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Build or Buy? When is AI software worth it for DMS and QMS?

Development costs are just the beginning – what really matters in a long-term AI strategy

Andreas Dangl

Andreas Dangl

Created on 05. August 2026

Approve_Blogartikel_Build or Buy

Artificial intelligence helps companies streamline their document and quality management processes. It analyzes documents, automates approval processes, provides structured access to knowledge, and supports audits and technical documentation. At the same time, many companies face a strategic decision: Does it make more sense to develop an AI application in-house or to rely on specialized document management and quality management software?

Modern AI tools make it easier than ever to get started with developing your own applications. An initial prototype can often be created in a short amount of time. However, other factors play a crucial role in long-term use within document and quality processes: maintainability, subject matter expertise, security, further development, and the total long-term costs.

 

Why does an in-house development seem attractive at first?

The idea is obvious: Companies have technical expertise, powerful AI models are available, and initial results can be achieved quickly. This easily creates the impression that building an in-house system is the most cost-effective option.

For clearly defined use cases, this approach can make sense. However, when artificial intelligence becomes part of business-critical document or quality processes—for example, in technical document management or quality management—the requirements increase significantly. Then it’s no longer just about development, but above all about reliable, long-term operation.

 

What challenges arise during day-to-day operations?

Many companies have experienced a similar scenario in the past: A large Excel file with complex macros supports a critical business process. Over the years, the document grows, is continuously expanded, and becomes an indispensable tool. Often, however, only one person understands all the interdependencies. When that person leaves the company or takes on other responsibilities, the real challenge begins. Adjustments take longer, errors are difficult to trace, and improvements become increasingly time-consuming.

The same question arises with an in-house AI application: Who will continue to develop it in three, five, or ten years? Who will integrate new AI models? Who will ensure that the application keeps pace with new requirements in document management, quality management, or compliance? Especially in regulated industries such as mechanical and plant engineering, these long-term aspects often determine whether an AI application creates lasting value.

 

What are the costs associated with the entire lifecycle of an AI application?

Development costs are only part of the investment. Equally important are the ongoing expenses for maintenance, operation, further development, testing, security, documentation, and knowledge management. Often, it takes several years to realize just how high the actual total costs of an in-house development are. If internal expertise is lost or requirements change, the costs increase even further.

Specialized AI software spreads these investments across many customers. As a result, companies benefit from ongoing optimizations, the latest technologies, and software that is continuously maintained.

 

Why is expertise crucial?

Powerful AI alone does not create added value. What matters most is how it is integrated into existing business processes. Document and quality management present unique challenges. Document control, technical documentation, approval processes, standards, compliance, and auditability all require in-depth expertise in both the processes and the software.

This is precisely where the difference lies between a general-purpose AI application and specialized software. Technology and industry knowledge complement each other and create added value that goes far beyond the mere use of a language model.

 

Why do companies choose a specialized partner?

Companies focus on their core competencies. A machine manufacturer develops machines. A plant engineer designs complex facilities. An industrial company produces high-quality products for its customers. The continuous development of an AI system, on the other hand, is rarely part of the actual business model.

With Fabasoft Approve, that is exactly the case. We develop software for document and quality management in the industrial sector. The continuous improvement of our software is not a side project, but our corporate purpose. New requirements from the industry, technological developments, and innovations in the field of artificial intelligence are incorporated into our product. As a result, our customers benefit from software that grows with their needs and remains up-to-date over the long term.

 

When is a specialized AI application worth it?

An in-house solution may be the right choice for highly specialized use cases. However, when it comes to a long-term AI strategy for document and quality management, it’s worth considering the entire lifecycle. In addition to development costs, future-proofing, maintainability, expertise, and continuous innovation play a central role. Specialized software offers companies the opportunity to leverage modern technologies productively while relying on a partner whose focus is squarely on this specific area. After all, an AI application delivers its greatest value not just on the day of implementation, but over many years to come.

Andreas Dangl

Andreas Dangl

Managing Director, Fabasoft Approve GmbH

For more than 35 years, Andreas Dangl has been driving the development of innovative software solutions and supporting companies through their digital transformation.

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