# Grade Book HD vs Промышленная безопасность 2026

The clearest difference is price: Промышленная безопасность 2026 at Free against Grade Book HD's $4.99. Промышленная безопасность 2026 also leads on rating (4.8 vs 1.0) and update cadence (every 3 months vs every 24 months). Grade Book HD's advantage is in-app purchases (none vs 3) and ads (none vs shown). On review sentiment and device support there is nothing between them.

Промышленная безопасность 2026 is free to download; Grade Book HD costs $4.99 up front. Промышленная безопасность 2026 sells 3 in-app purchases, starting at $2.99 per month. Grade Book HD asks for nothing beyond the download.

Промышленная безопасность 2026 holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Промышленная безопасность 2026 has 54 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Grade Book HD ships an update every 24 months, Промышленная безопасность 2026 every 3 months. The most recent releases landed on June 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Grade Book HD | Промышленная безопасность 2026 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/grade-book-hd/id369319816/reviews) | **[4.8 (54 ratings)](https://appshunter.io/ios/app/2026/id1619674480/reviews)** |
| Number of ratings | 1 | **54** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 67 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Aleksandr Alekseev](https://appshunter.io/developer/1227414052) |

## What reviewers say

### Grade Book HD

[App page](https://appshunter.io/ios/app/grade-book-hd/id369319816)

This app assists educators in managing student grades, marks, and credits for various classes. It provides real-time averages and credit sums for each student, along with progress tracking against class goals. Data can be emailed for backup and analysis.

**Highlights:** Track grades, marks, and credits, View up-to-date student averages, Monitor student progress against goals, Email data for backup and processing, Manage multiple classes

**Features:** macOS Compatibility

**In-app purchases:** none


### Промышленная безопасность 2026

[App page](https://appshunter.io/ios/app/2026/id1619674480)

Prepare for industrial and energy safety exams with practice questions aligned with official requirements. Test yourself across various categories, including general safety, specialized areas, and energy security. Track your progress and focus on weak areas with dedicated modes.

**Highlights:** Comprehensive question banks, Category-specific testing, Timed 'Marathon' mode, Review 'My Mistakes', Exam simulation mode, Question search functionality, Individual statistics

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Промбезопасность - 1 месяц | $2.99 | per month |
| Пром безопасность - 3 месяца | $5.99 | per 3 months |
| Промышленная безопасность: год | $9.99 | per year |


## Frequently asked questions

### Is Grade Book HD free?

Grade Book HD costs $4.99, with no in-app purchases.

### Is Промышленная безопасность 2026 free?

Промышленная безопасность 2026 is free to download, with in-app purchases available.

### Which has better reviews, Grade Book HD or Промышленная безопасность 2026?

Промышленная безопасность 2026 is rated higher. Grade Book HD averages 1.0 out of 5 from 1 ratings, while Промышленная безопасность 2026 averages 4.8 from 54 ratings.

### Do Grade Book HD or Промышленная безопасность 2026 have ads?

Промышленная безопасность 2026 shows ads; Grade Book HD does not.

### Which is updated more often, Grade Book HD or Промышленная безопасность 2026?

Grade Book HD ships an update every 24 months, and Промышленная безопасность 2026 every 3 months. Most recently, Grade Book HD was updated on June 4, 2026 and Промышленная безопасность 2026 on October 30, 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.*