What are the similarities and differences between AEM and Sitecore CMS?

Sitecore CMS is one of the leading enterprise-level content management systems built on ASP.NET. Both Sitecore CMS and AEM offer asset management and content management features, but AEM also provides workflow management functionality. We can compare the AEM and Sitecore CMS on the following criteria :

Comparison parameter	AEM	Sitecore CMS
Cost-Effective	AEM is highly cost-effective.	Sitecore CMS is also highly cost-effective.
Complexity	The complexity in AEM is high.	The complexity in Sitecore CMS is also high.
Features	All the features of a good CMS are available in AEM.	All the features of a good CMS are also available in Sitecore CMS.
Integration	AEM is easy to access.	Easy to access Sitecore CMS is easy to access.
CMS Support	AEM can support Multiple User Access	Sitecore CMS also supports Multiple User Access
Security	Security is very high in AEM.	Security is also very high in Sitecore CMS.
Customization	AEM is customizable but moderately.	Sitecore CMS is highly customizable.
Single platform support	AEM supports a single platform.	Sitecore CMS does not support a single platform.
User Experience	AEM provides a good User Experience.	Sitecore CMS also provides a good User Experience.
Built-in	AEM is based on the OSGi-based Apache Sling, a Java application that uses the Apache Felix engine.	Sitecore CMS is based primarily on the .NET programming language.