# Matrix Determinant Calculator vs ST Robotics

The clearest difference is price: ST Robotics at Free against Matrix Determinant Calculator's $0.29. ST Robotics also leads on in-app purchases (none vs 1) and update cadence (every 3 months vs every 34 months). Matrix Determinant Calculator's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On ads there is nothing between them.

ST Robotics is free to download; Matrix Determinant Calculator costs $0.29 up front. Matrix Determinant Calculator sells 1 one-off in-app purchase. ST Robotics asks for nothing beyond the download.

Matrix Determinant Calculator ships an update every 34 months, ST Robotics every 3 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Matrix Determinant Calculator | ST Robotics |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/matrix-determinant-calculator/id6445841510/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 34 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### Matrix Determinant Calculator

[App page](https://appshunter.io/ios/app/matrix-determinant-calculator/id6445841510)

This tool calculates the determinant of square matrices of any size. Input matrices manually or in various formats, and get clear results with calculation steps. Useful for math, science, and engineering.

**Highlights:** Calculate determinants for 2x2, 3x3, and NxN matrices, User-friendly interface for matrix input, Supports manual matrix entry, Uses algorithms like Gaussian elimination, Displays clear results and calculation steps, Lifetime premium in-app purchase available

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $5.99 | one-time |


### ST Robotics

[App page](https://appshunter.io/ios/app/st-robotics/id6739212512)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Matrix Determinant Calculator free?

Matrix Determinant Calculator costs $0.29, and also offers in-app purchases.

### Is ST Robotics free?

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

### Do Matrix Determinant Calculator or ST Robotics have ads?

Neither Matrix Determinant Calculator nor ST Robotics shows ads.

### Which is updated more often, Matrix Determinant Calculator or ST Robotics?

Matrix Determinant Calculator ships an update every 34 months, and ST Robotics every 3 months. Most recently, Matrix Determinant Calculator was updated on October 12, 2026 and ST Robotics 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.*