Castle blocks neighbor spoofing robocalls instantly, simply enter the first 6 digits of the phone number and it's done, no need to access your contacts. At best, these calls annoy. At worst, they defraud to the tune of $20 billion a year just in the us. We're here to use an algorithmic approach to combat this epidemic.

Ninja Masker helps protect your identity and prevents spam by generating masks for email fields on websites.