HelpCenter.io vs ProProfs Knowledge Base

HelpCenter.io has no write-up on Specifiction yet; its figures are above.

ProProfs Knowledge Base creates public or private knowledge bases, manuals, documentation, and help centers. Its editor supports images, video, revision history, file management, version control, and single sourcing; Word documents, PDFs, and PowerPoints can be imported. AI features cover writing, search, translation, SEO optimization, step-by-step guide creation, article suggestions, and reporting. Authors can customize themes, fonts, CSS and HTML, use custom domains, and create multiple help sites or brands. Access controls include private sites, password protection, folder restrictions, conditional content, and IP restrictions; authentication options include SSO, SAML, and JWT. Reports cover article performance, search trends, failed searches, and author activity. It is accessible on laptops, tablets, and phones, and the mobile experience works without installing an app. The free plan supports one author and up to 25 pages. The pricing note lists paid plans from $0.99/user/mo (annual); the Essentials plan is also listed at $49 per author per month with annual billing and a 50-user minimum. Other listed plans include Business at $69 per author/month and Business Complete Elite at $79 per author/month, both with annual billing.