RankFast vs ContentpenTrack how AI sees you, or keep publishing so it has something to see.
Contentpen combines an autopilot writer with tracking of how your brand shows up in AI search. RankFast focuses on the writing and publishing: keywords, a monthly calendar, researched articles and nightly publishing to your CMS.
At a glance.
Contentpen details come from contentpen.ai, checked on 25 October 2026. Prices change, so check their site for the latest.
What RankFast brings.
- A clear count of articles
- RankFast plans are 15 or 30 articles a month at a fixed price per website: $3.93 or $3.30 an article.
- Written for Google and AI answers
- Each section opens with a short answer, figures link to sources and FAQs carry structured data, the formats AI assistants quote.
- Your products inside the article
- RankFast picks the product or service that fits each article and links to it, so traffic has somewhere to go.
Which one fits.
Pick RankFast if
- You want a fixed number of articles each month.
- You want articles that point readers to your products.
- You want writing and publishing without extra tracking to manage.
Pick Contentpen if
- You want to track your brand's answers in ChatGPT and other AI tools.
- You want a 7-day trial.
- You want to buy article packs that never expire.
Questions about RankFast and Contentpen.
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Yes, if what you need most is a steady flow of researched, published articles. If tracking your brand in AI answers matters as much as the writing, Contentpen covers that and RankFast does not.
Contentpen starts at $49 a month, or $39 billed yearly. RankFast is $59 for 15 articles or $99 for 30 a month, per website.
Yes. Your published articles stay on your site, so there is nothing to move. Add your website to RankFast, connect your CMS and approve the keyword plan; new articles link to the pages you already have. The first day is free, and so is your first article.