Grammarly vs MarketMuse — Compare AI Tools | TryAnAI

Grammarly vs MarketMuse

Side-by-side comparison based on pricing, features, and community data.

Grammarly vs MarketMuse — quick answer

Grammarly and MarketMuse are both AI writing tools. Grammarly is Freemium; MarketMuse is Freemium. Grammarly and MarketMuse serve completely different buyers.

Grammarly pricing:: Freemium
MarketMuse pricing:: Freemium
Category:: Writing

Which should you choose?

Grammarly and MarketMuse serve completely different buyers. Grammarly is for anyone writing anything—it's a lightweight, ubiquitous writing quality tool that catches grammar, tone, and plagiarism across 500+ apps. MarketMuse is for SEO and content teams at scale who need to plan topic-cluster strategies and audit entire content inventories. Pick Grammarly if you write emails, docs, or social posts and want real-time corrections everywhere. Pick MarketMuse if you manage a website's content strategy and need data-driven briefs, competitive gaps, and topical authority scoring. Price-wise: Grammarly is $12/mo for individuals; MarketMuse starts $149/mo and requires $399/mo to unlock full value. They don't compete—they complement different workflows.

Pick Grammarly if

Pick Grammarly if you write frequently across email, documents, and web platforms and want real-time grammar, tone, and plagiarism feedback integrated into your daily tools.

Pick MarketMuse if

Pick MarketMuse if you manage SEO content strategy at scale and need AI-driven topic modeling, competitive gap analysis, and site-wide content audits to build topical authority.

Feature-by-feature

Feature	Grammarly	MarketMuse
Primary use case	Writing quality (grammar, tone, clarity)	Content strategy and SEO planning
Real-time integration	✓ 500+ web apps via extension	Web-based dashboard + API only
Plagiarism detection	✓ Premium tier	—
Content briefs and topic research	—	✓ AI-powered with subtopics
Site-wide content audit	—	✓ Inventory and gap analysis
Entry price	Free tier + $12/mo	Free tier + $149/mo
Mobile support	✓ iOS/Android keyboard	Web only
Learning curve	Minimal	Steep (topical authority model)