# Proofreader AI Grammar Checker vs Keyword Generator

The clearest difference is review sentiment: Proofreader AI Grammar Checker at 65% against Keyword Generator's 0%. Proofreader AI Grammar Checker also leads on price (Free vs $2.99) and rating (4.7 vs 1.0). Keyword Generator's advantage is in-app purchases (none vs 11) and update cadence (daily vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

Proofreader AI Grammar Checker is free to download; Keyword Generator costs $2.99 up front. Proofreader AI Grammar Checker sells 8 in-app purchases, starting at $4.99 per month. Keyword Generator asks for nothing beyond the download.

Proofreader AI Grammar Checker holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Proofreader AI Grammar Checker has 3.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 65% of Proofreader AI Grammar Checker's written reviews are positive against 0% of Keyword Generator's.

Proofreader AI Grammar Checker ships an update fortnightly, Keyword Generator daily. The most recent releases landed on October 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Proofreader AI Grammar Checker | Keyword Generator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.7 (3.3K ratings)](https://appshunter.io/ios/app/proofreader-ai-grammar-checker/id1494119626/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/keyword-generator/id6757469639/reviews) |
| Number of ratings | **3.3K** | 1 |
| Positive reviews | **64.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | **Freemium** | Paid |
| Size | 59 MB | 35 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BlueSoar SL](https://appshunter.io/developer/1493410779) | [Brittney Pilarcik](https://appshunter.io/developer/1820885613) |

## What reviewers say

### Proofreader AI Grammar Checker

[App page](https://appshunter.io/ios/app/proofreader-ai-grammar-checker/id1494119626)

Enhance your writing with an AI-powered keyboard and assistant. Correct grammar, spelling, and punctuation, and improve clarity and style. Generate text, rewrite sentences, and expand your vocabulary anywhere you type.

**Highlights:** AI Keyboard with one-tap proofreading, Advanced grammar, spelling, and punctuation checker, AI rewriting and paraphrasing, Text generation and vocabulary enhancement, Style and clarity improvements, Translator and dictionary

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proofreader Pro | $4.99 | per month |
| Proofreader Pro | $9.99 | per month |
| Monthly Plan | $9.99 | per month |
| Proofreader Pro | $13.49 | per 3 months |
| Proofreader Pro | $24.99 | per 3 months |
| Proofreader Pro | $39.99 | per year |
| Proofreader Pro | $47.99 | per year |
| Proofreader Pro | $49.99 | per year |

**What reviewers like**

- 🚀 Helpful grammar and writing suggestions
- 👍 Easy to use
- 💡 Affordable alternative to Grammarly
- 👍 Explains why changes are suggested
- 💡 Useful for non-native English speakers

**What reviewers complain about**

- 🐛 Inconsistent performance, sometimes misses errors
- 🔍 Limited functionality in free version
- 🔍 Subscription required for full features
- 🐛 Issues with pasting text into other apps
- 🐛 Struggles with specialized/foreign names

**Reported bugs**

- Difficulty cancelling subscriptions
- Unexpected charges during free trials
- App crashes or freezes
- Incorrect grammar/spelling corrections

**Requested features**

- Keyboard integration for easier use
- More customization options
- Improved accuracy and consistency
- Desktop/browser extension version
- Better handling of creative/informal writing styles


### Keyword Generator

[App page](https://appshunter.io/ios/app/keyword-generator/id6757469639)

Quickly generate relevant keywords for online marketplaces. Simply paste your product title and receive optimized tag suggestions in seconds. This tool offers a streamlined process for sellers on platforms like Etsy, Shopify, and Amazon Handmade.

**Highlights:** Instant keyword ideas from real search data, Optimized tags for Etsy's character limit, One-tap copy and paste functionality, No account sign-up required, No tracking or ads, Supports US, UK, CA, AU search data

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

**In-app purchases:** none


## Frequently asked questions

### Is Proofreader AI Grammar Checker free?

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

### Is Keyword Generator free?

Keyword Generator costs $2.99, with no in-app purchases.

### Which has better reviews, Proofreader AI Grammar Checker or Keyword Generator?

Proofreader AI Grammar Checker is rated higher. Proofreader AI Grammar Checker averages 4.7 out of 5 from 3.3K ratings, while Keyword Generator averages 1.0 from 1 ratings.

### Do Proofreader AI Grammar Checker or Keyword Generator have ads?

Neither Proofreader AI Grammar Checker nor Keyword Generator shows ads.

### Which is updated more often, Proofreader AI Grammar Checker or Keyword Generator?

Proofreader AI Grammar Checker ships an update fortnightly, and Keyword Generator daily. Most recently, Proofreader AI Grammar Checker was updated on October 20, 2026 and Keyword Generator on September 30, 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.*