# Matrix math calculator vs Standard Deviation Calc

The clearest difference is rating: Standard Deviation Calc at 3.7 against Matrix math calculator's 1.5. Standard Deviation Calc also leads on ratings volume (11 vs 2). Matrix math calculator's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Standard Deviation Calc sells 1 one-off in-app purchase. Matrix math calculator asks for nothing beyond the download.

Standard Deviation Calc holds the better App Store score, 3.7 against 1.5. That said, the two scores are not equally well evidenced: Standard Deviation Calc has 11 ratings behind it against 2, so its average is the more settled of the two.

Matrix math calculator ships an update every 3 months, Standard Deviation Calc every 5 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Matrix math calculator | Standard Deviation Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/matrix-math-calculator/id993273855/reviews) | **[3.7 (11 ratings)](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews)** |
| Number of ratings | 2 | **11** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 2 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [camilo arcila](https://appshunter.io/developer/993049913) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Matrix math calculator

[App page](https://appshunter.io/ios/app/matrix-math-calculator/id993273855)

Perform various matrix operations including addition, subtraction, and multiplication. Calculate the transposed matrix, adjoint, inverse, determinant, and rank. Supports matrices of any size (MxN).

**Highlights:** Matrix Addition, Matrix Subtraction, Matrix Multiplication, Transposed Matrix, Adjoint Matrix, Inverse Matrix, Determinant Calculation, Rank Calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Standard Deviation Calc

[App page](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733)

Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.

**Highlights:** Calculate standard deviation, Sample or population data, Compute mean and variance, Count numerical values, Sum of numbers, List of differences

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Matrix math calculator free?

Matrix math calculator is free to download, with no in-app purchases.

### Is Standard Deviation Calc free?

Standard Deviation Calc is free to download, with in-app purchases available.

### Which has better reviews, Matrix math calculator or Standard Deviation Calc?

Standard Deviation Calc is rated higher. Matrix math calculator averages 1.5 out of 5 from 2 ratings, while Standard Deviation Calc averages 3.7 from 11 ratings.

### Do Matrix math calculator or Standard Deviation Calc have ads?

Neither Matrix math calculator nor Standard Deviation Calc shows ads.

### Which is updated more often, Matrix math calculator or Standard Deviation Calc?

Matrix math calculator ships an update every 3 months, and Standard Deviation Calc every 5 months. Most recently, Matrix math calculator was updated on September 13, 2026 and Standard Deviation Calc on September 21, 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.*