ThinkYeah Apps - Provide the best solution for privacy safety

Lock Any App You Like

Lock Messages, Photos, Contacts, Facebook and any app you like.

Keep Photos & Videos Safe

Hide photos & videos away from spying eyes and get all images from a web page.

Build A Private Space With Her

Call History and Messages between you and her, no one else knows that.

Smart AppLock

Smart AppLock helps you to add password to any app you like. Protect your privacy from prying eyes.
Even lock incoming calls, Wi-Fi toggle, Bluetooth toggle and more.

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iAppLock

iAppLock, the iOS version of Smart AppLock, is able to add password to any app you like. Also be able to lock App Uninstall, Icon Moving, Recent Tasks and a lot more.

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GalleryVault

With GalleryVault, you can keep important photos & videos in a safe place, enjoy privacy and secret elegantly, download all images in web page with one touch. We designed GalleryVault to adapt to all your needs.

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PrivateSpace

Make messages and calls between you and her in secret!

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About Us

Nanjing Daocheng Network Technology Co., Ltd.(南京道成网络科技有限公司) is a Mobile Internet technology company, founded in June 2014. We are focusing on mobile apps and games, now we have developed dozens of quality apps and provided services for more than 1 billion users from over 200 countries and regions, forming globalized super user ecosystem.