Is there any difference in iPhone 4.0 apps and iPhone 4 apps?

Is there any difference in iPhone 4.0 apps and iPhone 4 apps?
With the release of iPhone 4.0, the need for iPhone 4.0 apps has also increased in the market therefore every concerned personal is looking forward towards iPhone 4.0 apps developer, because they are the one that can fulfill all the needs and requirements of iPhone 4.0 apps.
IPhone 3.0 has ruled a lot in the market, and at that time more and more iPhone 3.0 apps developer were found in the market, but just after the official release of iPhone 4.0, people started moving towards the development of iPhone 4.0 apps which would fulfill their business needs and so as the developers and programmers.
Difference between iPhone 4.0 apps and iPhone 4 apps:
Most people think that there is a difference between iPhone 4.0 apps and iPhone 4 apps, as most of the people who are not familiar with iPhone that much thinks that both of them are different things, and both are different version of iPhone; however the fact is both are exactly the same thing. This can also be judged by the rule of significant numbers. Similarly iPhone 4.0 apps and iPhone 4 apps are exactly the same thing, and there is no difference in that. But if you talk about the firmware i.e. iPhone 4 apps and iPhone 4.0.1 then there is surely a big difference as iPhone 4.0.1 apps is the successor or the updated version of the iPhone software.
Effect on search results between iPhone 4.0 apps and iPhone 4 apps:
Both iPhone 4.0 apps and iPhone 4 apps are exactly the same thing; however they might have a minor effect on the search results when you look over them though search engines. When a person types iPhone 4.0 apps as a keyword in the search engine then he would get results that are more closely associated with iPhone 4.0 apps and the people who have typed iPhone 4 apps or iPhone 4 application in their content more would be given a little less priority in search engines when a person searches for the exact keywords in search engine.
Global statistics on iPhone 4.0 apps and iPhone 4 apps searches:
According to the current statistics on both keywords, it has been observed that the global searches for iPhone 4.0 apps are 60,500 while on iPhone 4.0 apps the current global searches are 170. From the above result it is evident that there is a huge difference between the searches for iPhone 4.0 apps and iPhone 4 apps.