Looks like a good competitor to https://www.producthunt.com/tech... but at 1/5th the price. Would love to see a comparison between the quality of the results between the two. I believe the value-add her is the developer contact info (since everything else is available from Apple's RSS feed, yes?)
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With such intel from the Apple App Store, you could i.e. set up an email campaign, do outreach via social, build a data base of competing apps, track the lifetime of certain apps, check stats etc.
Ostetso