# Grammar Check vs 다풀

The clearest difference is in-app purchases: 다풀 at none against Grammar Check's 3. 다풀 also leads on update cadence (weekly vs every 2 weeks). Grammar Check's advantage is iOS requirement (13.0 vs 15.6). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Grammar Check sells 3 in-app purchases, starting at $1.99 per 7 days. 다풀 asks for nothing beyond the download.

Grammar Check ships an update every 2 weeks, 다풀 weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Grammar Check | 다풀 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/grammar-check-corrector-ai/id6748647196/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 42 MB | 166 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [树鑫 赖](https://appshunter.io/developer/1680833127) | [Happy Edu Tech Co., Ltd.](https://appshunter.io/developer/1613097298) |

## What reviewers say

### Grammar Check

[App page](https://appshunter.io/ios/app/grammar-check-corrector-ai/id6748647196)

Enhance your writing with an AI-powered tool that corrects grammar, spelling, and punctuation. Improve sentence structure and style for clear, professional communication in emails, essays, and more.

**Highlights:** Grammar, punctuation, and spelling correction, Sentence enhancement and style suggestions, AI writing assistance for various text types, Premium features via subscription, Clear and effective communication support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $1.99 | per 7 days |
| Monthly Plan | $5.99 | per month |
| Yearly Plan | $34.99 | per year |


### 다풀

[App page](https://appshunter.io/ios/app/ai/id6756995656)

Instantly solve homework problems with AI. Snap a photo to get step-by-step video explanations, detailed grading, and personalized feedback. Master any subject with a comprehensive AI tutor.

**Highlights:** AI-powered problem solving via photo, Step-by-step video explanations, Detailed partial grading of solutions, Full subject support for all grades, Automatic mistake tracking and note generation, Personalized AI tutoring

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

**In-app purchases:** none


## Frequently asked questions

### Is Grammar Check free?

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

### Is 다풀 free?

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

### Do Grammar Check or 다풀 have ads?

Neither Grammar Check nor 다풀 shows ads.

### Which is updated more often, Grammar Check or 다풀?

Grammar Check ships an update every 2 weeks, and 다풀 weekly. Most recently, Grammar Check was updated on October 30, 2026 and 다풀 on October 30, 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.*