Premium version

The package ke_search_premium is a paid add-on to ke_search. It can be installed additionally to ke_search and adds the following features:

• Distance search and map display (using Google Maps)
• Faster search on very big data sets using Sphinx, also providing in-word search
• Auto-complete
• “Do you mean?” function
• Synonyms
• Remote-Indexer (adding one ore more external TYPO3 websites to the index)

More information can be found on

http://dev.kesearch.de/documentation/ke_search_premium/

and

https://www.typo3-macher.de/facettierte-suche-ke-search/premium/ (sorry, only in german)