HelpNDoc vs SCHEMA ST4
HelpNDoc
helpndoc.comSCHEMA ST4
quanos.comSide by side
| Figure | HelpNDoc | SCHEMA ST4 |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 8 | 1 |
| Spec score · Help Authoring Tools | 8.9 (#2) | 6.8 (#22) |
| Publishing audience | both | It is aimed at companies managing technical documentation across multiple product variants, languages, or publishing channels, including manufacturers in mechanical engineering, medical technology, electronics, and automotive. |
| Company history | IBE Software says it has developed tools for developers and Windows users since 2003. | Quanos’s company history says SCHEMA GmbH was founded in Nuremberg in 1995 and the Quanos Group was formed in January 2020. |
| Security | HelpNDoc can add PDF encryption and password protection to restrict access to generated documents. | Quanos states that ST4 Cloud is ISO 27001-certified, stores customer data on servers in Germany, and is GDPR-compliant. |
Plans
HelpNDoc
- Personal EditionFree
- Personal EditionFree
- Standard Named€99, paid once
- Standard Floating€249, paid once
- Professional Named€299, paid once
- Ultimate Named€499, paid once
- Professional Floating€749, paid once
- Ultimate Floating€1,249, paid once
In their own words
HelpNDoc
HelpNDoc is a Windows help-authoring tool for turning written or imported content into help files, websites, manuals, documents, Markdown, and eBooks. A single project can generate CHM, HTML, Word, PDF, Qt Help, Markdown, ePub, and Kindle outputs. Its authoring environment combines a table of contents editor, WYSIWYG topic editor, keywords editor, library, and word processor. The library stores reusable media and content, including pictures, videos, documents, HTML, variables, snippets, equations, QR codes, and counters. A script editor and API support project automation with Pascal commands, and generated help IDs and context numbers can be produced as source code for several programming languages. PDF output offers controls for compression, encryption, permissions, fonts, and viewer layout. The Ultimate edition includes an AI Assistant, AI Project Management Agent, and built-in MCP server. A free Personal Edition is available for personal use; commercial editions start at €99, with named and floating licenses. The listed prices exclude VAT.