Iqra is a free application for searching the Quran using speech recognition. Iqra currently provides the following features:

Search by reciting a full verse, part of a verse, or even a single word
View English translation and transliteration of matches as well as the original Arabic verse
View what chapter and verse number each match is
View the total number of matches found for your search
Share match results
Note: the app's repo seems no longer maintained, there was no activity since 1/2019.