# AI Math vs CombiPerm Calculator by CS

The clearest difference is ads: AI Math at none against CombiPerm Calculator by CS's shown. AI Math also leads on iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AI Math sells 2 in-app purchases, starting at $3.99 per 7 days and CombiPerm Calculator by CS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI Math | CombiPerm Calculator by CS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Size | 16 MB | 12 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kamalkumar Trapasiya](https://appshunter.io/developer/1587617174) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### AI Math

[App page](https://appshunter.io/ios/app/ai-math-solver-app-plus/id6748002691)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Yearly Access | $19.99 | per year |


### 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 AI Math free?

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

### Is CombiPerm Calculator by CS free?

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

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

CombiPerm Calculator by CS shows ads; AI Math 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.*