# Math ai vs CombiPerm Calculator by CS

The clearest difference is in-app purchases: Math ai at none against CombiPerm Calculator by CS's 1. Math ai also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.0). On price and device support there is nothing between them.

Both are free to download. CombiPerm Calculator by CS sells 1 one-off in-app purchase. Math ai asks for nothing beyond the download.

## The numbers

| Metric | Math ai | CombiPerm Calculator by CS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 34 MB | 12 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sureshbhai Khunt](https://appshunter.io/developer/1834899614) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Math ai

[App page](https://appshunter.io/ios/app/math-ai-statistics-solver/id6755485375)

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

**In-app purchases:** none


### CombiPerm Calculator by CS

[App page](https://appshunter.io/ios/app/combiperm-calculator-by-cs/id6761089836)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Math ai free?

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

### Is CombiPerm Calculator by CS free?

CombiPerm Calculator by CS is free to download, with in-app purchases available.

### Do Math ai or CombiPerm Calculator by CS have ads?

CombiPerm Calculator by CS shows ads; Math ai does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*