# Vector Mountain vs Probability Distribution Lab

The clearest difference is ads: Vector Mountain at none against Probability Distribution Lab's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Vector Mountain sells 3 in-app purchases, starting at $24.99 per month and Probability Distribution Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Vector Mountain | Probability Distribution Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | — |
| Size | 48 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LEARN MOUNTAIN LLC](https://appshunter.io/developer/1800083061) | [AKIO FURUTSUKA](https://appshunter.io/developer/1869216839) |

## What reviewers say

### Vector Mountain

[App page](https://appshunter.io/ios/app/vector-mountain-algebra/id6802356224)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Monthly | $24.99 | per month |
| Individual Annual | $179.99 | per year |
| Family Annual | $239.99 | per year |


### Probability Distribution Lab

[App page](https://appshunter.io/ios/app/probability-distribution-lab/id6818569745)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $6.99 | one-time |


## Frequently asked questions

### Is Vector Mountain free?

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

### Is Probability Distribution Lab free?

Probability Distribution Lab is free to download, with in-app purchases available.

### Do Vector Mountain or Probability Distribution Lab have ads?

Probability Distribution Lab shows ads; Vector Mountain does not.

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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.*