Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Postfity records 16,047 monthly visits with +44.6% growth and Freemium, Contact for Pricing pricing.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Plan, schedule and analyse social media from one calendar
| Dimension / Metric | | |
|---|---|---|
| Official Domain | grammarly.com | postfity.com |
| Pricing Model | Freemium | Freemium, Contact for Pricing |
| Monthly Visits | 58.87M (58,867,412) | 16.05K (16,047) |
| MoM Traffic Delta | -916.08K (-1.5%) | +4.95K (+44.6%) |
| Primary Market & Share | 🇺🇸 United States (51.9%) | 🇺🇸 United States (28.6%) |
| Direct Visits / mo | 25.4M | 6.36K |
| User Rating | 4.4 | 4.1 |
| 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.
Plan, schedule and analyse social media from one calendar
Plan posts to Facebook, Instagram, LinkedIn, Pinterest, VK and Google Business Profile on one visual calendar, then automate publishing.
Queue large volumes of posts — with graphics and video — in a single upload to save time on recurring campaigns.
Generate post copy, captions and hashtags with built-in AI, and keep branding consistent with AI brand support.
Track likes, shares and engagement with clear analytics and monitor brand conversations with social listening.
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.
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.
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
SpecialistPlan, approve and schedule social content with your whole team in one place
SpecialistPlan, approve and schedule social content with your whole team in one place
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.
Free / Open-sourceAgentic social media scheduling for 30+ channels
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.
SpecialistSocial media management, scheduling and X/Twitter tools in one place
SpecialistSocial media management, scheduling and X/Twitter tools in one place
AI-Powered Social Media Management, Scheduling and Analytics
AI-Powered Social Media Management, Scheduling and Analytics
AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension
