# Area Volume and Conversion vs 11+ Selective Thinking Skills

The clearest difference is in-app purchases: Area Volume and Conversion at none against 11+ Selective Thinking Skills's 4. Area Volume and Conversion also leads on iOS requirement (11.4 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 11+ Selective Thinking Skills sells 4 in-app purchases, starting at $4.99 per month. Area Volume and Conversion asks for nothing beyond the download.

## The numbers

| Metric | Area Volume and Conversion | 11+ Selective Thinking Skills |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | — |
| Size | 5 MB | 26 MB |
| Requires iOS | **11.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rakesh Gandhi](https://appshunter.io/developer/608287340) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Area Volume and Conversion

[App page](https://appshunter.io/ios/app/area-volume-and-conversion/id820325644)

**Features:** macOS Compatibility

**In-app purchases:** none


### 11+ Selective Thinking Skills

[App page](https://appshunter.io/ios/app/11-plus-selective-thinking-skills/id6776193330)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thinking Skills Pro | $4.99 | per month |
| Thinking Skills Full Access | $6.99 | per 7 days |
| Thinking Skills Pro | $14.99 | per year |
| Thinking Skills Full Access | $79.99 | one-time |


## Frequently asked questions

### Is Area Volume and Conversion free?

Area Volume and Conversion is free to download, with no in-app purchases.

### Is 11+ Selective Thinking Skills free?

11+ Selective Thinking Skills is free to download, with in-app purchases available.

### Do Area Volume and Conversion or 11+ Selective Thinking Skills have ads?

Neither Area Volume and Conversion nor 11+ Selective Thinking Skills shows ads.

---

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