# Rad Index vs becool

The clearest difference is device support: Rad Index at 3 against becool's 1. Rad Index also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Rad Index sells 1 one-off in-app purchase and becool sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rad Index | becool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 39 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simone Zen](https://appshunter.io/developer/1896760438) | [Aleph Retamal](https://appshunter.io/developer/971941244) |

## What reviewers say

### Rad Index

[App page](https://appshunter.io/ios/app/rad-index/id6770671896)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rad Index Premium | $8.99 | one-time |


### becool

[App page](https://appshunter.io/ios/app/becool-learn-every-day/id6822435597)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| becool Weekly | $1.99 | per 7 days |
| becool Monthly | $2.99 | per month |
| becool Yearly | $14.99 | per year |


## Frequently asked questions

### Is Rad Index free?

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

### Is becool free?

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

### Do Rad Index or becool have ads?

Neither Rad Index nor becool 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.*