# CalmLingo vs MathAAIBex

The clearest difference is in-app purchases: CalmLingo at none against MathAAIBex's 1. CalmLingo also leads on iOS requirement (15.1 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. MathAAIBex sells 1 one-off in-app purchase. CalmLingo asks for nothing beyond the download.

## The numbers

| Metric | CalmLingo | MathAAIBex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 82 MB | 39 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anuradha Welivita](https://appshunter.io/developer/1489693225) | [JT Scientific Consulting LLC](https://appshunter.io/developer/1612699648) |

## What reviewers say

### CalmLingo

[App page](https://appshunter.io/ios/app/calmlingo-language-learning/id6760699516)

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

**In-app purchases:** none


### MathAAIBex

[App page](https://appshunter.io/ios/app/mathaaibex/id6773433352)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $19.99 | one-time |


## Frequently asked questions

### Is CalmLingo free?

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

### Is MathAAIBex free?

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

### Do CalmLingo or MathAAIBex have ads?

Neither CalmLingo nor MathAAIBex shows ads.

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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.*