# PhotoMetrix vs EvalBee

The clearest difference is in-app purchases: PhotoMetrix at none against EvalBee's 7. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. EvalBee sells 7 one-off in-app purchases. PhotoMetrix asks for nothing beyond the download.

PhotoMetrix ships an update every 3 weeks, EvalBee monthly. The most recent releases landed on September 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PhotoMetrix | EvalBee |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (118 ratings)](https://appshunter.io/ios/app/evalbee/id1537594035/reviews)** |
| Number of ratings | — | **118** |
| Positive reviews | 66.7% of reviews | **70.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 62 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Gilson Augusto Helfer](https://appshunter.io/developer/1131751264) | [Monika Patel](https://appshunter.io/developer/1534703483) |

## 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


### EvalBee

[App page](https://appshunter.io/ios/app/evalbee/id1537594035)

This app streamlines the grading process for teachers by allowing them to create custom OMR answer sheets and scan them in real-time. It provides detailed performance analysis for students and can export reports in Excel format.

**Highlights:** Create custom OMR answer sheet templates, Scan answer sheets in real-time, Generate student performance analysis, Export detailed reports to Excel, Send individual reports via email, Supports various answer option types

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud storage | $5.99 | one-time |
| Pro_01_accounts | $5.99 | one-time |
| professional plan | $5.99 | one-time |
| Professional 03 account | $17.99 | one-time |
| Professional 05 accounts | $24.99 | one-time |
| Small Enterprise Plan | $24.99 | one-time |
| Enterprise plan | $49.99 | one-time |


## Frequently asked questions

### Is PhotoMetrix free?

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

### Is EvalBee free?

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

### Do PhotoMetrix or EvalBee have ads?

Neither PhotoMetrix nor EvalBee shows ads.

### Which is updated more often, PhotoMetrix or EvalBee?

PhotoMetrix ships an update every 3 weeks, and EvalBee monthly. Most recently, PhotoMetrix was updated on September 25, 2026 and EvalBee on October 10, 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.*