# Material Engineering vs Engineering Formulas

The clearest difference is iOS requirement: Engineering Formulas 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 Engineering Formulas sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Material Engineering ships an update every 3 months, Engineering Formulas every 2 months. The most recent releases landed on July 6, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Material Engineering | Engineering Formulas |
| --- | --- | --- |
| 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 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## 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 |


### Engineering Formulas

[App page](https://appshunter.io/ios/app/engineering-formulas-engiref/id6758258119)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |
| Lifetime Access | $54.99 | one-time |


## Frequently asked questions

### Is Material Engineering free?

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

### Is Engineering Formulas free?

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

### Do Material Engineering or Engineering Formulas have ads?

Neither Material Engineering nor Engineering Formulas shows ads.

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

Material Engineering ships an update every 3 months, and Engineering Formulas every 2 months. Most recently, Material Engineering was updated on July 6, 2026 and Engineering Formulas on August 18, 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.*