Composio records 2,782,603 monthly visits with +22.8% month-over-month growth and Freemium, Contact for Pricing pricing. Grammarly records 58,867,412 monthly visits with -1.5% growth and Freemium pricing.
Give your AI agents secure, authenticated access to 1,700+ apps
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | composio.dev | grammarly.com |
| Pricing Model | Freemium, Contact for Pricing | Freemium |
| Monthly Visits | 2.78M (2,782,603) | 58.87M (58,867,412) |
| MoM Traffic Delta | +517.42K (+22.8%) | -916.08K (-1.5%) |
| Primary Market & Share | 🇺🇸 United States (28.6%) | 🇺🇸 United States (51.9%) |
| Direct Visits / mo | 1.24M | 25.4M |
| User Rating | 4.5 | 4.4 |
| Supported Platforms | Website | Website |
Give your AI agents secure, authenticated access to 1,700+ apps
A large catalog of pre-built integrations spanning productivity, CRM, support, engineering, finance, HR, and e-commerce apps, each exposing callable actions to your agent.
Composio runs OAuth flows, stores and refreshes credentials, and enforces per-action permission scopes so agents act only where you allow them.
One managed MCP endpoint that connects Claude, ChatGPT, Codex, Cursor, and other MCP clients to your entire tool catalog in a few clicks.
Start background agents from events occurring across connected apps, so work can begin without a user prompt.
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.
SpecialistLeading unified LLM model gateway, but strictly handles model inference rather than third-party SaaS tool integrations and authentication.
SpecialistLeading unified LLM model gateway, but strictly handles model inference rather than third-party SaaS tool integrations and authentication.
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.
Free / Open-sourceExceptional open-source gateway for LLM provider routing, but lacks Composio's extensive library of SaaS tool integrations and auth.
Free / Open-sourceOpen-source MCP gateway and pay-per-call catalog, but offers less extensive managed authentication workflows than Composio.
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.
SpecialistRobust TypeScript framework for agent workflows and tools, but requires writing custom integration code instead of pre-built connectors.
Powerful universal API infrastructure for connecting agents to B2B data, but focuses more on unified SaaS data than tool execution.
