# Grammar Express vs Grade 9 Physics Quiz

The clearest difference is ads: Grammar Express at none against Grade 9 Physics Quiz's shown. Grade 9 Physics Quiz's advantage is update cadence (every 3 weeks vs every 13 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Grammar Express sells 1 one-off in-app purchase and Grade 9 Physics Quiz sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Grammar Express ships an update every 13 months, Grade 9 Physics Quiz every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Grammar Express | Grade 9 Physics Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/grammar-express-nouns-lite/id369556344/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 68 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Arshad Iqbal](https://appshunter.io/developer/1547001151) |

## What reviewers say

### Grammar Express

[App page](https://appshunter.io/ios/app/grammar-express-nouns-lite/id369556344)

Master the different types of nouns with interactive lessons and quizzes. Improve your understanding of noun classification, gender, number, and case through practice questions and detailed feedback. Track your progress with visual charts and customize your learning experience with adjustable timers.

**Highlights:** 48+ pages of grammar lessons and rules, 327+ examples with explanations, 450 multiple-choice questions, Topic-based study and mock tests, Detailed test results and progress tracking, Customizable timer settings, Voice-over feature

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is Grammar Express free?

Grammar Express is free to download, with in-app purchases available.

### Is Grade 9 Physics Quiz free?

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

### Do Grammar Express or Grade 9 Physics Quiz have ads?

Grade 9 Physics Quiz shows ads; Grammar Express does not.

### Which is updated more often, Grammar Express or Grade 9 Physics Quiz?

Grammar Express ships an update every 13 months, and Grade 9 Physics Quiz every 3 weeks. Most recently, Grammar Express was updated on November 1, 2026 and Grade 9 Physics Quiz on November 7, 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.*