# Grammar Check Corrector AI vs Sappi

The clearest difference is in-app purchases: Sappi at none against Grammar Check Corrector AI's 3. Sappi also leads on iOS requirement (13.0 vs 16.0). Grammar Check Corrector AI's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Grammar Check Corrector AI | Sappi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (238 ratings)](https://appshunter.io/ios/app/grammar-check-corrector-ai/id6478390702/reviews)** | — |
| Number of ratings | **238** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 16 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 57 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [DAMIEN, NATHANAEL ELLEDGE](https://appshunter.io/developer/1698307994) | [Raul Giraldo](https://appshunter.io/developer/1743691137) |

## What reviewers say

### Grammar Check Corrector AI

[App page](https://appshunter.io/ios/app/grammar-check-corrector-ai/id6478390702)

This AI-powered writing assistant offers instant grammar and spelling corrections, text improvement suggestions, and tools like a synonym finder and definition lookup. It helps users polish their writing for emails, blog posts, and everyday communication, with easy sharing and text-to-speech functionality.

**Highlights:** Instant grammar and spelling corrections, AI-powered text improvement, Define screen for word definitions, Synonym finder, One-click sharing, Text-to-speech functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Check Unlimited | $4.99 | per 7 days |
| Grammar Checker Unlimited | $4.99 | per 7 days |
| Grammar Check Unlimited | $39.99 | per year |


### Sappi

[App page](https://appshunter.io/ios/app/sappi/id6502036304)

**In-app purchases:** none


## Frequently asked questions

### Is Grammar Check Corrector AI free?

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

### Is Sappi free?

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

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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.*