A free program for Android, by Media Tech Studioz.

With the help of the excellent privacy protection and data encryption app Gallery Lock-Secure Folder App, you may effectively hide photos, recordings, videos, and other documents. Use this to lock apps, your gallery, or any other files you don’t want people to see.

Use this tool to effortlessly access hidden pictures and videos from your photo gallery by entering a secure PIN number. With Gallery Vault, sharing your phone is now simple and private information is protected. There is no restriction to the number of photos and videos you want to hide. Locking and unlocking are supported by biometric fingerprints, pattern security, and pin code.