# Proofreader vs CAVOK

The clearest difference is ads: CAVOK at none against Proofreader's shown. Proofreader's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Proofreader sells 2 in-app purchases, starting at $9.99 per month and CAVOK sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Proofreader | CAVOK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/proofreader-grammar-check/id6470146792/reviews)** | — |
| Number of ratings | **20** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 22 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arda Sen](https://appshunter.io/developer/1670665250) | [Umayanga Alahakoon](https://appshunter.io/developer/1481069353) |

## What reviewers say

### Proofreader

[App page](https://appshunter.io/ios/app/proofreader-grammar-check/id6470146792)

Enhance your writing with an AI-powered tool that detects and corrects grammar, spelling, and punctuation errors. Achieve clear, concise, and error-free communication for emails, reports, and essays. Supports multiple languages with a user-friendly interface.

**Highlights:** Advanced grammar and spelling check, AI-driven error correction, User-friendly interface, Multiple language support, Privacy and security focused

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $29.99 | per year |


### CAVOK

[App page](https://appshunter.io/ios/app/cavok-digital-pilot-logbook/id6792272376)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CAVOK Pro Monthly | $3.99 | per month |
| CAVOK Pro Yearly | $29.99 | per year |
| CAVOK Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Proofreader free?

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

### Is CAVOK free?

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

### Do Proofreader or CAVOK have ads?

Proofreader shows ads; CAVOK does not.

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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.*