# Chromaticity Assistant vs Frequency Generator

The clearest difference is in-app purchases: Chromaticity Assistant at none against Frequency Generator's 2. Frequency Generator's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Frequency Generator sells 2 in-app purchases, starting at $3.99 per 7 days. Chromaticity Assistant asks for nothing beyond the download.

Chromaticity Assistant ships an update every 5 months, Frequency Generator every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Chromaticity Assistant | Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chromaticity-assistant/id6504816355/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 282 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [克俊 张](https://appshunter.io/developer/1168250350) | [Emre Atik](https://appshunter.io/developer/1686436153) |

## 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


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generatorsound-wave/id6752813377)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Days Free Trial Weekly PRO | $3.99 | per 7 days |
| Sona Annual PRO | $19.99 | per year |


## Frequently asked questions

### Is Chromaticity Assistant free?

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

### Is Frequency Generator free?

Frequency Generator is free to download, with in-app purchases available.

### Do Chromaticity Assistant or Frequency Generator have ads?

Neither Chromaticity Assistant nor Frequency Generator shows ads.

### Which is updated more often, Chromaticity Assistant or Frequency Generator?

Chromaticity Assistant ships an update every 5 months, and Frequency Generator every 3 weeks. Most recently, Chromaticity Assistant was updated on October 7, 2026 and Frequency Generator on October 11, 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.*