# Material Engineering vs QuaLean

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

Both are free to download. Material Engineering sells 6 in-app purchases, starting at $9.99 per month and QuaLean sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Material Engineering ships an update every 3 months, QuaLean every 5 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Material Engineering | QuaLean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/material-engineering/id6739977362/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 52 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | 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

### Material Engineering

[App page](https://appshunter.io/ios/app/material-engineering/id6739977362)

Master material science concepts with an engaging quiz app. Explore diverse topics, receive instant feedback, and track your progress. Perfect for students, professionals, and enthusiasts seeking to deepen their understanding of materials.

**Highlights:** Comprehensive quizzes on various material types, Expert-designed challenging questions, Instant feedback with detailed explanations, Personalized progress tracking and analytics, Diverse quiz modes (practice, timed, topic-focused), Achievements and leaderboards

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


### 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 Material Engineering free?

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

### Is QuaLean free?

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

### Do Material Engineering or QuaLean have ads?

Neither Material Engineering nor QuaLean shows ads.

### Which is updated more often, Material Engineering or QuaLean?

Material Engineering ships an update every 3 months, and QuaLean every 5 months. Most recently, Material Engineering was updated on October 1, 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.*