# Grade 9 Physics Quiz vs Poly Bla Bla

The clearest difference is in-app purchases: Poly Bla Bla at none against Grade 9 Physics Quiz's 7. Poly Bla Bla also leads on ads (none vs shown). Grade 9 Physics Quiz's advantage is update cadence (every 3 weeks vs every 10 months) and iOS requirement (12.0 vs 16.4). On price 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. Poly Bla Bla asks for nothing beyond the download.

Grade 9 Physics Quiz ships an update every 3 weeks, Poly Bla Bla every 10 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Grade 9 Physics Quiz | Poly Bla Bla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Size | 68 MB | 50 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Atomic Web App and Services Inc](https://appshunter.io/developer/1584556772) |

## 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 |


### Poly Bla Bla

[App page](https://appshunter.io/ios/app/poly-bla-bla/id6474981153)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grade 9 Physics Quiz free?

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

### Is Poly Bla Bla free?

Poly Bla Bla is free to download, with no in-app purchases.

### Do Grade 9 Physics Quiz or Poly Bla Bla have ads?

Grade 9 Physics Quiz shows ads; Poly Bla Bla does not.

### Which is updated more often, Grade 9 Physics Quiz or Poly Bla Bla?

Grade 9 Physics Quiz ships an update every 3 weeks, and Poly Bla Bla every 10 months. Most recently, Grade 9 Physics Quiz was updated on October 12, 2026 and Poly Bla Bla on October 10, 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.*