Initially named as Voice Action which allowed one to give speech commands to an Android phone.

[5] The new app has been compared favorably by reviewers to Siri and The Unofficial Apple Weblog's side-by-side comparison said that Google's Voice Search on iOS is "amazingly quick and relevant, and has more depth [than Siri]".

[6] Of note is that as of May 2016 20% of search queries on mobile devices were done through voice with the number expected to grow.

With a later update, Google announced Voice Search for iPod touch.

Since March 2010, a beta-grade derivation of Google Voice Search is used on YouTube to provide optional automatic text caption annotations of videos in the case that annotations are not provided.