# Chromaticity Assistant vs SouSou

The clearest difference is price: Chromaticity Assistant at Free against SouSou's $0.99. SouSou's advantage is update cadence (fortnightly vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Chromaticity Assistant is free to download; SouSou costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chromaticity Assistant ships an update every 5 months, SouSou fortnightly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chromaticity Assistant | SouSou |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chromaticity-assistant/id6504816355/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 15 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [克俊 张](https://appshunter.io/developer/1168250350) | [娇 李](https://appshunter.io/developer/1700298679) |

## What reviewers say

### Chromaticity Assistant

[App page](https://appshunter.io/ios/app/chromaticity-assistant/id6504816355)

This app provides color management and analysis tools. It supports color space conversion, spectral analysis of visible light, and color gamut analysis for various standards.

**Highlights:** Color space conversion (RGB, CMYK, HSV, LAB, HEX), Spectral analysis (CIE-1931, CIE-1976), Color gamut analysis (DCI-P3, NTSC, sRGB, Adobe RGB), Import optical spectrum data (CSV), Import primary color coordinates (CSV)

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

**In-app purchases:** none


### SouSou

[App page](https://appshunter.io/ios/app/sousou-quick-search/id6747947379)

This tool bypasses app homepages and recommended content to take you directly to search results. Focus on your search queries without distractions, quickly accessing the information you need. It also offers history tracking and desktop widgets for faster access.

**Highlights:** Direct search result access, Skip homepage feeds, Record search history, App shortcut commands, Desktop widget support

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

**In-app purchases:** none


## Frequently asked questions

### Is Chromaticity Assistant free?

Chromaticity Assistant is free to download, with no in-app purchases.

### Is SouSou free?

SouSou costs $0.99, with no in-app purchases.

### Do Chromaticity Assistant or SouSou have ads?

Neither Chromaticity Assistant nor SouSou shows ads.

### Which is updated more often, Chromaticity Assistant or SouSou?

Chromaticity Assistant ships an update every 5 months, and SouSou fortnightly. Most recently, Chromaticity Assistant was updated on October 7, 2026 and SouSou on October 28, 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.*