# OSRB Parent vs Java Programming Tutorials

The clearest difference is in-app purchases: OSRB Parent at none against Java Programming Tutorials's 1. OSRB Parent also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Java Programming Tutorials sells 1 one-off in-app purchase. OSRB Parent asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | OSRB Parent | Java Programming Tutorials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osrb-parent/id1341308418/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 33 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thinkit doo](https://appshunter.io/developer/1392908612) | [Yoan Enchev](https://appshunter.io/developer/1717245436) |

## 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


### Java Programming Tutorials

[App page](https://appshunter.io/ios/app/java-programming-tutorials/id6472858279)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Java Champ Premium | $12.99 | one-time |


## Frequently asked questions

### Is OSRB Parent free?

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

### Is Java Programming Tutorials free?

Java Programming Tutorials is free to download, with in-app purchases available.

### Do OSRB Parent or Java Programming Tutorials have ads?

Java Programming Tutorials shows ads; OSRB Parent does not.

### Which is updated more often, OSRB Parent or Java Programming Tutorials?

OSRB Parent ships an update every 3 weeks, and Java Programming Tutorials every 3 weeks. Most recently, OSRB Parent was updated on October 1, 2026 and Java Programming Tutorials on September 28, 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.*