# Lock App-Encryption lock — Apply Privacy EncryPtion > App encryption, privacy protection, and parental controls for mobile devices. (iPhone/iPad app by 紫荣 雷.) - Source: https://appshunter.io/ios/app/lock-app-encryption-lock/id6476755062 (this page in markdown: same URL + `.md`) - Developer: [紫荣 雷](https://appshunter.io/developer/1586967648) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 16.0 · 22 MB - Languages: Arabic, English, French, German, Hindi, Japanese, Korean, Portuguese, Russian, Chinese and 4 more - Released: 2024-04-23 - Data updated: 2026-06-05 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/lock-app-encryption-lock/id6476755062/reviews.md ## What is Lock App? protect privacy, manage time and control the duration of mobile phone use. [Application features] -Encrypt applications, games, photos, videos, contacts. -Privacy protection: restrict any application to ensure that sensitive content is not snooped. -Parental control: prohibit the installation of improper applications, control the screen time and equipment usage, and provide a healthier mobile phone environment for children. -Enhance security: provide double protection for setting digital passwords and face recognition passwords for applications. -Anti-deletion function: it is forbidden to delete important applications to ensure data integrity. -automatic renewal terms -Subscription money will be deducted from your iTunes account when you confirm your purchase and at the beginning of each renewal period. -Renewal: Apple's iTunes account will be charged within 24 hours before its expiration, and the subscription period will be extended by one subscription period after the successful deduction. -Cancel your subscription: You can cancel your subscription or trial at any time by going to your iTunes account to set up and cancel your subscription, otherwise it will be renewed automatically. This operation must be completed 24 hours before the end of the probation period or any subscription period to avoid being charged. Subscriptions that include a trial period will be automatically renewed as paid subscriptions. Privacy policy：https://m11iavy23en.feishu.cn/docx/Sc2dda9oFoqyr4x8ODicEbThnOh?from=from_copylink User agreement：https://m11iavy23en.feishu.cn/docx/Yzvudixnmo8snZxjx4rcRc0lnBw?from=from_copylink ## Key features - Encrypt applications, games, photos, videos, and contacts - Restrict access to sensitive content - Control screen time and app installations - Digital password and face recognition security - Prevent deletion of important applications ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Month VIP member | $19.99 | per month | | 周VIP会员 | $4.99 | per 7 days | ## Frequently asked questions about Lock App ### Does Lock App have ads? Lock App does not contain advertisements. The app is free to download and offers in-app purchases for its premium features. ### What devices does Lock App support? Lock App is currently supported on iPhones. The developer has not specified support for other devices like iPads or Android phones. ### How often is Lock App updated? The latest version of Lock App is 1.7, which was last updated on October 15, 2024. Updates are released regularly to improve functionality and security. ### What are the subscription options for Lock App? Lock App offers a weekly VIP membership for $4.99/week with a 3-day free trial, and a monthly VIP membership for $19.99/month with a 3-day free trial. Subscriptions automatically renew. ### How can I cancel my Lock App subscription? You can cancel your Lock App subscription or trial at any time by going to your iTunes account settings. Ensure cancellation is completed at least 24 hours before the end of the current subscription period to avoid charges. ### What is the age rating for Lock App? Lock App has an age rating of 4+. This indicates it is suitable for children aged 4 and above, with content generally considered appropriate for this age group. ### What kind of privacy features does Lock App offer? Lock App provides robust privacy features including encrypting applications, games, photos, videos, and contacts. It restricts access to sensitive content, preventing snooping and unauthorized viewing. ### Can Lock App prevent my child from installing inappropriate apps? Yes, Lock App includes parental control features that allow you to prohibit the installation of improper applications. This helps maintain a healthier mobile phone environment for children. ## Version history (last 5 releases) ### 1.7 — 2024-10-15 Fixed some bugs ### 1.6 — 2024-10-09 Fix bugs ### 1.5 — 2024-06-07 Fix some bugs ### 1.4 — 2024-06-03 Fix some bugs ### 1.3 — 2024-05-17 Fix some bugs ## Apps similar to Lock App | App | Rating | Price | Category | | --- | --- | --- | --- | | [PH: App Locker for your iPhone](https://appshunter.io/ios/app/ph-app-locker-for-your-iphone/id6477697867) | 4.6 (975) | Free | Utilities | | [SPV - Photo Vault](https://appshunter.io/ios/app/spv-photo-vault/id1449239240) | 4.6 (69,052) | Free | Utilities | | [Hide Photos Videos: Photo Lock](https://appshunter.io/ios/app/hide-photos-videos-photo-lock/id1459803235) | 4.6 (604) | Free | Utilities | | [Private Browser - Photo Vault](https://appshunter.io/ios/app/private-browser-photo-vault/id1435264910) | 4.7 (1,374) | Free | Utilities | | [AppLock - photo lock](https://appshunter.io/ios/app/applock-photo-lock/id1509154892) | 3.6 (396) | Free | Utilities | | [Photo Vault - SafeCalc](https://appshunter.io/ios/app/photo-vault-safecalc/id1242270392) | 4.6 (1,659) | Free | Utilities | ## More apps by 紫荣 雷 - [抠图P图大师-智能人像抠图图片编辑](https://appshunter.io/ios/app/p/id1587580199) - [手机恢复数据管家大师](https://appshunter.io/ios/app/id1588053981) - [Draw graffiti, draw pictures](https://appshunter.io/ios/app/draw-graffiti-draw-pictures/id6503602902) - [GPS Altitude Measurement](https://appshunter.io/ios/app/gps-altitude-measurement/id6636474191) All apps by 紫荣 雷: https://appshunter.io/developer/1586967648 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*