# Mechanical Components vs QuaLean

The clearest difference is iOS requirement: QuaLean at 15.1 against Mechanical Components's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Mechanical Components sells 4 in-app purchases, starting at $7.99 per 7 days and QuaLean sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mechanical Components ships an update every 7 months, QuaLean every 5 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mechanical Components | QuaLean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mechanical-components/id6738186476/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 52 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### 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 |


### QuaLean

[App page](https://appshunter.io/ios/app/qualean/id6746635737)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Automotive Quality System | $119.99 | one-time |


## Frequently asked questions

### Is Mechanical Components free?

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

### Is QuaLean free?

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

### Do Mechanical Components or QuaLean have ads?

Neither Mechanical Components nor QuaLean shows ads.

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

Mechanical Components ships an update every 7 months, and QuaLean every 5 months. Most recently, Mechanical Components was updated on October 2, 2026 and QuaLean on October 7, 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.*