Call Spoofer is an Android application developed by CallToy, available for free on the Google Play Store. This app is designed to protect your privacy when receiving calls from unknown numbers. With Call Spoofer, you can call back any number without risking calling back unknown premium rate numbers with your normal GSM.

One of the most significant features of this app is that calls are routed via their servers, which means there will be no hidden charges from phone carriers. Additionally, this app allows you to change your voice, so you can protect your identity even further. You don't need to use a burner or second phone as this app provides you with all the necessary features to protect your privacy.

Call Spoofer currently supports the following countries: United Kingdom, Germany, and India. If you're looking for an app that can help you protect your privacy when receiving calls from unknown numbers, then Call Spoofer is the perfect app for you.