# UNEA vs STEM Exchange 2025

The clearest difference is device support: UNEA at 2 against STEM Exchange 2025's —. On price, in-app purchases and iOS requirement 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 | UNEA | STEM Exchange 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 22 MB | 21 MB |
| Requires iOS | 16.1 | 16.1 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [UNEP](https://appshunter.io/developer/1106793919) | [RTI International](https://appshunter.io/developer/549719529) |

## What reviewers say

### UNEA

[App page](https://appshunter.io/ios/app/unea/id6747852815)

**Features:** macOS Compatibility

**In-app purchases:** none


### STEM Exchange 2025

[App page](https://appshunter.io/ios/app/stem-exchange-2025/id6749871299)

**In-app purchases:** none


## Frequently asked questions

### Is UNEA free?

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

### Is STEM Exchange 2025 free?

STEM Exchange 2025 is free to download, with no in-app purchases.

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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.*