Edit: actually, it was Google, not Apple. Google Play's brand isn't as strong as the App Store, but Amazon still caved to Google, which only underscores my point. https://www.techradar.com/news/software/applications/amazon-...
But there was a case back in 2011 where Amazon removed the Kindle Store from their iOS app at Apple's request: https://www.cultofmac.com/105966/amazon-caves-to-apple-remov...
Edit: actually, it was Google, not Apple. Google Play's brand isn't as strong as the App Store, but Amazon still caved to Google, which only underscores my point. https://www.techradar.com/news/software/applications/amazon-...
But there was a case back in 2011 where Amazon removed the Kindle Store from their iOS app at Apple's request: https://www.cultofmac.com/105966/amazon-caves-to-apple-remov...