| Price from | $25/mo | $4.16/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | Yes |
| Web | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 5 | 7 |
| Spec score · Knowledge base software | 8.9 (#10) | 8.9 (#11) |
| API | The REST API uses API-key authentication and can create or update articles, read conversations and manage contacts. | The plans comparison lists XML-RPC API access for Pro Lite, Pro, Pro+, and Community Site plans. |
| Custom domain | A custom domain with free SSL is included with every paid plan starting at Starter. | Yes |
| Free plan | The free plan is $0 forever and includes the knowledge base, widget, live chat, and inbox. | Yes |
| Integrations | Helpable integrates with Slack, Zapier, Make, Shopify, webhooks and REST APIs. | Wikidot describes Gravatar integration for anonymous users and says sites can embed selected HTML code from social sites or import RSS feeds. |
| Product | Helpable combines an AI chatbot trained on a company’s content, a live chat inbox, and a public help center. | Wikidot hosts wiki-based websites for publishing content, sharing documents, and collaborating with others. |
| Security controls | Helpable states that it is GDPR compliant and encrypts data in transit and at rest. | Wikidot describes HTTPS with at least 128-bit SSL for sensitive areas, anti-XSS/session-stealing measures and restricted database access. |
| Support | Helpable says it usually replies to contact messages within a few hours on business days, while Scale includes dedicated support. | First-line help is provided through the community FAQ, multilingual Handbook and forum, with email escalation. |
| Version history | Yes | Yes |