So you use a two-factor authentication, a VPN, you cover your webcam. You’re doing everything you should to stay safe and private online. But what do you do about your phone calls?

Guardlock extends the protections of encryption to your phone conversations. It’s an easy-to-use app that protects voice calls with military-grade, AES-256 encryption. Additionally, you can use nicknames, unique keys for each call, all without transmitting any logs or call data, even to Guardlock. That means you can extend your security and anonymity to conversations on your smartphone.

Buy now: Get a lifetime subscription to Guardlock for $59.99. That’s a whopping 87 percent off the usual price.