# GROL Prep vs Wordaboo

The clearest difference is in-app purchases: GROL Prep at none against Wordaboo's 2. GROL Prep also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Wordaboo sells 2 in-app purchases, starting at $9.99 per month. GROL Prep asks for nothing beyond the download.

## The numbers

| Metric | GROL Prep | Wordaboo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 35 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mr Wolfe Aviation LLC](https://appshunter.io/developer/1896335149) | [Zarina Giyasova](https://appshunter.io/developer/6801520409) |

## What reviewers say

### GROL Prep

[App page](https://appshunter.io/ios/app/grol-prep/id6786787749)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wordaboo

[App page](https://appshunter.io/ios/app/wordaboo-learn-languages/id6801520407)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is GROL Prep free?

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

### Is Wordaboo free?

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

### Do GROL Prep or Wordaboo have ads?

Wordaboo shows ads; GROL Prep 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.*