This improved version of Tone of voice search can make proper use of Understanding chart to exhibit much more accurate results. This particular variations also replies back again your responses as compared to prior Voice Research version. Google has taken the challenge through Apple really seriously. :)
People who were let down through Apple through not permitting Siri on iPhone 4 and lower variations, can certainly be grateful in order to Google. Improved Voice search for iOS is not however available but it will be operational soon. Read the demo video!