# AI Grammar Keyboard vs LearnPDF

The clearest difference is in-app purchases: LearnPDF at none against AI Grammar Keyboard's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Grammar Keyboard sells 3 in-app purchases, starting at $4.99 per 7 days. LearnPDF asks for nothing beyond the download.

## The numbers

| Metric | AI Grammar Keyboard | LearnPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/ai-grammar-keyboard/id6451130880/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 57 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Apphi](https://appshunter.io/developer/1137319536) | [Abijah Kajabika](https://appshunter.io/developer/1791342272) |

## What reviewers say

### AI Grammar Keyboard

[App page](https://appshunter.io/ios/app/ai-grammar-keyboard/id6451130880)

Enhance your writing with an AI-powered assistant that corrects grammar, refines style, and adjusts tone. Seamlessly integrate with all your favorite apps to ensure clear and impactful communication in any context.

**Highlights:** AI-powered text correction, Adjustable style and tone, Creative prompt generation, Universal app integration, Grammar, syntax, and typo correction

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Weekly | $4.99 | per 7 days |
| Unlimited Monthly | $9.99 | per month |
| Unlimited Yearly | $69.99 | per year |


### LearnPDF

[App page](https://appshunter.io/ios/app/learnpdf/id6752225685)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI Grammar Keyboard free?

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

### Is LearnPDF free?

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

### Do AI Grammar Keyboard or LearnPDF have ads?

Neither AI Grammar Keyboard nor LearnPDF shows ads.

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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.*