Grammarly
Grammarly is an AI-powered writing assistant that helps you create clear, mistake-free, and effective communication across all your favorite desktop applications and web-based platforms.
ProWritingAid
ProWritingAid is an AI-powered writing assistant and grammar checker that provides real-time feedback, style suggestions, and detailed reports to help you improve your writing quality and clarity across various platforms.
Quick Comparison
| Feature | Grammarly | ProWritingAid |
|---|---|---|
| Website | grammarly.com | prowritingaid.com |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✘ No free trial | ✘ No free trial |
| Free Plan | ✓ Has free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2009 | 2012 |
| Headquarters | San Francisco, USA | London, UK |
Overview
Grammarly
Grammarly is your personal AI writing partner that works wherever you do, from emails and documents to social media and messaging apps. It goes far beyond basic spell check by analyzing your tone, clarity, and engagement to ensure your message lands exactly how you intended. You can fix complex grammatical errors, adjust your writing style for different audiences, and even generate entire drafts or outlines using integrated generative AI features.
Whether you are a student polishing an essay, a professional drafting a high-stakes proposal, or a team maintaining a consistent brand voice, the platform provides real-time feedback to improve your communication. It integrates directly into your workflow via browser extensions, desktop apps, and mobile keyboards, making it easy to maintain high writing standards without switching between different tools.
ProWritingAid
ProWritingAid acts as your personal writing coach and editor, helping you polish everything from emails to novels. You can catch grammar mistakes, fix spelling errors, and refine your writing style using over 20 detailed reports that analyze your work for readability, overused words, and sentence structure. It goes beyond basic spell-checking by offering deep-dive insights into your unique writing patterns and suggesting improvements that make your message clearer and more engaging.
You can use the software wherever you write, thanks to its wide range of integrations with web browsers, word processors, and creative writing apps. Whether you are a professional author, a student, or a business professional, the platform helps you maintain a consistent voice and eliminate embarrassing mistakes. It offers a free version for basic needs and premium tiers for those who require unlimited word counts and advanced analysis features.
Overview
Grammarly Features
- Real-time Grammar Check Catch spelling, punctuation, and complex grammatical errors instantly as you type in your browser or desktop apps.
- Tone Detection Understand how your message sounds to readers so you can adjust your delivery to be more professional or friendly.
- Generative AI Assistance Draft content, rewrite paragraphs, and brainstorm ideas quickly using AI prompts tailored to your specific writing goals.
- Clarity Suggestions Identify wordy sentences and passive voice to make your writing more concise and easier for your audience to follow.
- Plagiarism Detection Check your text against billions of web pages and ProQuest databases to ensure your work is original and properly cited.
- Custom Style Guides Create a consistent voice for your entire organization by setting specific rules and terminology for your team to follow.
ProWritingAid Features
- Real-time Grammar Checking. Fix grammar and spelling mistakes instantly as you type so you can maintain your creative flow without interruptions.
- In-depth Style Reports. Run over 20 different reports to identify overused words, clichés, and long sentences that might confuse your readers.
- Contextual Thesaurus. Find the perfect word every time with AI-driven suggestions that fit the specific context and tone of your writing.
- Plagiarism Checker. Ensure your work is original by checking your text against billions of web pages and academic papers with ease.
- Writing Goals. Set specific goals based on your document type—like academic or creative—to receive tailored suggestions that match your intent.
- Author Comparisons. Compare your writing style to famous authors in your genre to see how your pacing and vocabulary stack up.
Pricing Comparison
Grammarly Pricing
- Basic writing suggestions
- Spelling and grammar checks
- Punctuation corrections
- Tone detection
- 100 AI prompts per month
- Everything in Free, plus:
- Full-sentence rewrites
- Vocabulary enhancements
- Plagiarism checker
- 1,000 AI prompts per month
- Tone suggestions
ProWritingAid Pricing
- 500 word limit
- 10 Rephrase suggestions/day
- 3 AI Sparks/day
- Grammar & spell check
- Basic writing reports
- Everything in Free, plus:
- Unlimited word count
- Unlimited Rephrase suggestions
- Unlimited AI Sparks
- Advanced style reports
- Custom style guide
Pros & Cons
Grammarly
Pros
- Works across almost every website and app
- Highly accurate grammar and punctuation corrections
- Intuitive interface that stays out of your way
- Tone detector helps prevent communication mishaps
- Generous free version for basic proofreading
Cons
- Premium subscription is relatively expensive
- Occasional lag in very long documents
- AI suggestions sometimes miss specific context
- Plagiarism checker only available in paid tiers
ProWritingAid
Pros
- Extremely detailed reports compared to competitors
- One-time lifetime purchase option available
- Integrates directly with Scrivener and Word
- Excellent suggestions for creative fiction writers
- Affordable annual pricing for professional users
Cons
- Interface can feel overwhelming for beginners
- Free version has a strict word limit
- Desktop app requires an internet connection
- Occasional lag when processing very long documents