The motivation of the question may be opinion based, but the actual question is technical in nature. "Is there a way to find out which framework and components are used in an iOS app?" has a factual answer.
For example, you can certainly learn a few things by looking at what is in the distributed app package.
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This question seems like it might get some good answers on Stack Overflow. http://www.stackoverflow.com
SO doesn't do questions of opinion
The motivation of the question may be opinion based, but the actual question is technical in nature. "Is there a way to find out which framework and components are used in an iOS app?" has a factual answer.
For example, you can certainly learn a few things by looking at what is in the distributed app package.