# Ref!Ref!Ref! vs Pre School v2

The clearest difference is in-app purchases: Pre School v2 at none against Ref!Ref!Ref!'s 2. Pre School v2 also leads on iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Ref!Ref!Ref! sells 1 one-off in-app purchase. Pre School v2 asks for nothing beyond the download.

## The numbers

| Metric | Ref!Ref!Ref! | Pre School v2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | — |
| Size | 147 MB | 58 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aziz Ahmet Saybir](https://appshunter.io/developer/6788466053) | [海连 马](https://appshunter.io/developer/1675798526) |

## What reviewers say

### Ref!Ref!Ref!

[App page](https://appshunter.io/ios/app/refrefref/id6788466051)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Pre School v2

[App page](https://appshunter.io/ios/app/pre-school-v2/id6789847495)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ref!Ref!Ref! free?

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

### Is Pre School v2 free?

Pre School v2 is free to download, with no in-app purchases.

### Do Ref!Ref!Ref! or Pre School v2 have ads?

Both Ref!Ref!Ref! and Pre School v2 show 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.*