Frase vs Keyword Insights
Both are strong picks for content optimization and keyword research, but they make different trade-offs. Here is the honest breakdown for 2026.
| At a glance | Frase | Keyword Insights |
|---|---|---|
| Pricing model | Paid | Paid |
| Starting price | $15/mo | $58/mo |
| Free tier | No | No |
| Free trial | Yes | Yes |
| Best for | SEO content briefs | Keyword clustering |
| Platforms | Web, Google Docs add-on, WordPress plugin | Web, API |
| Launched | 2016 | 2021 |
Frase
Content Optimization
Research, brief, outline, and optimize content in one affordable tool built around SERP analysis.
Strengths
- + Best value entry into content optimization
- + Brief generation saves real hours per article
- + Covers research to optimization in one place
Weaknesses
- − AI writing quality trails dedicated writers
- − Optimization scoring is simpler than premium rivals
- − Interface has accumulated clutter
Pick Frase over Keyword Insights if: you mainly need seo content briefs.
Keyword Insights
Keyword Research
Clusters thousands of keywords by live SERP overlap and tells you what deserves its own page.
Strengths
- + SERP-based clustering is far more accurate than semantic grouping
- + Handles very large keyword lists
- + Cheap trial makes evaluation painless
Weaknesses
- − Needs keyword lists from another tool as input
- − The writing features are weaker than dedicated tools
- − Credit accounting takes getting used to
Pick Keyword Insights over Frase if: you mainly need keyword clustering.
Bottom line
Frase is the right first content optimization tool for freelancers and lean teams. If you plan content from keyword lists of a thousand or more, Keyword Insights pays for itself on the first project. If budget is the deciding factor, start with whichever free tier or trial fits your workflow, then upgrade once you hit its limits.