iPhone 4 is now officially announced and will be available very soon at an Apple store near you. If you missed check our previous article regarding iPhone 4 pricing and international availability. iPhone 4 is build on state of art hardware and software technologies, that no other smartphone offers. Apple iPhone is challenged by Android phones in recent days. Biggest advantage of Android is, it allows a huge amount of people and companies to collaborate on this OS. Any company who wants to make a smartphone based on Android can do so without paying a licensing fee. Smartphone companies are also free to modify the OS according to their requirements.
If you are still divided between choosing a right phone for you, folks over TiPB compared iPhone 4 specifications with Android giants Nexus One, HTC Evo 4G and Droid Incredible.