# MechSpace vs Calculus & Probability Lab

The clearest difference is in-app purchases: MechSpace at none against Calculus & Probability Lab's 2. MechSpace also leads on ads (none vs shown). Calculus & Probability Lab's advantage is iOS requirement (15.1 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Calculus & Probability Lab sells 2 in-app purchases, starting at $4.99 per month. MechSpace asks for nothing beyond the download.

## The numbers

| Metric | MechSpace | Calculus & Probability Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 11 MB | 58 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aethel AI Inc.](https://appshunter.io/developer/1888746767) | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) |

## What reviewers say

### MechSpace

[App page](https://appshunter.io/ios/app/mechspace/id6761298464)

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

**In-app purchases:** none


### Calculus & Probability Lab

[App page](https://appshunter.io/ios/app/calculus-and-probability-lab/id6794595111)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcProb Lab Pro monthly | $4.99 | per month |
| CalcProb Lab Pro annual | $24.99 | per year |


## Frequently asked questions

### Is MechSpace free?

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

### Is Calculus & Probability Lab free?

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

### Do MechSpace or Calculus & Probability Lab have ads?

Calculus & Probability Lab shows ads; MechSpace 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.*