Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Superhuman records 6,514,241 monthly visits with +7.9% growth and Paid pricing.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Ubiquitous Inline Rewriting & Tone Calibration
Works natively inside Chrome, Safari, Firefox, Edge, Windows, Mac, Google Docs, MS Office, and mobile keyboards to flag grammar mistakes, rewrite tangled sentences, and shift tone toward confident, empathetic, or executive registers.
Specialized AI Agents (AI Grader, Citation Finder & Reader Reactions)
Deploys contextual AI agents that predict how a target audience will react to a draft, locate credible supporting citations, grade essays against rubric criteria, and generate drafts using up to 2,000 monthly prompts on Pro.
Grammarly Authorship, AI Detector & Plagiarism Checker
Scans text against billions of web pages and academic databases for accidental plagiarism, detects AI-generated passages, and logs transparent document provenance via Authorship reports in Google Docs and Word.
Team Style Guides, Brand Tones & Knowledge Share
Enables teams on Pro and Enterprise plans to codify company terminology, ban deprecated jargon, enforce inclusive language, insert shared Snippets, and surface internal company definitions inline.
Strengths & Pros
+Frictionless cross-platform integration works inside virtually every browser, desktop app, email client, and mobile OS without copy-pasting into a separate chatbot.
Frequently Asked Questions: Grammarly vs Superhuman
Grammarly has 58,867,412 monthly visits, while Superhuman has 6,514,241. Traffic estimates describe audience size, not product quality.
Consolidating Premium and Business into Grammarly Pro ($12/member/month annual) gives individuals and small teams access to style guides, analytics, and plagiarism/AI detection in one plan.
+Grammarly Authorship provides a constructive, transparent audit trail for students and writers to demonstrate human writing integrity alongside responsible AI editing.
+Mature enterprise security posture featuring BYOK encryption, Data Loss Prevention, and granular application/domain blocklists.
Limitations
–Month-to-month billing on Grammarly Pro is steep at $30/member/month compared to the $12/member/month annual commitment ($144 billed upfront).
–Core writing intelligence and style rules remain primarily optimized for English dialects (US, UK, Canadian, Australian, Indian) rather than native multilingual grammar checking.
–Aggressive inline underlines and pop-up agent cards can feel visually intrusive in dense technical documents or code-heavy web editors unless muted per domain.
Superhuman
The AI productivity suite with agents, email, and docs that work wherever you do
AI that works everywhere
Superhuman Go brings AI agents into the tools and tabs you already use, with inline suggestions and context-aware chat.
Fast, AI-assisted email
Auto drafts, split inbox, auto labels, and auto archive keep your inbox manageable with minimal manual filing.
Superhuman Docs
Collaborative documents that hold text, tables, data, and workflows in one connected surface.
No-code agent builder
Describe what you need in chat or use a visual builder, then share agents with teammates or a company directory.
Strengths & Pros
+AI assistance extends beyond email into documents and daily apps
+Well-known speed and keyboard-driven design in the mail client
+No-code agent builder with 100+ prebuilt agents to start from
+Enterprise controls and integrations with Gmail, Calendar, and workplace tools
Limitations
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Premium pricing compared with standard email clients
–The suite has grown complex, so onboarding takes effort
–Best value requires adopting multiple parts of the platform
