The Vlingo voice app is one of the best Siri alternatives out for those who have the iPhone 3GS and iPhone 4 and are looking for Siri-like functionality. Vlingo is your very own Virtual Assistant. Simply speak to Vlingo and it will help you get more done, faster and easier than before. Try saying “Text John; What’s up?” or “find italian restaurants”, Vlingo even goes beyond the new Siri Assistant by integrating with your Facebook and Twitter accounts. Plus all functionality, including sms and email, is now completely free.
Vlingo is available for free in the AppStore