Frase vs Grammarly
A detailed comparison to help you choose the right tool for your needs.
Frase
AI content research and SEO writing in one workflow
Grammarly
AI writing assistant for clear, mistake-free communication
| Feature | Frase | Grammarly |
|---|---|---|
| Pricing Model | Free Trial | Freemium |
| Starting Price | $15/mo | $12/mo |
| Rating | 4.3/5 | 4.6/5 |
| Free Trial | 5 days | No |
| Founded | 2016 | 2009 |
| Headquarters | United States | United States |
| SERP Research | ✓ | ✗ |
| AI Content Briefs | ✓ | ✗ |
| AI Writer | ✓ | ✗ |
| Content Optimization | ✓ | ✗ |
| Question Research | ✓ | ✗ |
| Topic Scoring | ✓ | ✗ |
| Google Docs Add-on | ✓ | ✗ |
| Content Analytics | ✓ | ✗ |
| Grammar & Spelling Check | ✗ | ✓ |
| Tone Detection | ✗ | ✓ |
| Generative AI Writing | ✗ | ✓ |
| Plagiarism Detection | ✗ | ✓ |
| Brand Tone Profiles | ✗ | ✓ |
| Browser Extension | ✗ | ✓ |
| Microsoft Office Integration | ✗ | ✓ |
| API Access | ✗ | ✓ |
Frase Pros
- ✓ Combines research and writing in one tool
- ✓ Automated content briefs save hours
- ✓ Affordable compared to Clearscope and Surfer
- ✓ Question research from People Also Ask
- ✓ AI writer produces decent first drafts
Frase Cons
- ✗ AI writing quality below Jasper for marketing copy
- ✗ Content editor less polished than Surfer SEO
- ✗ Limited integrations
Grammarly Pros
- ✓ Works everywhere via browser extension
- ✓ Excellent grammar and clarity suggestions
- ✓ Generative AI for drafting and rewriting
- ✓ Tone detection helps match audience
- ✓ Enterprise plans with admin controls
Grammarly Cons
- ✗ Free tier is limited to basic corrections
- ✗ AI writing features require Premium plan
- ✗ Can be overly aggressive with suggestions
Pricing Comparison
Frase Plans
4 articles/mo · SERP research · Content editor
30 articles/mo · AI writer (4,000 words) · Keyword research
Unlimited articles · Unlimited AI words · 3 users · Google Search Console integration
Grammarly Plans
Basic grammar and spelling · Tone detection · Limited AI suggestions
Full writing suggestions · Generative AI · Plagiarism detection · Tone adjustments
Brand tone profiles · Admin controls · SAML SSO · Priority support
Use Cases
| Use Case | Frase | Grammarly |
|---|---|---|
| SERP-based content research and briefs | ✓ | — |
| AI content drafting with SEO optimization | ✓ | — |
| Question research from People Also Ask | ✓ | — |
| Content optimization scoring | ✓ | — |
| Competitor content analysis | ✓ | — |
| Marketing email proofreading | — | ✓ |
| Blog post editing and clarity improvement | — | ✓ |
| Social media caption polishing | — | ✓ |
| Brand tone consistency across teams | — | ✓ |
| Academic and business document review | — | ✓ |
When to Choose
Choose Frase if…
Content marketers who want research-to-publish efficiency in one tool
Read full Frase review →Choose Grammarly if…
Anyone who writes professionally — marketers, copywriters, and business communicators
Read full Grammarly review →Our Verdict
Frase
Frase delivers the strongest value proposition in the content optimization space, particularly for budget-conscious teams. At $15/mo for the Solo plan, it undercuts Clearscope ($189/mo) and Surfer SEO ($99/mo) by a wide margin while covering the core research-to-writing workflow. The automated content briefs are a genuine time-saver, condensing what typically takes 1-2 hours of manual SERP analysis into minutes. The AI writing quality is serviceable for first drafts but falls short of dedicated AI writers like Jasper for polished marketing copy. Similarly, the content editor's optimization scoring, while useful, is less refined than Surfer SEO's NLP-driven analysis. The ideal use case is for content teams that need to produce a high volume of SEO-focused articles efficiently and are willing to do a final editing pass. Not the best choice if your priority is premium copywriting quality or advanced content optimization metrics.
Grammarly
Grammarly is the most widely adopted AI writing assistant, and its ubiquity across platforms — email, docs, social media, CMS, chat — is its greatest strength. It catches issues that standard spellcheck misses, including clarity, tone, and conciseness problems that meaningfully improve writing quality. The Premium tier's generative AI features transform it from a pure editor into a capable drafting companion, though it is not a replacement for dedicated content generation tools like Jasper or Copy.ai for high-volume marketing output. The free tier is genuinely useful for basic corrections, making it an easy recommendation for any professional who writes regularly. The main trade-off is that its suggestions can occasionally be overly aggressive, and the AI drafting features, while improving, still require editorial judgment. At $12/mo for Premium, it represents strong value. Recommended for marketers, copywriters, and business communicators who want a consistent safety net across every writing surface.
Integrations
Frase
Grammarly
Green badges indicate shared integrations.