iPhone Recommendations App?
Need some help developing this idea, as I have no idea where to start.

Users would take a quiz asking questions about objects and are given recommendations based on their choices. So, there could be a database of say, 50 items, and each item has tags describing them, then the app compared the tags of each item to determine a suitable fit for the user.

Just need help figuring out where to start, or how this could be done. Thanks in advance.
iPhone Recommendations App?
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Need some help developing this idea, as I have no idea where to start.

Users would take a quiz asking questions about objects and are given recommendations based on their choices. So, there could be a database of say, 50 items, and each item has tags describing them, then the app compared the tags of each item to determine a suitable fit for the user.

Just need help figuring out where to start, or how this could be done. Thanks in advance.