# iSolveModel vs Linear Algebra World

The clearest difference is price: Linear Algebra World at Free against iSolveModel's $9.99. Linear Algebra World also leads on update cadence (every 5 days vs every 4 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Linear Algebra World is free to download; iSolveModel costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for iSolveModel against 5.0 for Linear Algebra World. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

iSolveModel ships an update every 4 months, Linear Algebra World every 5 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iSolveModel | Linear Algebra World |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/isolvemodel/id387627473/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/linear-algebra-world/id6759180671/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 10 MB |
| Requires iOS | 17.1 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [MINDTech](https://appshunter.io/developer/382887010) | [Eteri Byazrova](https://appshunter.io/developer/1579097115) |

## What reviewers say

### iSolveModel

[App page](https://appshunter.io/ios/app/isolvemodel/id387627473)

This app offers a powerful linear programming solver for iOS devices, utilizing the simplex algorithm and an integrated MIP solver for integer variables. It's designed for students and professionals in operations research and related fields, allowing easy model creation and sharing.

**Highlights:** Linear programming solver, Simplex algorithm, Integrated MIP solver, Sensitivity analysis, iTunes File Sharing, Email model/solution transfer, Text-based model documents

**Features:** macOS Compatibility

**In-app purchases:** none


### Linear Algebra World

[App page](https://appshunter.io/ios/app/linear-algebra-world/id6759180671)

This app offers a rigorous yet accessible approach to linear algebra, combining a matrix calculator, interactive algorithm visualizer, and a structured learning path. It aims to build intuition through visual tools and a coherent system based on axioms, suitable for students and instructors.

**Highlights:** Matrix calculator, Interactive algorithm visualizer, Structured learning pathway, Visual tools for abstract topics, LaTeX import and export, Coherent system based on axioms

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iSolveModel free?

iSolveModel costs $9.99, with no in-app purchases.

### Is Linear Algebra World free?

Linear Algebra World is free to download, with no in-app purchases.

### Which has better reviews, iSolveModel or Linear Algebra World?

iSolveModel and Linear Algebra World are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do iSolveModel or Linear Algebra World have ads?

Neither iSolveModel nor Linear Algebra World shows ads.

### Which is updated more often, iSolveModel or Linear Algebra World?

iSolveModel ships an update every 4 months, and Linear Algebra World every 5 days. Most recently, iSolveModel was updated on November 1, 2026 and Linear Algebra World on October 31, 2026.

---

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