If you do not have an iPhone 4S and its Siri speech recognition assistant, Nuance points out that its free Dragon Go! app for the iPhone can tie into the same Wolframalpha decision engine that Siri does. There is a gotcha, however, since I have been unable to get it to automatically be invoked even using Nuance's own demonstration question (what is the square root of 10?).


Read More: Dragon Go! as a Poor Man’s Siri? Siri-ously? No. Check Out These Query Responses

Nuance released an update to the free Dragon Go! for iPhone app that adds Spotify, Wolfram|Alpha, Ask.com, Dictionary.com and Google+ to the list of content sources that can be queried by voice.


Read More: Dragon Go! for iPhone Update: Voice Query Spotify, WolframAlpha, Ask.com, Dictionary.com and Google+