How do their growth rates compare?

Grammarly has a month-over-month growth rate of +21.3%; WriteHuman has -0.2%.

How does pricing compare?

Grammarly: Freemium. Free plan ($0/month) includes core grammar and spelling checks, tone detection, and 100 generative AI prompts/month; Grammarly Pro costs $12/member/month billed annually ($144/year, or $30/month billed monthly) with full-sentence rewrites, plagiarism/AI detection, team style guides, and 2,000 AI prompts/month, while Enterprise offers custom pricing with unlimited AI prompts and BYOK security. WriteHuman: Freemium, Paid. Freemium: start with free humanizations, then move to paid subscription plans; current pricing is listed on the official site.

What are alternatives to Grammarly and WriteHuman?

Other tools in related categories include ChatGPT, DeepL, AI Summarizer - 1, Quillbot Paraphraser, Gamma AI.

Head-to-Head Benchmark

Grammarly vs WriteHuman

Grammarly records 59,783,496 monthly visits with +21.3% month-over-month growth and Freemium pricing. WriteHuman records 535,861 monthly visits with -0.2% growth and Freemium, Paid pricing.

GrammarlyFreemiumTraffic Leader

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

Monthly Visits

59.78M

MoM Velocity

+21.3%

Top Market

🇺🇸 United States

View Grammarly Analysis grammarly.com

WriteHumanFreemium, Paid

AI humanizer that turns AI text into undetectable, human-like writing

Monthly Visits

535.86K

MoM Velocity

-0.2%

Top Market

🇺🇸 United States

View WriteHuman Analysis writehuman.ai

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Grammarly	WriteHuman
Official Domain	grammarly.com	writehuman.ai
Pricing Model	Freemium	Freemium, Paid
Monthly Visits	59.78M (59,783,496)	535.86K (535,861)
MoM Traffic Delta	+10.5M (+21.3%)	-1.21K (-0.2%)
Primary Market & Share	🇺🇸 United States (51.5%)	🇺🇸 United States (32.1%)
Direct Visits / mo	26.56M	165.84K
User Rating	5	5
Supported Platforms	Website	Website

Grammarly

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.