Surfer SEO and Frase both help you write content that ranks, but they solve the problem from different ends. Surfer is a precision on-page optimization tool built around a SERP-driven content score that SEO specialists trust to squeeze the most out of a page. Frase is a more affordable all-in-one that shines at turning search results into briefs and research, with optimization and AI writing bundled in. We have used both on live articles — here is how they compare.
At a glance
| Surfer SEO | Frase | |
|---|---|---|
| Our score | 9.0 | 8.8 |
| Best for | Precision on-page SEO | Briefs + value |
| Starts at | $99/mo | $45/mo |
| On-page optimization | Excellent | Very good |
| Content briefs & research | Good | Excellent |
| Built-in AI writing | Add-on | Included |
| SERP / NLP term analysis | Excellent | Good |
| Learning curve | Moderate | Easy |
How they are built differently
Surfer works backwards from the SERP: it analyzes the pages already ranking for your keyword and gives you a real-time content score based on the terms, headings, and structure they share. That makes it a favorite for competitive optimization, but the AI writing is a paid add-on and the platform costs more. Frase starts earlier in the workflow — it aggregates the questions and headings from ranking pages into a brief in seconds, then lets you write and optimize in the same place. It is cheaper and broader, but its optimization is not quite as deep as Surfer.
Round 1: On-page optimization — Surfer SEO
Surfer analyzes ranking pages more granularly and its content score is the one most SEO teams trust to guide a rewrite. Frase optimizes well but with less depth. Winner: Surfer SEO.
Round 2: Briefs & research — Frase
Frase auto-pulls People Also Ask questions, competitor headings, and stats into a usable brief far faster than Surfer. For research-heavy content it saves real time. Winner: Frase.
Round 3: AI writing & all-in-one — Frase
Frase bundles briefs, writing, and optimization in one affordable seat, while Surfer charges for AI credits on top of the base plan. For an end-to-end workflow, Frase is the tidier package. Winner: Frase.
Round 4: Pricing & value — Frase
At about $45/month Frase is less than half Surfer’s $99 entry, and it includes more of the workflow. For most solo creators and small teams that gap is decisive. Winner: Frase.
Where each one struggles
Surfer is expensive for solo users and its best AI features cost extra on top of the base price. Frase is cheaper and broader but its optimization scoring is not as precise as Surfer in very competitive niches, and its interface can feel dated. Neither replaces sound keyword research or an editor — they optimize the draft, they do not decide strategy.
Who should choose Surfer SEO
Choose Surfer SEO if optimization precision is the priority: agencies, in-house SEO specialists, and anyone fighting for competitive keywords who wants the most trusted content score and is fine paying a premium for it. Read our full Surfer SEO review.
Who should choose Frase
Choose Frase if you want briefs, research, writing, and optimization in one affordable tool. It fits solo creators, freelancers, and small content teams who value speed and price over the last few points of optimization depth. Read our full Frase review.
FAQ
The bottom line
Both are strong SEO writing tools for different buyers. Pick Surfer SEO for precision optimization in competitive niches; pick Frase for briefs, an all-in-one workflow, and far better value. Still comparing the field? See our best AI SEO tools guide.