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.
Turnitin
Turnitin is a comprehensive academic integrity platform providing automated plagiarism detection, AI writing analysis, and grading tools to help educators and students maintain original work and improve writing skills.
Quick Comparison
| Feature | Grammarly | Turnitin |
|---|---|---|
| Website | grammarly.com | turnitin.com |
| Pricing Model | Freemium | Custom |
| Starting Price | Free | Custom Pricing |
| FREE Trial | ✘ No free trial | ✘ No free trial |
| Free Plan | ✓ Has free plan | ✘ No free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2009 | 1998 |
| Headquarters | San Francisco, USA | Oakland, USA |
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.
Turnitin
Turnitin helps you maintain academic integrity by comparing student submissions against a massive database of web pages, journals, and previous papers. You can instantly identify unoriginal content and generate detailed similarity reports that highlight exactly where matches occur. Beyond simple detection, the platform provides tools for providing feedback, allowing you to leave voice comments or use drag-and-drop rubrics to grade assignments more efficiently.
You can also address modern challenges like AI-generated content with specialized detection capabilities that distinguish between human and machine-written text. Whether you are an instructor at a small school or an administrator at a large university, the software integrates directly into your existing learning management system. It streamlines the entire submission and grading process while ensuring that every student's work remains authentic and properly cited.
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.
Turnitin Features
- Similarity Report. Compare student work against billions of web pages and proprietary archives to identify potential plagiarism with color-coded highlights.
- AI Writing Detection. Identify when students use AI writing tools like ChatGPT to generate assignments with a specialized probability score.
- Feedback Studio. Leave time-saving voice comments and use drag-and-drop marks to provide students with clear, actionable writing guidance.
- Gradescope Integration. Grade paper-based exams and digital assignments faster using AI-assisted grouping for similar student answers.
- Draft Coach. Give your students the power to check their own work for citations and similarity before they submit the final version.
- LMS Integration. Connect your existing tools like Canvas, Moodle, or Blackboard to manage assignments without leaving your primary dashboard.
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
Turnitin Pricing
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
Turnitin
Pros
- Massive database provides highly accurate similarity matches
- Integrates seamlessly with most major learning management systems
- AI detection helps address modern academic integrity challenges
- Saves significant time during the grading and feedback process
Cons
- Occasional false positives require manual instructor review
- Pricing is not transparent for individual or small users
- Learning curve for setting up complex grading rubrics