# GeekMath vs Chromaticity Assistant

The clearest difference is in-app purchases: Chromaticity Assistant at none against GeekMath's 1. GeekMath's advantage is update cadence (weekly vs every 5 months) and device support (4 vs 1). On price and ads there is nothing between them.

Both are free to download. GeekMath sells 1 one-off in-app purchase. Chromaticity Assistant asks for nothing beyond the download.

GeekMath ships an update weekly, Chromaticity Assistant every 5 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GeekMath | Chromaticity Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chromaticity-assistant/id6504816355/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Freemium | **Free** |
| Size | 6 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jian Chen](https://appshunter.io/developer/1439030851) | [克俊 张](https://appshunter.io/developer/1168250350) |

## What reviewers say

### GeekMath

[App page](https://appshunter.io/ios/app/geekmath/id6471944745)

This app offers a powerful and flexible calculator experience with advanced features like cross-row calculations, element linking, and real-time results. It supports multiple languages and syncs across devices, enhancing calculation efficiency for all users.

**Highlights:** Cross-row linked calculations, Element linking, Object annotation, iCloud synchronization, Multi-language support, Customizable workspace, Real-time preview

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GeekMath的VIP会员年卡 | $1.99 | one-time |


### 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


## Frequently asked questions

### Is GeekMath free?

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

### Is Chromaticity Assistant free?

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

### Do GeekMath or Chromaticity Assistant have ads?

Neither GeekMath nor Chromaticity Assistant shows ads.

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

GeekMath ships an update weekly, and Chromaticity Assistant every 5 months. Most recently, GeekMath was updated on October 9, 2026 and Chromaticity Assistant on October 7, 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.*