Currently Apple and Google only provide parental control tools and cannot block nudity across the whole system and third-party apps.

A statement by MacRumors.com. Statements are as reported by the cited publishers — not verified by DecisionGateway.

目前 Apple 与 Google 仅提供家长控制工具，无法在全系统及第三方应用中屏蔽裸露内容