Founded
2015
Starting Price
Free
Category
AI Writing & Content
Last updated May 26, 2026
About Outwrite
Outwrite (formerly GradeProof) is an AI-powered writing assistant that corrects grammar, spelling, and punctuation while improving style, readability, and tone. It works as a browser extension and integrates with Google Docs, Microsoft Word, Outlook, Gmail, LinkedIn, and WordPress to polish writing wherever you work.
Pros & Cons
Pros
- More accurate and nuanced style and readability suggestions
- Grade-level detection shows how complex your writing is
- One-click sentence restructuring with custom writing goals
- Strong real-time team collaboration features
- Generally cheaper than comparable Grammarly plans
Key Features
Grammar & Spelling Checks
Advanced grammar, spelling, and punctuation correction in real time.
Style Suggestions
Recommendations to improve clarity, flow, and overall writing quality.
Readability Scoring
Real-time readability and grade-level scoring to gauge complexity.
Paraphrasing & Rewrite
Restructure or rewrite sentences with a double-click, including setting writing goals.
Passive Voice Detection
Identifies passive voice and helps convert it to active voice.
Plagiarism Checker
Scan documents for plagiarism (up to 50 checks per month on Pro).
Multilingual Support
Supports writing in English, French, and Spanish.
Platform Integrations
Pricing
Essential
Free
- Grammar and spell check
- Style suggestions
- Readability tracking
Pro
$9.95/month
Best For
Professional Communication
Polish emails, business documents, and LinkedIn posts for clarity and impact.
Team Writing
Collaborate in real time and keep team communications consistent and clear.
Content Improvement
Rewrite and restructure sentences to improve flow and readability.
Multilingual Writing
Check and improve writing in English, French, and Spanish.
