# Proofreader vs Planarize

The clearest difference is price: Proofreader at Free against Planarize's $1.99. Proofreader also leads on device support (3 vs 1). Planarize's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and iOS requirement there is nothing between them.

Proofreader is free to download; Planarize costs $1.99 up front. Proofreader sells 2 in-app purchases, starting at $9.99 per month. Planarize asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Proofreader | Planarize |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arda Sen](https://appshunter.io/developer/1670665250) | [Roza Joldassova](https://appshunter.io/developer/1760784308) |

## 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 |


### Planarize

[App page](https://appshunter.io/ios/app/planarize-task-and-plan/id6642661404)

**In-app purchases:** none


## Frequently asked questions

### Is Proofreader free?

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

### Is Planarize free?

Planarize costs $1.99, with no in-app purchases.

### Do Proofreader or Planarize have ads?

Proofreader shows ads; Planarize does not.

### Which is updated more often, Proofreader or Planarize?

Proofreader ships an update every 3 months, and Planarize every 3 months. Most recently, Proofreader was updated on October 3, 2026 and Planarize 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.*