# Think 4 Skills vs Trigonometry Practice

The clearest difference is price: Think 4 Skills at Free against Trigonometry Practice's $0.49. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Think 4 Skills is free to download; Trigonometry Practice costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Think 4 Skills | Trigonometry Practice |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 19 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [YAY PRODUKSIYON LTD.](https://appshunter.io/developer/1297458081) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Think 4 Skills

[App page](https://appshunter.io/ios/app/think-4-skills/id6468892037)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trigonometry Practice

[App page](https://appshunter.io/ios/app/trigonometry-practice/id6755685152)

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

**In-app purchases:** none


## Frequently asked questions

### Is Think 4 Skills free?

Think 4 Skills is free to download, with no in-app purchases.

### Is Trigonometry Practice free?

Trigonometry Practice costs $0.49, with no in-app purchases.

### Do Think 4 Skills or Trigonometry Practice have ads?

Neither Think 4 Skills nor Trigonometry Practice 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.*