# Spectral Shift vs Pre School v2

The clearest difference is ads: Spectral Shift at none against Pre School v2's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Spectral Shift | Pre School v2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | — |
| Size | 63 MB | 58 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL TVRDY](https://appshunter.io/developer/1675124258) | [海连 马](https://appshunter.io/developer/1675798526) |

## What reviewers say

### Spectral Shift

[App page](https://appshunter.io/ios/app/spectral-shift/id6757589931)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Spectral Shift free?

Spectral Shift is free to download, with no in-app purchases.

### Is Pre School v2 free?

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

### Do Spectral Shift or Pre School v2 have ads?

Pre School v2 shows ads; Spectral Shift 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.*