# StemsRoom vs STEM

The clearest difference is in-app purchases: StemsRoom at none against STEM's 5. STEM's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. STEM sells 5 in-app purchases, starting at $9.99 per month. StemsRoom asks for nothing beyond the download.

StemsRoom ships an update every 2 weeks, STEM every 3 days. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StemsRoom | STEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 36 MB | 3 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Theo Meyer](https://appshunter.io/developer/1883707588) | [CEM OZAN DUZENCI](https://appshunter.io/developer/6782101402) |

## What reviewers say

### StemsRoom

[App page](https://appshunter.io/ios/app/stemsroom/id6760299442)

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

**In-app purchases:** none


### STEM

[App page](https://appshunter.io/ios/app/stem-x-vocal-isolation/id6791375004)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $9.99 | per month |
| Pro Plan | $19.99 | per month |
| Basic Plan | $99.99 | per year |
| Pro Plan | $199.99 | per year |
| Energy Token | $4.99 | one-time |


## Frequently asked questions

### Is StemsRoom free?

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

### Is STEM free?

STEM is free to download, with in-app purchases available.

### Do StemsRoom or STEM have ads?

Neither StemsRoom nor STEM shows ads.

### Which is updated more often, StemsRoom or STEM?

StemsRoom ships an update every 2 weeks, and STEM every 3 days. Most recently, StemsRoom was updated on October 2, 2026 and STEM on October 12, 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.*