Basically, Hide it Pro is safe to hide files on Android phones and iPhones. You can keep your secret hidden completely safe with Hide It Pro and you may easily unhide the files with a password. However, if you forgot the password, Hide it Pro crashes, your files are no longer safe. To avoid this issue, you should always keep a backup of your photos, videos, etc. valuable files to a cloud drive, like GoogleDrive or iCloud, etc.