Google Search (free) has been on iOS for some time, with well-known search capabilities, access to Google apps, Google Goggles for identifying products, and Voice Search. But an update to the app yesterday enhanced Voice Search with spoken answers, and it quickly became clear Google Search had an edge on Siri -- especially when it comes to speed.
Siri has a distinct advantage in most cases because it's integrated with the iOS. This means you can have Siri "Call Rebecca," for example, and Siri accesses your contact list along with your phone app to make the call. … Read more