QuillBot vs Grammarly: Complete Comparison – Which Is Better? [2026]
Compare QuillBot and Grammarly side by side — pricing, features, performance, and more. Find out which tool is the best choice for your needs.
Verdict:Both QuillBot and Grammarly are excellent tools in their respective areas. QuillBot and Grammarly each have unique strengths, and the best choice depends on your specific needs, budget, and use case. We recommend trying the free tier of both tools to determine which better fits your workflow.
Table of Contents
QuillBot & Grammarly Overview
QuillBot
The leading AI paraphrasing tool. Rephrase text in 7 modes with integrated grammar checking, summarization, and translation for a complete writing assistant.
Learn more about QuillBot →Grammarly
An AI-powered English writing assistant. Provides grammar and spell checking along with style improvement, tone adjustment, and plagiarism detection.
Learn more about Grammarly →Feature & Pricing Comparison
| Feature | QuillBot | Grammarly |
|---|---|---|
| Pricing | Freeプラン / Premium $9.95//mo | Freeプラン / Premium $12//mo / Business $15//mo |
| 主な機能 | パラフレーズ・文法チェック・要約・翻訳 | 文法チェック・トーン検出・明瞭さ・盗用検出 |
| パラフレーズ機能 | 非常に強力（8モード） | 基本的な言い換え提案のみ |
| 文法チェック精度 | Standard | 非常にHigh精度（業界最High水準） |
| Japanese Support | 翻訳機能で一部Supported | 英語Medium心（日本語チェックNot supported） |
| Supported Platforms | Web・Chrome拡張・Word | Web・Chrome拡張・Word・デスクトップ・モバイル |
| 盗用チェック | Supported（Premium） | Supported（Premium） |
| API・連携 | 限定的 | Extensive（Gmail・Slack・Google Docs等） |
Our Verdict
Our Verdict
Both QuillBot and Grammarly are excellent tools in their respective areas. QuillBot and Grammarly each have unique strengths, and the best choice depends on your specific needs, budget, and use case. We recommend trying the free tier of both tools to determine which better fits your workflow.
Recommendations by Use Case
Users who need a comprehensive, all-in-one solution
QuillBot offers a broader feature set and wider ecosystem of integrations, making it ideal for users who want an all-in-one platform.
Users focused on specific, specialized tasks
Grammarly excels in its core area with deeper functionality and more refined tools for specialized workflows.
Budget-conscious users or beginners
QuillBot provides a generous free tier and intuitive interface, making it accessible for new users and those on a tight budget.
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