# Proofreader vs IOL Refocus

The clearest difference is in-app purchases: IOL Refocus at none against Proofreader's 2. IOL Refocus also leads on ads (none vs shown). Proofreader's advantage is device support (3 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Proofreader sells 2 in-app purchases, starting at $9.99 per month. IOL Refocus asks for nothing beyond the download.

Proofreader ships an update every 3 months, IOL Refocus every 4 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Proofreader | IOL Refocus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/proofreader-grammar-check/id6470146792/reviews)** | — |
| Number of ratings | **19** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 0 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Arda Sen](https://appshunter.io/developer/1670665250) | [Patrik Rajs](https://appshunter.io/developer/1709791630) |

## 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 |


### IOL Refocus

[App page](https://appshunter.io/ios/app/iol-refocus/id6476325514)

**In-app purchases:** none


## Frequently asked questions

### Is Proofreader free?

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

### Is IOL Refocus free?

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

### Do Proofreader or IOL Refocus have ads?

Proofreader shows ads; IOL Refocus does not.

### Which is updated more often, Proofreader or IOL Refocus?

Proofreader ships an update every 3 months, and IOL Refocus every 4 months. Most recently, Proofreader was updated on September 17, 2026 and IOL Refocus on September 9, 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.*