# PhotoMetrix vs Create Easy Chart

The clearest difference is in-app purchases: PhotoMetrix at none against Create Easy Chart's 1. PhotoMetrix also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). Create Easy Chart's advantage is iOS requirement (13.0 vs 15). On price and device support there is nothing between them.

Both are free to download. Create Easy Chart sells 1 one-off in-app purchase. PhotoMetrix asks for nothing beyond the download.

PhotoMetrix ships an update every 3 weeks, Create Easy Chart every 4 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PhotoMetrix | Create Easy Chart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 27 MB | 37 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gilson Augusto Helfer](https://appshunter.io/developer/1131751264) | [Felipe Reitz](https://appshunter.io/developer/1651010446) |

## What reviewers say

### PhotoMetrix

[App page](https://appshunter.io/ios/app/photometrix/id1220976347)

This application performs univariate and multivariate data analysis using image acquisition and RGB histograms. It supports various color systems and can export data and charts via email for validation with other software.

**Highlights:** Univariate analysis with Single Linear Correlation, Multivariate analysis with Principal Component Analysis (PCA), Image data acquisition via device camera, RGB histogram conversion, Support for RGB, HSV, HSL, and HSI color systems, Email export of data, analysis, and charts, Calculation of eigenvalues, eigenvectors, scores, and loadings

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

**In-app purchases:** none


### Create Easy Chart

[App page](https://appshunter.io/ios/app/create-easy-chart/id6444031576)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is PhotoMetrix free?

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

### Is Create Easy Chart free?

Create Easy Chart is free to download, with in-app purchases available.

### Do PhotoMetrix or Create Easy Chart have ads?

Create Easy Chart shows ads; PhotoMetrix does not.

### Which is updated more often, PhotoMetrix or Create Easy Chart?

PhotoMetrix ships an update every 3 weeks, and Create Easy Chart every 4 months. Most recently, PhotoMetrix was updated on October 11, 2026 and Create Easy Chart on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*