Moz vs Writesonic

Moz, a Ziff Davis company, is the veteran SEO suite: Domain Authority, a 40-trillion-link index, keyword research, site crawls, and an AI module tracking two to three models weekly. Writesonic pairs AI visibility tracking with content execution: three platforms tracked daily on self-serve plans, an AI article writer publishing to WordPress, site audits with automatic fixes and an Action Center. They compete only where the categories overlap; the ledger below lines them up dimension by dimension so the differences carry the decision.

Moz. Moz, a Ziff Davis company, is the veteran SEO suite: Domain Authority, a 40-trillion-link index, keyword research, site crawls, and an AI module tracking two to three models weekly. Pricing: Standard $99, Medium $179 and Large $299 a month (about 20% less annually) with a $49 single-site starter; extra AI prompts cost $50 per 100 and extra dashboards $20 each.

Writesonic. Writesonic pairs AI visibility tracking with content execution: three platforms tracked daily on self-serve plans, an AI article writer publishing to WordPress, site audits with automatic fixes and an Action Center. Pricing: Starter $79, Basic $199 and Growth $399 a month on annual billing, tracking ChatGPT, Gemini and AI Overviews with 15 to 50 articles included; all ten platforms and the full Action Center are Enterprise.

Every cell below was read from the vendor’s own rendered pages (moz.com/products/pro/pricing and /products/local; writesonic.com/pricing), as of August 2026. Where a vendor’s public pages neither confirm nor deny a capability, the cell says so.

Open questions on each side, from the same rendered pages. Moz: claude and Perplexity absent from the tracked models; weekly cadence on both AI and rank tracking; content output stops at briefs. Writesonic: claude and Perplexity absent from self-serve tracking; publishing targets WordPress only; sentiment analysis starts at $399.

Rank.ai is built for the loop that usually falls between these two products. It puts your market’s buying questions to seven AI engines every day, ChatGPT, Claude, Gemini, Perplexity, Grok, Google AI Overviews and DeepSeek, three samples per engine, and records every answer with the brands named and the sources cited. It checks your Google rankings daily on every plan and scans a geo-grid of your Google Maps rank across your service area. And it finishes the job: the article pipeline researches, writes and publishes the missing pages into WordPress, Webflow, Shopify or WordPress.com with your approval, 10 a month included on the $0 plan.