Knowledge Base is free to use and packed with features right out of the box. The Pro upgrade adds article ratings and feedback, a floating help widget, a three-column documentation layout, a custom permalinks engine, premium layouts, and GitHub-based content sync for larger documentation sites.
Free vs Pro
| Feature | Free | Pro |
|---|---|---|
| Core | ||
| Unlimited articles, sections, sub-sections, and products | ✅ | ✅ |
| Multi-product knowledge base mode | ✅ | ✅ |
Shortcodes ([knowledgebase], [kbsearch], [kbbreadcrumb], [kbalert]) | ✅ | ✅ |
| Gutenberg blocks (KB, Articles, Sections, Products, Search, Breadcrumb, Related, Alerts) | ✅ | ✅ |
| Block templates and patterns | ✅ | ✅ |
| Classic widgets (Articles, Sections, Products, Breadcrumbs) | ✅ | ✅ |
| Built-in breadcrumb navigation | ✅ | ✅ |
| Related articles | ✅ | ✅ |
Alert boxes ([kbalert] shortcode and Alerts block) | ✅ | ✅ |
| REST API | ✅ | ✅ |
| Multilingual support (WPML and Polylang) | ✅ | ✅ |
| Settings export and import | ✅ | ✅ |
| Display & Customization | ||
| Built-in frontend layout styles | ✅ | ✅ |
| Base slug customization (articles, sections, products, tags) | ✅ | ✅ |
| Premium layout pack (Modern, Minimal, Boxed, Gradient, Compact, Magazine, Professional) | ❌ | ✅ |
| Three-column documentation layout (sidebar nav, content, On this page outline) | ❌ | ✅ |
| Section Tree navigation block and widget | ❌ | ✅ |
| Custom permalink structures with dynamic placeholders | ❌ | ✅ |
| Knowledge Base homepage mode | ❌ | ✅ |
| Featured image on product/section archive pages | ❌ | ✅ |
| Table of Contents | ||
| Auto-generated inline TOC | ✅ | ✅ |
| TOC sidebar widget | ❌ | ✅ |
| TOC Gutenberg block | ❌ | ✅ |
| Floating / sticky TOC panel | ❌ | ✅ |
| Search | ||
| AJAX live search suggestions | ✅ | ✅ |
| Floating help widget with live search and suggested articles | ❌ | ✅ |
| Help widget contact form with email notifications | ❌ | ✅ |
| Reader Engagement | ||
| Binary or 5-star article rating | ❌ | ✅ |
| Follow-up feedback questions | ❌ | ✅ |
| GDPR-friendly rating tracking modes | ❌ | ✅ |
| Admin email alerts for new ratings | ❌ | ✅ |
| Bayesian average sorting in admin lists | ❌ | ✅ |
| Performance | ||
| Built-in output caching | ✅ | ✅ |
| Configurable cache expiry | ❌ | ✅ |
| On-demand cache clearing | ❌ | ✅ |
| Flush permalinks button in Settings | ❌ | ✅ |
| Content Management | ||
| Article export (Markdown ZIP, SQL dump, XLSX spreadsheet) | ❌ | ✅ |
| Article import from Markdown ZIP with taxonomy mapping | ❌ | ✅ |
| GitHub integration (sync Markdown docs via webhook) | ❌ | ✅ |
| Push/export articles back to a GitHub repository | ❌ | ✅ |
| Support | ||
| Community forum | ✅ | ✅ |
| Priority email support | ❌ | ✅ |
Choosing the Right Plan
All paid plans include the same Pro features. The difference is the number of sites and who you can use them on.
| Pro | Pro Multi | Agency | |
|---|---|---|---|
| All Pro features | ✅ | ✅ | ✅ |
| Number of sites | 1 site | 5 to unlimited | Unlimited |
| Use on client sites | ❌ | ❌ | ✅ |
| Priority email support | ✅ | ✅ | ✅ |
Knowledge Base Pro Rating System
Page Builder Integrations for Top 10 Pro