# Spectral Shift vs Fashion Differences

The clearest difference is ads: Spectral Shift at none against Fashion Differences's shown. Spectral Shift also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, 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.

Spectral Shift ships an update every 3 days, Fashion Differences every 2 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Spectral Shift | Fashion Differences |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 63 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL TVRDY](https://appshunter.io/developer/1675124258) | [瑶 黄](https://appshunter.io/developer/1837176620) |

## What reviewers say

### Spectral Shift

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Fashion Differences

[App page](https://appshunter.io/ios/app/fashion-differences/id6761233398)

**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 Fashion Differences free?

Fashion Differences is free to download, with no in-app purchases.

### Do Spectral Shift or Fashion Differences have ads?

Fashion Differences shows ads; Spectral Shift does not.

### Which is updated more often, Spectral Shift or Fashion Differences?

Spectral Shift ships an update every 3 days, and Fashion Differences every 2 months. Most recently, Spectral Shift was updated on October 12, 2026 and Fashion Differences on October 6, 2026.

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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.*