# STEMQuest vs THE UNSTOPPABLE EVOLUTION

The clearest difference is in-app purchases: STEMQuest at none against THE UNSTOPPABLE EVOLUTION's 1. THE UNSTOPPABLE EVOLUTION's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. THE UNSTOPPABLE EVOLUTION sells 1 one-off in-app purchase. STEMQuest asks for nothing beyond the download.

## The numbers

| Metric | STEMQuest | THE UNSTOPPABLE EVOLUTION |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 7 MB | 52 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HANG ZHENG](https://appshunter.io/developer/1871954264) | [Mohammad Hasan](https://appshunter.io/developer/1840610284) |

## What reviewers say

### STEMQuest

[App page](https://appshunter.io/ios/app/stemquest/id6758280282)

**Features:** macOS Compatibility

**In-app purchases:** none


### THE UNSTOPPABLE EVOLUTION

[App page](https://appshunter.io/ios/app/the-unstoppable-evolution/id6759668227)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI SIMPLIFIED | $4.99 | one-time |


## Frequently asked questions

### Is STEMQuest free?

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

### Is THE UNSTOPPABLE EVOLUTION free?

THE UNSTOPPABLE EVOLUTION is free to download, with in-app purchases available.

### Do STEMQuest or THE UNSTOPPABLE EVOLUTION have ads?

Neither STEMQuest nor THE UNSTOPPABLE EVOLUTION 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.*