# Engineering Math Quiz vs REO Mechanical Engineering

The clearest difference is in-app purchases: REO Mechanical Engineering at none against Engineering Math Quiz's 7. REO Mechanical Engineering also leads on ads (none vs shown). Engineering Math Quiz's advantage is update cadence (every 3 weeks vs every 21 months) and iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. Engineering Math Quiz sells 7 in-app purchases, starting at $4.99 per month. REO Mechanical Engineering asks for nothing beyond the download.

Engineering Math Quiz ships an update every 3 weeks, REO Mechanical Engineering every 21 months. The most recent releases landed on October 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Engineering Math Quiz | REO Mechanical Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/engineering-math-quiz/id1583491466/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 21 months |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 452 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Rex Banggawan](https://appshunter.io/developer/1516403954) |

## What reviewers say

### Engineering Math Quiz

[App page](https://appshunter.io/ios/app/engineering-math-quiz/id1583491466)

Practice over 350 engineering math trivia questions with this free iOS app. It offers self-assessment tests and answer keys for various topics, aiding students in their learning and exam preparation.

**Highlights:** 350+ engineering math trivia questions, Self-assessment tests, Answer keys provided, Covers basic and advanced topics, Revision guide for students, Practice for online exams

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $0.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### REO Mechanical Engineering

[App page](https://appshunter.io/ios/app/reo-mechanical-engineering/id1616497471)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Math Quiz free?

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

### Is REO Mechanical Engineering free?

REO Mechanical Engineering is free to download, with no in-app purchases.

### Do Engineering Math Quiz or REO Mechanical Engineering have ads?

Engineering Math Quiz shows ads; REO Mechanical Engineering does not.

### Which is updated more often, Engineering Math Quiz or REO Mechanical Engineering?

Engineering Math Quiz ships an update every 3 weeks, and REO Mechanical Engineering every 21 months. Most recently, Engineering Math Quiz was updated on October 20, 2026 and REO Mechanical Engineering on September 17, 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.*