# Basic and Advanced Grammar vs norfly

The clearest difference is in-app purchases: norfly at none against Basic and Advanced Grammar's 2. norfly also leads on ads (none vs shown) and update cadence (monthly vs every 81 months). Basic and Advanced Grammar's advantage is iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Basic and Advanced Grammar sells 2 in-app purchases, starting at $4.99 per month. norfly asks for nothing beyond the download.

Basic and Advanced Grammar ships an update every 81 months, norfly monthly. Both last shipped on October 6, 2026.

## The numbers

| Metric | Basic and Advanced Grammar | norfly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 81 months | **Monthly** |
| Size | 33 MB | 120 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [irin Tanrverdi](https://appshunter.io/developer/1494693885) | [Dmitrii Ivanov](https://appshunter.io/developer/1889884934) |

## What reviewers say

### Basic and Advanced Grammar

[App page](https://appshunter.io/ios/app/basic-and-advanced-grammar/id1495258061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Premium Monthly | $4.99 | per month |
| Grammar Premium Yearly | $29.99 | per year |


### norfly

[App page](https://appshunter.io/ios/app/norfly/id6761484371)

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

**In-app purchases:** none


## Frequently asked questions

### Is Basic and Advanced Grammar free?

Basic and Advanced Grammar is free to download, with in-app purchases available.

### Is norfly free?

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

### Do Basic and Advanced Grammar or norfly have ads?

Basic and Advanced Grammar shows ads; norfly does not.

### Which is updated more often, Basic and Advanced Grammar or norfly?

Basic and Advanced Grammar ships an update every 81 months, and norfly monthly. Most recently, Basic and Advanced Grammar was updated on October 6, 2026 and norfly on October 6, 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.*