| Feature | Frase | Semrush |
|---|---|---|
| Free Plan | ✓ Yes | ✗ No |
| Pricing | Free trial / $15/mo | $139–$499/mo |
| Rating | ★★★★☆ 4.3 | ★★★★★ 4.6 |
| Key Feature 1 | SERP research | Keyword research |
| Key Feature 2 | AI content briefs | Competitor analysis |
| Key Feature 3 | AI writer | Site audit |
Reach buyers comparing Frase and Semrush. High-intent traffic, direct conversions.
Frase is the most affordable full-stack AI SEO writing tool, combining content research, brief generation, AI writing, and content optimisation in a single platform starting at $15 per month — a fract
Semrush is the leading all-in-one platform for SEO and digital marketing, offering keyword research, competitor analysis, backlink auditing, technical site auditing, rank tracking, and an AI writing a
• Cheapest full-stack SEO writing tool ($15/mo)
• Research + writing + optimisation in one app
• AI writer tuned for SEO content
• Generates results in seconds — serp research runs noticeably faster than manual alternatives
• AI writing quality below dedicated tools like Jasper
• Less accurate than Clearscope on competitive terms
• Most comprehensive SEO data — especially for keyword research workflows where Semrush consistently outperforms manual approaches
• All-in-one marketing suite — especially for keyword research workflows where Semrush consistently outperforms manual approaches
• $139–$499/mo puts it out of reach for individual users and very small teams on tight budgets
• Overwhelming for beginners — worth evaluating before committing if this is central to your use case