# Basic and Advanced Grammar vs ChatterDeck

The clearest difference is ads: ChatterDeck at none against Basic and Advanced Grammar's shown. ChatterDeck also leads on update cadence (every 8 months vs every 81 months). Basic and Advanced Grammar's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases 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 and ChatterDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Basic and Advanced Grammar ships an update every 81 months, ChatterDeck every 8 months. The most recent releases landed on October 29, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Basic and Advanced Grammar | ChatterDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 81 months | **Every 8 months** |
| Size | 33 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [irin Tanrverdi](https://appshunter.io/developer/1494693885) | [One Thumb Busy Pte. Ltd.](https://appshunter.io/developer/1675451115) |

## 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 |


### ChatterDeck

[App page](https://appshunter.io/ios/app/chatterdeck/id6468237654)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collection 1 | $7.99 | one-time |


## Frequently asked questions

### Is Basic and Advanced Grammar free?

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

### Is ChatterDeck free?

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

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

Basic and Advanced Grammar shows ads; ChatterDeck does not.

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

Basic and Advanced Grammar ships an update every 81 months, and ChatterDeck every 8 months. Most recently, Basic and Advanced Grammar was updated on October 29, 2026 and ChatterDeck 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.*