Software & Apps > Apps 649 649 people found this article helpful 7 Best Call-Blocker Apps for Smartphones We've tested them: Stop annoying calls with these apps By Nadeem Unuth Nadeem Unuth Freelance Contributor University of Mauritius Nadeem Unuth is a former freelance contributor to Lifewire who specializes in information and communication technology with a focus on VoIP. lifewire's editorial guidelines Updated on February 14, 2020 Reviewed by Christine Baker Reviewed by Christine Baker Christine Baker is a marketing consultant with experience working for a variety of clients. Her expertise includes social media, web development, and graphic design. lifewire's editorial guidelines Apps Best Apps Payment Services Trending Videos Close this video player Use a call-blocking feature or call-blocker app on your smartphone to block incoming calls you don't want. These calls are annoying, disturbing, and time-consuming. Call-blocker apps do two things: identify who is calling and block the call if the number is listed as unknown. Here are some of the best apps for blocking unwanted calls. The suitability of these call-blocker apps depends on your personal needs. Choose the one that fits you best. Some of these apps work only on iPhones while others work only on Android phones. Some work on multiple platforms. Check the specifications and choose the best one for you. 2:28 The Best Call Blocker Apps For Smartphones Truecaller: Block Calls and Look Up Numbers What We Like Block by country code or number series. Many extra features. Diverse language support. What We Don't Like Supported by ads. Spammer list doesn't update automatically. Our Review of Truecaller Truecaller is a popular number-lookup app with a number repository of more than 2 billion records collected from the contact lists of users throughout the world. It's good at identifying numbers, which makes it good at blocking calls from unfamiliar sources. Apps like Truecaller access your phone book, which it appends to the huge database on its server. If you feel uneasy about that, this might not be the right app for you. This app is available for iPhones and Android phones. Visit the Truecaller Website Download Truecaller for iPhone Download Truecaller for Android Hiya: Caller ID and Spam Blocker What We Like No ads. Block by number prefix. Uncomplicated design that's easy to use. What We Don't Like Auto-block for spam calls isn't free. Only premium version identifies caller's name. Hiya (previously White Pages Caller ID and Call Blocker) was once just a reverse-number lookup service. Now the app also blocks calls and offers a caller ID service. Hiya is good at identifying numbers because it analyzes more than 3 billion calls each month to give users context around their incoming calls. Like Truecaller, once you register, your calls are among those analyzed. Hiya is available for both Android and iOS phones. Visit the Hiya Website Download Hiya for iPhone Download Hiya for Android Should I Answer?: Categorizes Numbers for Strong Filtering What We Like Constant, daily improvements via user ratings. Extremely easy to use. Unique customization options. What We Don't Like Manual blocking setting is hidden in the menu. Not easy to add new numbers to block list. Should I Answer? is a number-lookup service that works similarly to Truecaller and Hiya. It blocks calls while categorizing numbers into groups for better filtering. Should I Answer? says its database grows daily by 30,000 new reviews. The app is available for Android and iOS phones. Visit the Should I Answer? Website Download Should I Answer? for iPhone Download Should I Answer? for Android Calls Blacklist: Schedules Call Blocking What We Like Schedule block times. Easy to enable/disable blocking. Block private and unknown numbers. What We Don't Like Works with Android only. Free version shows ads. This app blocks calls and includes some handy features. Apply a schedule to your call blocking based on the numbers. For example, allow a number to ring through only during certain hours of the day. Filter numbers by prefix (block numbers starting with a certain string of numbers), as well. The app also includes a one-touch toggle button to activate and deactivate call blocking. This app is available only for Android. Visit the Calls Blacklist Website Download Calls Blacklist for Android Call Control: Collects Scam Numbers What We Like Improves through user reports. Wildcard blocking support. Grab a free trial of the premium version. What We Don't Like Must create a user account. This free app also provides reverse phone lookup along with call blocking. It blocklists SMS messages, as well. Call Control has an easy and intuitive interface. It works with a community blocklist that collects scam numbers via reports obtained from users. Call Control is available for both Android and iOS. Visit the Call Control Website Download Call Control for iPhone Download Call Control for Android CallApp: Analyzes Data About Incoming Calls What We Like See caller ID of past spam calls. Auto-record phone calls. Unique features like call reminders. Built-in store for upgrades. What We Don't Like No iOS version. Includes advertisements in free version. Must make a user account. More bloated than most call-blocking apps. This app is primarily a number-lookup app that offers information about any caller, allowing you to decide whether or not to answer. This app has a crawler that collects and analyzes data from other users to present information when a call comes. The app is currently available only for Android phones. Visit the CallApp Website Download CallApp for Android Norton Mobile Security: A Full Security Package What We Like Auto-blocks spam and fraud calls. Provides much more than just call blocking. What We Don't Like Call blocking disabled for Android 9.0+. Its many tools may become overwhelming. This product from security giant Norton isn't just a call-blocking app. Rather, it's a security package that includes call blocking among its many features. We've included the app in this list because it appeals to users who want all facets of security, including call blocking, included in a single product. The app is available for Android and iOS devices, but you'll need a subscription to use it. Visit the Norton Mobile Security Website Download Norton Mobile Security for iOS Devices Download Norton Mobile Security for Android Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit