Seonix vs Writesonic

Seonix

Seonix is an SEO autopilot rather than a writing editor: it researches the keywords, drafts each article from the pages already ranking, scores it on the page, publishes it as a native post to WordPress, Ghost, Webflow, Shopify or Wix on a schedule, and tracks the results in Search Console and in ChatGPT answers. The entry plan is $49 a month for 30 published articles, with a free audit plan in front of it. It launched in 2026, so the track record is short and the company behind it is small — the trade for a price that undercuts the autopilots and editors it competes with.

Pros

• +Runs the whole loop — keyword research, drafting, on-page scoring, scheduled publishing and rank tracking — instead of one editor you paste into
• +30 published articles a month on the $49 plan — three times Frase's Starter allowance at a similar price
• +Free plan with a full technical audit, Site Health and an AI-search readiness check before any money changes hands
• +Articles arrive as native CMS posts with images, meta tags, internal links and schema already in place, on WordPress, Ghost, Webflow, Shopify and Wix, and an API for anything else
• +Reports where the brand shows up in ChatGPT and Gemini answers, not only in Google rankings

Cons

• −Launched in 2026 — a short track record, and one small company behind it
• −One paid tier between Free and Enterprise: more than 30 articles a month, or a second site, means a custom quote
• −The 14-day refund applies only while nothing has been generated on the account

Writesonic

This is not the AI copywriter the catalogs still describe — it is a GEO tracking suite priced like one, and at $79 to start you are paying enterprise-monitoring money for a three-engine view of your own brand.

Pros

• +Daily prompt and answer tracking is the core of the product, not a bolt-on dashboard
• +Site audits, content generation and publishing sit in the same tool as the monitoring
• +A genuine free tier still exists, with no card required

Cons

• −Starter watches three engines out of ten; the interesting ones are all Enterprise
• −Month-to-month costs about 25% more than the advertised annual rate
• −The old writing-tool positioning is gone, so most third-party reviews describe a different product
• −Prompt and article caps are daily and monthly, so a burst of work stalls until the counter resets

Is Seonix cheaper than Writesonic?

On published entry prices, Seonix starts lower — $49/mo against $79/mo for Writesonic. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Seonix or Writesonic have a free tier?

Both: Seonix has a free tier, and Writesonic has a free tier.

Which has a public API, Seonix or Writesonic?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.