# Engineering Physics Quiz vs Mental Math Champion

The clearest difference is update cadence: Engineering Physics Quiz at every 3 weeks against Mental Math Champion's every 2 months. Engineering Physics Quiz also leads on iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Engineering Physics Quiz sells 7 in-app purchases, starting at $4.99 per month and Mental Math Champion sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Engineering Physics Quiz ships an update every 3 weeks, Mental Math Champion every 2 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Engineering Physics Quiz | Mental Math Champion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-champion/id6791796687/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 68 MB | 277 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Stealth Launch Limited Liability Company](https://appshunter.io/developer/1888983701) |

## What reviewers say

### Engineering Physics Quiz

[App page](https://appshunter.io/ios/app/engineering-physics-quiz/id1583491819)

**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 | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### Mental Math Champion

[App page](https://appshunter.io/ios/app/mental-math-champion/id6791796687)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Math Champion Pro Weekly | $2.99 | per 7 days |
| Mental Math Champion Pro Monthly! | $7.99 | per month |
| Mental Math Champion Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Engineering Physics Quiz free?

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

### Is Mental Math Champion free?

Mental Math Champion is free to download, with in-app purchases available.

### Do Engineering Physics Quiz or Mental Math Champion have ads?

Both Engineering Physics Quiz and Mental Math Champion show ads.

### Which is updated more often, Engineering Physics Quiz or Mental Math Champion?

Engineering Physics Quiz ships an update every 3 weeks, and Mental Math Champion every 2 months. Most recently, Engineering Physics Quiz was updated on October 12, 2026 and Mental Math Champion on October 24, 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.*