Assessment Systems (assess.com) records 53,615 monthly visits with +3.8% month-over-month growth and Contact for Pricing pricing. Grammarly records 58,867,412 monthly visits with -1.5% growth and Freemium pricing.
Enterprise online exam platform with professional psychometrics
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | assess.com | grammarly.com |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 53.62K (53,615) | 58.87M (58,867,412) |
| MoM Traffic Delta | +1.97K (+3.8%) | -916.08K (-1.5%) |
| Primary Market & Share | 🇺🇸 United States (71%) | 🇺🇸 United States (51.9%) |
| Direct Visits / mo | 33.83K | 25.4M |
| User Rating | 4.2 | 4.4 |
| Supported Platforms | Website | Website |
Enterprise online exam platform with professional psychometrics
Manage large item pools with metadata, versioning, SME workflow and dozens of item types, plus AI-assisted authoring tools.
Deliver high-stakes exams with lockdown browsers, watermarks, AI detection, MFA and configurable scheduling across locations and institutions.
Support IRT-based CAT, multistage testing (MST) and LOFT models for shorter, more precise exams.
Choose live or recorded remote proctoring, bring your own proctor, or use Assessment Systems' global test center network.
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.
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
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
Offers similar inline grammar correction and snippets, but with a smaller ecosystem of browser extensions and integrations.
Offers similar inline grammar correction and snippets, but with a smaller ecosystem of browser extensions and integrations.
End-to-end certification platform built by psychometricians
End-to-end certification platform built by psychometricians
Biometric identity verification and AI-powered remote exam proctoring
Biometric identity verification and AI-powered remote exam proctoring
Provides exceptional clarity and style rewrites for professional text, but lacks broader plagiarism checking and citation tools.
Provides exceptional clarity and style rewrites for professional text, but lacks broader plagiarism checking and citation tools.
