Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Polymer records 3,179 monthly visits with -18% growth and Contact for Pricing pricing.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Runtime data security for AI and SaaS workflows
| Dimension / Metric | | |
|---|---|---|
| Official Domain | grammarly.com | polymerhq.io |
| Pricing Model | Freemium | Contact for Pricing |
| Monthly Visits | 58.87M (58,867,412) | 3.18K (3,179) |
| MoM Traffic Delta | -916.08K (-1.5%) | -698 (-18%) |
| Primary Market & Share | 🇺🇸 United States (51.9%) | 🇺🇸 United States (94.2%) |
| Direct Visits / mo | 25.4M | 1.25K |
| User Rating | 4.4 | 4.2 |
| Supported Platforms | Website | Website |
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
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.
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.
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.
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.
Runtime data security for AI and SaaS workflows
Build context-driven policies for your organisation's unique AI usage, then group human and non-human identities to control how each can interact with data.
Continuously monitor data in motion and at rest and label sensitive assets according to your own security policies.
Reports and risk scores surface shadow AI usage, insider threats and misconfigurations so priorities are clear.
Redact sensitive data, revoke file access and trigger custom workflows in real time, with or without human approval.
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Free / Open-sourceAI detection and writing verification built for schools and editors
Free / Open-sourceAI detection and writing verification built for schools and editors
Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.
Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.
Free / Open-sourcePrivacy-first bot detection and fraud prevention for the web
Free / Open-sourcePrivacy-first bot detection and fraud prevention for the web
Free / Open-sourceUnified observability, security and incident response for cloud-scale engineering teams
Free / Open-sourceUnified observability, security and incident response for cloud-scale engineering teams
Enterprise AI and plagiarism detection for content integrity
Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension
