# Grade 9 Physics Quiz vs IGCSE Physics Notes

The clearest difference is ads: IGCSE Physics Notes at none against Grade 9 Physics Quiz's shown. Grade 9 Physics Quiz's advantage is iOS requirement (12.0 vs 26.4). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Grade 9 Physics Quiz sells 7 in-app purchases, starting at $4.99 per month and IGCSE Physics Notes sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Grade 9 Physics Quiz ships an update every 3 weeks, IGCSE Physics Notes every 10 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Grade 9 Physics Quiz | IGCSE Physics Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 68 MB | 43 MB |
| Requires iOS | **12.0** | 26.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Hareendra Dhanushka Bandara Jayasingha Gamage](https://appshunter.io/developer/1718176438) |

## What reviewers say

### Grade 9 Physics Quiz

[App page](https://appshunter.io/ios/app/grade-9-physics-quiz/id1581783907)

**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 |


### IGCSE Physics Notes

[App page](https://appshunter.io/ios/app/igcse-physics-notes/id6776675569)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| 6 Month Premium | $44.99 | per 6 months |
| Annual Premium | $69.99 | per year |


## Frequently asked questions

### Is Grade 9 Physics Quiz free?

Grade 9 Physics Quiz is free to download, with in-app purchases available.

### Is IGCSE Physics Notes free?

IGCSE Physics Notes is free to download, with in-app purchases available.

### Do Grade 9 Physics Quiz or IGCSE Physics Notes have ads?

Grade 9 Physics Quiz shows ads; IGCSE Physics Notes does not.

### Which is updated more often, Grade 9 Physics Quiz or IGCSE Physics Notes?

Grade 9 Physics Quiz ships an update every 3 weeks, and IGCSE Physics Notes every 10 days. Most recently, Grade 9 Physics Quiz was updated on October 3, 2026 and IGCSE Physics Notes on October 5, 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.*