ContentBrief.io vs OnPageSEO.ai
ContentBrief.io
contentbrief.ioOnPageSEO.ai
onpageseo.aiSide by side
| Figure | ContentBrief.io | OnPageSEO.ai |
|---|---|---|
| Price from | $29/mo | $29/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | — |
| Plans published | 5 | 3 |
| Spec score · Content Optimization Software | 8.4 (#9) | 7.7 (#36) |
| Audience | The site names content teams, SEO agencies, freelance writers, and founders as intended users. | The plans page describes the product as built for local businesses and the agencies that serve them. |
| Plan limits | Unused briefs do not roll over to the next billing period, and subscriptions renew automatically unless cancelled before renewal. | The plans page lists 2,500, 5,000, and 10,000 tracked keywords per site for Solo, Pro, and Agency, respectively. |
| Support | Agency Scale includes priority support, and the terms and privacy policy provide [email protected] for inquiries. | The Agency plan includes priority support, and the privacy policy lists [email protected] for questions and requests. |
Plans
ContentBrief.io
- FreeFree
- OpenClaw Starter Kit$6.99, paid once
- Freelancer Pack$29 a month
- SEO Content OS$34, paid once
- Agency Scale$99 a month
In their own words
ContentBrief.io
ContentBrief.io generates AI-powered SEO content briefs from search results. Enter a keyword to analyze the top 10 ranking pages, including their word counts, headings, content structure, and gaps. Briefs can include People Also Ask questions, related searches, and semantic keywords. An outline builder creates H2 and H3 structures with talking points based on ranking pages. The workflow moves from keyword entry to brief review and export, and generation takes about 30 seconds. Briefs can be copied or exported to a writer; PDF export is included in Freelancer Pack, while Agency Scale includes API access. The service is aimed at content teams, SEO agencies, freelance writers, and founders. Freelancer Pack costs $29 a month for 10 briefs per month. Agency Scale costs $99 a month for 50 briefs per month, team sharing, priority support, and API access. Unused briefs do not roll over, and subscriptions renew automatically unless cancelled before renewal.
OnPageSEO.ai
OnPageSEO.ai has no write-up on Specifiction yet; its figures are above.