# iGearbox vs Mechanical Components

The clearest difference is price: Mechanical Components at Free against iGearbox's $4.99. Mechanical Components also leads on update cadence (every 7 months vs every 55 months). iGearbox's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On rating and ads there is nothing between them.

Mechanical Components is free to download; iGearbox costs $4.99 up front. Mechanical Components sells 4 in-app purchases, starting at $7.99 per 7 days. iGearbox asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.0 for iGearbox against 3.0 for Mechanical Components. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

iGearbox ships an update every 55 months, Mechanical Components every 7 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | iGearbox | Mechanical Components |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/igearbox/id451320370/reviews) | [3.0 (2 ratings)](https://appshunter.io/ios/app/mechanical-components/id6738186476/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 7 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 49 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### iGearbox

[App page](https://appshunter.io/ios/app/igearbox/id451320370)

This app provides interactive tools to calculate gearbox ratios for regular and planetary gearboxes. It features a drag-and-drop design environment for gear trains and a dynamic graphic simulation for planetary gear sets, aiding in understanding and calculation.

**Highlights:** Interactive gear train design, Planetary gear set simulation, Ratio and speed calculations, Multiple gear train configurations, Dynamic component motion animations, Symbolic ratio equations, Dropbox data upload

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

**In-app purchases:** none


### Mechanical Components

[App page](https://appshunter.io/ios/app/mechanical-components/id6738186476)

Test your knowledge of mechanical components with interactive quizzes. Features high-quality images, instant feedback, and multiple difficulty levels to help you master engineering parts. Ideal for students, DIY enthusiasts, and professionals.

**Highlights:** Interactive quizzes on mechanical parts, High-quality component images, Instant feedback and facts, Multiple difficulty levels, Learn and master engineering components

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $7.99 | per 7 days |
| Month | $19.99 | per month |
| 6 months | $19.99 | per 6 months |
| Year | $29.99 | per year |


## Frequently asked questions

### Is iGearbox free?

iGearbox costs $4.99, with no in-app purchases.

### Is Mechanical Components free?

Mechanical Components is free to download, with in-app purchases available.

### Which has better reviews, iGearbox or Mechanical Components?

iGearbox and Mechanical Components are both rated 3.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do iGearbox or Mechanical Components have ads?

Neither iGearbox nor Mechanical Components shows ads.

### Which is updated more often, iGearbox or Mechanical Components?

iGearbox ships an update every 55 months, and Mechanical Components every 7 months. Most recently, iGearbox was updated on October 14, 2026 and Mechanical Components on October 2, 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.*