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Community Question

How should developers decide between Canvas Apps, Model-Driven Apps, Power Pages, and custom .NET applications for an enterprise requirement?

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Choosing the right application platform is an architectural decision, not simply a development preference. This discussion explores how requirements such as user experience, data model, security, offline needs, external users, scalability, custom logic, integration and development effort influence the choice between Canvas Apps, Model-Driven Apps, Power Pages and custom .NET applications. It also examines when Power Platform capabilities are sufficient and when a custom application architecture may be more appropriate. A useful topic for Power Platform developers, solution architects, technical consultants and beginners learning enterprise application design.
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Answers

The choice should begin with the business process, user experience, data architecture, security requirements, integration complexity, and long-term ownership rather than simply asking which technology is easier. Canvas Apps provide strong control over the user interface, while Model-Driven Apps are well suited to Dataverse-centric, data-driven business applications. Power Pages is appropriate when external users need secure interaction with business data through a web experience.

Custom .NET applications become relevant when requirements demand extensive custom logic, specialised UI behaviour, complex integrations, or capabilities that are not practical within the low-code platform.

Enterprise teams should also consider ALM, licensing, performance, security, developer skills, supportability, and future change. A useful architecture principle is to use Power Platform where it provides sufficient capability and introduce pro-code selectively where requirements justify the additional complexity.

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