# OSRB Parent vs Engineering Math Quiz

The clearest difference is in-app purchases: OSRB Parent at none against Engineering Math Quiz's 7. OSRB Parent also leads on ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Engineering Math Quiz sells 7 in-app purchases, starting at $4.99 per month. OSRB Parent asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OSRB Parent against 5.0 for Engineering Math Quiz. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | OSRB Parent | Engineering Math Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/osrb-parent/id1341308418/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/engineering-math-quiz/id1583491466/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 33 MB | 68 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thinkit doo](https://appshunter.io/developer/1392908612) | [Arshad Iqbal](https://appshunter.io/developer/1547001151) |

## What reviewers say

### OSRB Parent

[App page](https://appshunter.io/ios/app/osrb-parent/id1341308418)

This app facilitates communication between parents and staff of the "Ruđer Bošković" International Educational System. It provides access to announcements, electronic gradebooks, subject information, galleries, and notifications.

**Highlights:** Announcement board, Electronic gradebook, Subjects and textbooks, Photo gallery, Push notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Engineering Math Quiz

[App page](https://appshunter.io/ios/app/engineering-math-quiz/id1583491466)

Practice over 350 engineering math trivia questions with this free iOS app. It offers self-assessment tests and answer keys for various topics, aiding students in their learning and exam preparation.

**Highlights:** 350+ engineering math trivia questions, Self-assessment tests, Answer keys provided, Covers basic and advanced topics, Revision guide for students, Practice for online exams

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $0.99 | one-time |
| 6000 Coins | $2.99 | one-time |


## Frequently asked questions

### Is OSRB Parent free?

OSRB Parent is free to download, with no in-app purchases.

### Is Engineering Math Quiz free?

Engineering Math Quiz is free to download, with in-app purchases available.

### Which has better reviews, OSRB Parent or Engineering Math Quiz?

OSRB Parent and Engineering Math Quiz are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do OSRB Parent or Engineering Math Quiz have ads?

Engineering Math Quiz shows ads; OSRB Parent does not.

### Which is updated more often, OSRB Parent or Engineering Math Quiz?

OSRB Parent ships an update every 3 weeks, and Engineering Math Quiz every 3 weeks. Most recently, OSRB Parent was updated on October 17, 2026 and Engineering Math Quiz on October 20, 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.*