Grammarly vs Wordtune: Which AI Writing Tool Is Better? [2026 Comparison]

Compare AI writing and rewriting tools Grammarly and Wordtune on features, pricing, multilingual support, and AI text generation. Find the best writing assistant.

Verdict:Grammarly and Wordtune are complementary AI writing tools. Grammarly excels as a comprehensive checker — grammar, spelling, plagiarism detection — ideal for business and academic writing. Wordtune specializes in rewriting existing text into more polished, refined expressions. To improve writing quality overall, choose Grammarly. To refine expression and style, choose Wordtune.

Grammarly & Wordtune Overview

1

Grammarly

The world's most popular AI writing assistant. Grammar, spelling, punctuation checking plus tone adjustment, plagiarism detection, and AI text generation. Available on browser, desktop, mobile, and Office apps.

Learn more about Grammarly
2

Wordtune

AI rewriting and text improvement tool by AI21 Labs. Specializes in rephrasing, summarizing, and expanding text with tone switching between formal and casual styles.

Learn more about Wordtune

Feature & Pricing Comparison

Pricing
GrammarlyFree / Premium $12/mo / Business $15/member/mo
WordtuneFree / Plus $9.99/mo / Unlimited $14.99/mo
Core Features
GrammarlyGrammar check, spell check, tone adjustment, AI generation
WordtuneRewriting, summarization, expansion, tone switching
Grammar Check Accuracy
GrammarlyIndustry-leading accuracy
WordtuneBasic grammar checking
Rewriting
GrammarlyBasic rewrite suggestions
WordtuneExcellent (multiple alternative suggestions)
Multilingual Support
GrammarlyLimited (primarily English)
WordtuneLimited (primarily English)
Plagiarism Check
GrammarlySupported (Premium plan+)
WordtuneNot supported
Browser Extension
GrammarlyChrome, Edge, Firefox, Safari
WordtuneChrome, Edge
Platform Support
GrammarlyWeb, desktop, mobile, MS Office, Google Docs
WordtuneWeb, browser extension, Google Docs
AI Text Generation
GrammarlyGrammarlyGO (prompt-based)
WordtuneWordtune Editor (AI generation & continuation)
Team Features
GrammarlyStyle guide, brand tone, analytics dashboard
WordtuneBasic sharing features

Our Verdict

Our Verdict

Grammarly and Wordtune are complementary AI writing tools. Grammarly excels as a comprehensive checker — grammar, spelling, plagiarism detection — ideal for business and academic writing. Wordtune specializes in rewriting existing text into more polished, refined expressions. To improve writing quality overall, choose Grammarly. To refine expression and style, choose Wordtune.

Recommendations by Use Case

1

Thorough English grammar checking and proofreading

Recommended:Grammarly

Industry-leading grammar accuracy plus tone analysis, plagiarism detection, and style guides. Ideal for business emails and academic papers.

2

Improving expression and rewriting text

Recommended:Wordtune

Multiple rewrite suggestions with easy formal/casual switching. Transforms existing text into more natural, compelling expressions.

3

Standardizing team writing quality

Recommended:Grammarly

Business plan with brand tone settings, style guide sharing, and analytics dashboard standardizes writing quality across teams.

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