# Triangle Calculator Pro vs Mathio

The clearest difference is in-app purchases: Triangle Calculator Pro at none against Mathio's 3. Triangle Calculator Pro also leads on iOS requirement (16.6 vs 18.0). Mathio's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Mathio sells 3 in-app purchases, starting at $12.99 per 7 days. Triangle Calculator Pro asks for nothing beyond the download.

## The numbers

| Metric | Triangle Calculator Pro | Mathio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 days |
| Size | 4 MB | 16 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mallikarjuna Mallisetty](https://appshunter.io/developer/1843165086) | [Filippos Kagkiouzls](https://appshunter.io/developer/1871602175) |

## What reviewers say

### Triangle Calculator Pro

[App page](https://appshunter.io/ios/app/triangle-calculator-pro/id6753653656)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathio

[App page](https://appshunter.io/ios/app/mathio-math-practice/id6767033115)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mathio Premium | $12.99 | per 7 days |
| Mathio Premium | $44.99 | per year |
| Mathio Premium | $59.99 | per year |


## Frequently asked questions

### Is Triangle Calculator Pro free?

Triangle Calculator Pro is free to download, with no in-app purchases.

### Is Mathio free?

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

### Do Triangle Calculator Pro or Mathio have ads?

Triangle Calculator Pro shows ads; Mathio 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.*