# TopicWorx Mobile Alerts vs Proofreader AI Grammar Checker

The clearest difference is in-app purchases: TopicWorx Mobile Alerts at none against Proofreader AI Grammar Checker's 11. TopicWorx Mobile Alerts also leads on iOS requirement (12.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Proofreader AI Grammar Checker sells 8 in-app purchases, starting at $4.99 per month. TopicWorx Mobile Alerts asks for nothing beyond the download.

TopicWorx Mobile Alerts ships an update every 4 weeks, Proofreader AI Grammar Checker every 3 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TopicWorx Mobile Alerts | Proofreader AI Grammar Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3.3K ratings)](https://appshunter.io/ios/app/proofreader-ai-grammar-checker/id1494119626/reviews)** |
| Number of ratings | — | **3.3K** |
| Positive reviews | — | 64.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 74 MB | 60 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [TopicWorx (Pty) Ltd](https://appshunter.io/developer/1324555479) | [BlueSoar SL](https://appshunter.io/developer/1493410779) |

## What reviewers say

### TopicWorx Mobile Alerts

[App page](https://appshunter.io/ios/app/topicworx-mobile-alerts/id1324555480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Proofreader AI Grammar Checker

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

Enhance your writing with a comprehensive grammar checker and AI assistant. Improve clarity, rewrite sentences, detect AI-generated text, and access a translator and dictionary. Works seamlessly across all your typing applications.

**Highlights:** Grammar, spelling, and punctuation correction, Sentence rewriting and tone adjustment, AI-generated text detection, Clipboard for saving and reusing text, Translator for over 100 languages, Writing insights and style suggestions

**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


## Frequently asked questions

### Is TopicWorx Mobile Alerts free?

TopicWorx Mobile Alerts is free to download, with no in-app purchases.

### Is Proofreader AI Grammar Checker free?

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

### Do TopicWorx Mobile Alerts or Proofreader AI Grammar Checker have ads?

Neither TopicWorx Mobile Alerts nor Proofreader AI Grammar Checker shows ads.

### Which is updated more often, TopicWorx Mobile Alerts or Proofreader AI Grammar Checker?

TopicWorx Mobile Alerts ships an update every 4 weeks, and Proofreader AI Grammar Checker every 3 weeks. Most recently, TopicWorx Mobile Alerts was updated on October 26, 2026 and Proofreader AI Grammar Checker on October 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.*