By PlainAI  ·  Updated July 2026  ·  9 min read

Surfer SEO vs Frase — Which Content Optimisation Tool Is Actually Worth It in 2026?

If you’ve written a blog post, published it, and then watched it sit on page four of Google for months, you’ve hit the exact problem both of these tools try to solve. Surfer SEO and Frase both promise the same thing — tell you what your content is missing so it can actually rank — but they go about it in noticeably different ways, and they’re not priced the same either. We compared both to work out which one earns its subscription fee.

Surfer SEO

Best for on-page optimisation depth · No free plan · surferseo.com

Surfer’s whole approach is built around one core tool: the Content Editor. Give it a target keyword and it scans over 500 signals from the pages already ranking for that term, then hands you a live checklist — which words to include, how long your article should roughly be, how many headings, how many images. As you write, a score climbs in real time. It’s oddly satisfying to watch, and for anyone who’s never done keyword-level SEO before, it turns a vague task into a concrete one.

The depth is genuinely Surfer’s strength. It’s not an all-in-one platform — you won’t get backlink analysis or full technical site audits like you would with Semrush or Ahrefs — but for the specific job of “make this one article rank better,” it’s one of the most thorough tools on the market.

Pricing: There’s no free plan — just a 7-day trial. The Essential plan is $99/month, or $79/month billed annually (~£62–£78), and covers 30 Content Editor articles plus 5 AI-generated articles a month. For higher output, Scale runs $219/month, or $175/month annually (~£138–£173). AI Visibility tracking — seeing whether your brand shows up in ChatGPT and Google AI answers — is a separate $95/month add-on, not included at the entry tier.

Frase

Best value & AI-visibility tracking included · 7-day trial · frase.io

Frase takes a broader view. Rather than centring everything on a scoring editor, it runs a fuller loop: researching your topic, building a content brief from what’s already ranking, drafting a first pass in your voice, and — this is the bit that’s genuinely stood out to us in 2026 — tracking whether your existing content is actually being cited by ChatGPT, Perplexity, and Google’s AI answers.

That AI-visibility tracking used to be a $35/month add-on and is now folded into every paid Frase plan, which matters a lot if you’re publishing content today and want to know whether it’s showing up in AI search as well as traditional Google results. Surfer only offers the equivalent as a separate paid extra.

Pricing: No permanent free plan, but a 7-day free trial with no card required. Starter is $49/month, or $39/month billed annually (~£31–£39) — one seat, one domain, 10 optimised articles a month. Professional jumps to $129/month, or roughly $103–$109/month annually (~£81–£86), and is where most small content teams actually land, with 3 seats and 40 articles a month. Scale ($299/month, ~£236) is built for agencies managing multiple client domains.

Side by Side

Which One Should You Choose?

• Choose Surfer SEO if precision matters most to you — you want the deepest possible breakdown of exactly what a top-ranking page is doing, and you’re willing to pay for that granularity.
• Choose Frase if you’re starting out, watching your budget, or care as much about showing up in ChatGPT and AI search as you do about classic Google rankings. At roughly half Surfer’s entry price with AI-visibility tracking already included, it’s the more sensible starting point for a small site like PlainAI.

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