# Correct Grammar Checker Tool vs AI Grammar Assistant

The clearest difference is update cadence: Correct Grammar Checker Tool at fortnightly against AI Grammar Assistant's every 2 months. Correct Grammar Checker Tool also leads on device support (4 vs 1). AI Grammar Assistant's advantage is review sentiment (100% vs 87%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Correct Grammar Checker Tool sells 4 in-app purchases, starting at $4.99 per 7 days and AI Grammar Assistant sells 6 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

Correct Grammar Checker Tool ships an update fortnightly, AI Grammar Assistant every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Correct Grammar Checker Tool | AI Grammar Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/correct-grammar-checker-tool/id6443529768/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 86.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 3 MB | 3 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Imran](https://appshunter.io/developer/1602851753) | [Leimomi Lane](https://appshunter.io/developer/1736577207) |

## What reviewers say

### Correct Grammar Checker Tool

[App page](https://appshunter.io/ios/app/correct-grammar-checker-tool/id6443529768)

This app helps you improve your writing by checking for grammar and spelling errors. It offers synonym suggestions and definitions to enhance your vocabulary and ensure your messages are professional and error-free. It's also a tool for learning and practicing written English.

**Highlights:** Grammar check, Spell check, Smart recommendations, Synonym suggestions, Definitions

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Checker - Weekly | $4.99 | per 7 days |
| Check Grammar - Monthly | $9.99 | per month |
| Grammar Checker - Yearly | $15.99 | per year |
| Check Grammar - Lifetime | $124.99 | one-time |


### AI Grammar Assistant

[App page](https://appshunter.io/ios/app/ai-grammar-assistant/id6479434692)

Enhance your writing with AI-powered proofreading. Get instant corrections for grammar, spelling, and punctuation, along with style and tone suggestions. Learn from your mistakes with personalized tips to improve your communication skills.

**Highlights:** Comprehensive grammar, punctuation, and spelling checks, Style and tone suggestions, Personalized learning tips, Instant feedback, Seamless integration with various platforms

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly Subscription | $10.00 | per month |
| Pro Monthly Subscription | $20.00 | per month |
| Premium Monthly Subscription | $30.00 | per month |
| Basic Yearly Subscription | $100.00 | per year |
| Pro Yearly Subscription | $200.00 | per year |
| Premium Yearly Subscription | $300.00 | per year |


## Frequently asked questions

### Is Correct Grammar Checker Tool free?

Correct Grammar Checker Tool is free to download, with in-app purchases available.

### Is AI Grammar Assistant free?

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

### Do Correct Grammar Checker Tool or AI Grammar Assistant have ads?

Neither Correct Grammar Checker Tool nor AI Grammar Assistant shows ads.

### Which is updated more often, Correct Grammar Checker Tool or AI Grammar Assistant?

Correct Grammar Checker Tool ships an update fortnightly, and AI Grammar Assistant every 2 months. Most recently, Correct Grammar Checker Tool was updated on November 3, 2026 and AI Grammar Assistant on November 4, 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.*