No. 21 of 30 ·Writing Style Checkers

Markup AI

Name: Markup AI
Price: 249 USD

Web · Windows · Mac · API · Extension · paid plans from $249/mo

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Freedom report

Two barsScore 5.1

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Markup AI is ranked #21 of 30 in writing style checkers on Freedom251. It runs on API, Browser extension, macOS, Web, Windows. There is no free plan. A free trial is offered. Paid plans start at $249/mo.

Markup AI plans and pricing

All plans

Starter $249/mo With annual discount 12 million words checked a year · Unlimited users · Community support markup.ai · 4 Oct 2026

Business $999/mo With annual discount 50 million words checked a year · Unlimited users · Priority ticket-based support · Community access markup.ai · 4 Oct 2026

Enterprise Not published Invoicing Available Custom word volume · SSO and SCIM user provisioning · Dedicated Customer Success Manager · Enterprise onboarding and support markup.ai · 4 Oct 2026

Compared on writing style checkers

Free plan: No
Custom style guide: Yes
Terminology management: Yes
Brand voice rules: Yes
Editor support: Google Docs, Microsoft Word, Microsoft PowerPoint, Contentful, AEM Guides, Oxygen XML, XMetaL Author, MadCap Flare, MadCap IXIA CCMS, Heretto CCMS, Figma, VS Code
Rule action: suggest
Team workflow: Yes
API access: Yes

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The record

Product: Markup AI checks written content against brand voice and style guidelines before publication.
Brand review: Brand review checks voice, terminology, style, messaging, and audience standards.
Quality review: Quality review checks accuracy, clarity, readability, structure, and writing quality.
Citability review: Citability review checks content signals such as structure, authority, and answer readiness for AI search.
Feedback: The product presents actionable feedback and suggested edits that writers can apply while retaining control of the final content.
Integrations: The maker lists Google Docs, Microsoft Word, ChatGPT, Claude, MCP, and an API among its integrations.
Additional integrations: The maker also lists Zapier, AEM Guides, Contentful, Ixiasoft, Oxygen XML, MadCap Flare, VS Code, and Figma for Enterprise.
Google Docs extension: The Chrome extension works in Google Docs on Chromium-based browsers and does not analyze images, charts, or other non-text elements.
Trial: Each new organization gets a 30-day free trial with full product access and no credit card requirement.
Plan limits: Starter includes 12 million words checked per year and Business includes 50 million; the documentation describes these allowances as soft limits.
Support: Starter includes community support, while Business includes priority ticket-based support and community access.
Enterprise controls: Enterprise includes SSO and SCIM user provisioning, custom review criteria, and advanced style and content standards powered by Acrolinx.
Security: The maker links to a Trust Center, but the Trust Center page did not provide readable details when opened.
Company background: Markup AI says its product builds on decades of content intelligence and technology developed at Acrolinx.
Price from: $249/mo

Where it ranks on Freedom251

Best Writing Style Checkers in 2026#21 of 30

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Sources

markup.ai· checked 4 Oct 2026
markup.ai/product/· checked 4 Oct 2026
markup.ai/pricing/· checked 4 Oct 2026
docs.markup.ai/apps/google-docs· checked 4 Oct 2026
docs.markup.ai/admin/billing/plans· checked 4 Oct 2026
markup.ai/security/· checked 4 Oct 2026
markup.ai/about/· checked 4 Oct 2026