应用锁-app lock、应用锁+

Lock App is a privacy-focused extension designed to protect personal data by locally locking apps and preventing uninstall of important apps. It supports family use, helping children develop healthier mobile habits, while keeping all operations on-device without third-party SDKs.

The page also outlines membership options (monthly and annual) with perks such as ad removal and unlimited app locking. Payments are billed through iTunes, and official support is available via WeChat; links to Privacy Policy, User Agreement, and VIP Service Agreement are provided.