# Grade 10 Physics Quiz vs John Orr Engineering School

The clearest difference is in-app purchases: John Orr Engineering School at none against Grade 10 Physics Quiz's 7. John Orr Engineering School also leads on ads (none vs shown). Grade 10 Physics Quiz's advantage is iOS requirement (12.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Grade 10 Physics Quiz sells 7 in-app purchases, starting at $4.99 per month. John Orr Engineering School asks for nothing beyond the download.

Grade 10 Physics Quiz ships an update every 3 weeks, John Orr Engineering School every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Grade 10 Physics Quiz | John Orr Engineering School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 68 MB | 53 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Nextnow Group (Pty) Ltd](https://appshunter.io/developer/1550928706) |

## What reviewers say

### Grade 10 Physics Quiz

[App page](https://appshunter.io/ios/app/grade-10-physics-quiz/id1581783591)

**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 |


### John Orr Engineering School

[App page](https://appshunter.io/ios/app/john-orr-engineering-school/id6741505975)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grade 10 Physics Quiz free?

Grade 10 Physics Quiz is free to download, with in-app purchases available.

### Is John Orr Engineering School free?

John Orr Engineering School is free to download, with no in-app purchases.

### Do Grade 10 Physics Quiz or John Orr Engineering School have ads?

Grade 10 Physics Quiz shows ads; John Orr Engineering School does not.

### Which is updated more often, Grade 10 Physics Quiz or John Orr Engineering School?

Grade 10 Physics Quiz ships an update every 3 weeks, and John Orr Engineering School every 2 weeks. Most recently, Grade 10 Physics Quiz was updated on November 3, 2026 and John Orr Engineering School on November 8, 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.*