What's the best Android app for blocking unwanted calls from telemarketers and unknown numbers to stop spam calls?

Call Blocker - Block Numbers is a highly effective Android application designed to block unwanted calls from telemarketers, spammers, and unknown numbers. It efficiently stops spam calls, providing a seamless and uninterrupted mobile experience. The app's primary function is to filter incoming calls, allowing only those from your contacts to reach you, while automatically blocking all others. This feature is particularly useful for users who receive numerous unsolicited calls daily. To use the app, simply download and install it from the Google Play Store. Then, configure the settings to block all calls except those from your contacts. You can also manually add numbers to a block list. While some users find the blocking of all non-contact calls slightly inconvenient when expecting calls from unfamiliar numbers, the app's overall effectiveness in preventing spam calls makes it a worthwhile trade-off. The developer's responsiveness to user feedback further enhances the app's appeal, ensuring continuous improvement and user satisfaction. This call blocking app is a free solution for anyone struggling with unwanted calls.