# Spectral Shift vs Speed States

The clearest difference is in-app purchases: Spectral Shift at none against Speed States's 1. Spectral Shift also leads on iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Speed States sells 1 one-off in-app purchase. Spectral Shift asks for nothing beyond the download.

## The numbers

| Metric | Spectral Shift | Speed States |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 63 MB | 21 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL TVRDY](https://appshunter.io/developer/1675124258) | [Matt Spergel](https://appshunter.io/developer/1887107335) |

## What reviewers say

### Spectral Shift

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Speed States

[App page](https://appshunter.io/ios/app/speed-states/id6760975776)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speed States Pro | $1.99 | one-time |


## Frequently asked questions

### Is Spectral Shift free?

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

### Is Speed States free?

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

### Do Spectral Shift or Speed States have ads?

Neither Spectral Shift nor Speed States 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.*