# Spectral Shift vs Color Block Trace

The clearest difference is iOS requirement: Spectral Shift at 12.0 against Color Block Trace's 15. On price, ads, in-app purchases and device support 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 | Color Block Trace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 63 MB | 7 MB |
| Requires iOS | **12.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL TVRDY](https://appshunter.io/developer/1675124258) | [旭萍 张](https://appshunter.io/developer/1882426038) |

## What reviewers say

### Spectral Shift

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Color Block Trace

[App page](https://appshunter.io/ios/app/color-block-trace/id6761095288)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spectral Shift free?

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

### Is Color Block Trace free?

Color Block Trace is free to download, with no in-app purchases.

### Do Spectral Shift or Color Block Trace have ads?

Neither Spectral Shift nor Color Block Trace 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.*