# OpenBubble vs Online Student Union

The clearest difference is iOS requirement: OpenBubble at 13.0 against Online Student Union's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | OpenBubble | Online Student Union |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 24 MB | 61 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OpenBubble](https://appshunter.io/developer/1556524215) | [University of Arkansas](https://appshunter.io/developer/366890156) |

## What reviewers say

### OpenBubble

[App page](https://appshunter.io/ios/app/openbubble/id1625903250)

**Features:** macOS Compatibility

**In-app purchases:** none


### Online Student Union

[App page](https://appshunter.io/ios/app/online-student-union/id6739312095)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenBubble free?

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

### Is Online Student Union free?

Online Student Union is free to download, with no in-app purchases.

### Do OpenBubble or Online Student Union have ads?

Neither OpenBubble nor Online Student Union shows ads.

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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.*