# Matrix Operations vs UP DL4U

The clearest difference is in-app purchases: UP DL4U at none against Matrix Operations's 1. UP DL4U also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.5). Matrix Operations's advantage is update cadence (every 10 days vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Matrix Operations sells 1 one-off in-app purchase. UP DL4U asks for nothing beyond the download.

Matrix Operations ships an update every 10 days, UP DL4U every 7 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Matrix Operations | UP DL4U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/matrix-operations/id1546613436/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 76 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Vitalii Solovei](https://appshunter.io/developer/1535373267) | [Centros Culturales de Mexico AC.](https://appshunter.io/developer/456331250) |

## What reviewers say

### Matrix Operations

[App page](https://appshunter.io/ios/app/matrix-operations/id1546613436)

This app is a comprehensive matrix calculator that solves various matrix operations with detailed, step-by-step solutions. It supports numerous methods for solving linear equations, finding determinants, inverses, ranks, and decompositions. The app also offers custom input and the ability to save and edit solutions.

**Highlights:** Solves systems of linear equations, Calculates matrix determinants and inverses, Performs QR, LU, and Cholesky decompositions, Finds eigenvalues and eigenvectors, Step-by-step solution descriptions, Custom keyboard for data entry, Works offline

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | one-time |


### UP DL4U

[App page](https://appshunter.io/ios/app/up-dl4u/id1661727440)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Matrix Operations free?

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

### Is UP DL4U free?

UP DL4U is free to download, with no in-app purchases.

### Do Matrix Operations or UP DL4U have ads?

Matrix Operations shows ads; UP DL4U does not.

### Which is updated more often, Matrix Operations or UP DL4U?

Matrix Operations ships an update every 10 days, and UP DL4U every 7 months. Most recently, Matrix Operations was updated on September 24, 2026 and UP DL4U on September 15, 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.*