Vault Unlock is an Android application developed by PicTools that falls into the Utilities & Tools category. It is a free app that helps users recover locked photos and videos from the Vault app, which is a popular app used to hide personal photos and videos.

The app is useful for those who have forgotten their Vault app password or lost important photos and videos that were hidden in the Vault app. With Vault Unlock, users can recover their hidden gallery with ease. The application is user-friendly and straightforward to use.

Overall, Vault Unlock is a handy tool for those who need to recover their lost or forgotten photos and videos stored in the Vault app. The application is free, easy to use, and does not require any technical skills to operate.