# Gear Design vs Linear Algebra World

The clearest difference is price: Linear Algebra World at Free against Gear Design's $2.99. Linear Algebra World also leads on rating (5.0 vs 1.5) and update cadence (every 5 days vs every 12 months). Gear Design's advantage is iOS requirement (9.3 vs 16.6). On ratings volume, ads and in-app purchases there is nothing between them.

Linear Algebra World is free to download; Gear Design costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Linear Algebra World holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Gear Design ships an update every 12 months, Linear Algebra World every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gear Design | Linear Algebra World |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/gear-design/id1136191442/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linear-algebra-world/id6759180671/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Size | 38 MB | 10 MB |
| Requires iOS | **9.3** | 16.6 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588) | [Eteri Byazrova](https://appshunter.io/developer/1579097115) |

## What reviewers say

### Gear Design

[App page](https://appshunter.io/ios/app/gear-design/id1136191442)

Design involute gears with a CAD interface, allowing visual assessment through touch gestures. Generate and export STL data for 3D printing and perform tooth bending strength analysis with PDF sharing.

**Highlights:** Involute gear design, CAD interface, Touch gesture controls (zoom, rotate), STL data generation, Email export, Tooth bending strength analysis, PDF sharing

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

**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 Gear Design free?

Gear Design costs $2.99, 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, Gear Design or Linear Algebra World?

Linear Algebra World is rated higher. Gear Design averages 1.5 out of 5 from 2 ratings, while Linear Algebra World averages 5.0 from 1 ratings.

### Do Gear Design or Linear Algebra World have ads?

Neither Gear Design nor Linear Algebra World shows ads.

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

Gear Design ships an update every 12 months, and Linear Algebra World every 5 days. Most recently, Gear Design was updated on November 2, 2026 and Linear Algebra World on October 31, 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.*