security risks not only on third-party app stores, but also on the App Store. Because of the large size of the iPhone user base and the sensitive data store...

https://www.apple.com/jp/privacy/docs/Building_a_Trusted_Ecosystem_for_Millions_of_Apps.pdf

or as an agglomerate and where, for 50 percent or more of the particles in the number size distribution, one or more external dimensions are in the size ran...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf