# Grammar Check Corrector vs Flow Boreal Pro

The clearest difference is in-app purchases: Flow Boreal Pro at none against Grammar Check Corrector's 4. Flow Boreal Pro also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Grammar Check Corrector sells 4 in-app purchases, starting at $5.99 per 7 days. Flow Boreal Pro asks for nothing beyond the download.

Grammar Check Corrector ships an update every 2 months, Flow Boreal Pro weekly. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Grammar Check Corrector | Flow Boreal Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (18 ratings)](https://appshunter.io/ios/app/grammar-check-corrector/id6504800128/reviews)** | — |
| Number of ratings | **18** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 72 MB | 22 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Talha Yavcin](https://appshunter.io/developer/1681776709) | [Flow Boreal](https://appshunter.io/developer/1895927347) |

## What reviewers say

### Grammar Check Corrector

[App page](https://appshunter.io/ios/app/grammar-check-corrector/id6504800128)

Enhance your writing with AI-powered grammar and spell checking in over 100 languages. This tool offers instant corrections, vocabulary suggestions, and the unique ability to check grammar from photos of text. Improve your fluency and write with confidence.

**Highlights:** Supports 100+ languages, Instant translation and correction, Secure correction history, Photo grammar check, Detailed explanations and vocabulary suggestions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Checker Pro: Weekly | $5.99 | per 7 days |
| Grammar Checker Pro: Monthly | $9.99 | per month |
| Grammar Checker Pro: Special | $24.99 | per year |
| Grammar Checker Pro: Yearly | $39.99 | per year |


### Flow Boreal Pro

[App page](https://appshunter.io/ios/app/flow-boreal-pro/id6764826708)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grammar Check Corrector free?

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

### Is Flow Boreal Pro free?

Flow Boreal Pro is free to download, with no in-app purchases.

### Do Grammar Check Corrector or Flow Boreal Pro have ads?

Neither Grammar Check Corrector nor Flow Boreal Pro shows ads.

### Which is updated more often, Grammar Check Corrector or Flow Boreal Pro?

Grammar Check Corrector ships an update every 2 months, and Flow Boreal Pro weekly. Most recently, Grammar Check Corrector was updated on October 12, 2026 and Flow Boreal Pro on October 3, 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.*