https://appshunter.io/ios/app/4/id1524156838)

Prepare for and test your knowledge of electrical safety regulations for personnel working with electricity above 1000V. This app offers various training modes, including exam simulations and error correction, to ensure you are well-prepared for official certification.

**Highlights:** Test preparation with marked correct answers, Unlimited 'Marathon' mode, Realistic 'Exam' mode, Error correction feature, Offline functionality, Multiple test modes

**Features:** macOS Compatibility

**In-app purchases:** none


### ChessManual

[App page](https://appshunter.io/ios/app/chessmanual-learn-and-practice/id1597903654)

Master the game of chess with interactive lessons, puzzles, and classic game analysis. Suitable for all skill levels, from beginners to advanced players, it offers a comprehensive and engaging learning experience.

**Highlights:** Interactive chess puzzles, Games by world champions, Classic and modern chess strategies, Learn and play quests, Kid-friendly lessons, Comprehensive step-by-step lessons, Checkmate challenges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessManual Pro Monthly | $3.99 | per month |
| ChessManual Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Электробезопасность тесты 4 гр free?

Электробезопасность тесты 4 гр costs $1.99, with no in-app purchases.

### Is ChessManual free?

ChessManual is free to download, with in-app purchases available.

### Do Электробезопасность тесты 4 гр or ChessManual have ads?

ChessManual shows ads; Электробезопасность тесты 4 гр does not.

### Which is updated more often, Электробезопасность тесты 4 гр or ChessManual?

Электробезопасность тесты 4 гр ships an update every 3 months, and ChessManual every 2 months. Most recently, Электробезопасность тесты 4 гр was updated on October 10, 2026 and ChessManual on October 21, 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.*