Unwanted calls, including robocalls and telemarketing, are a significant nuisance for many Americans. In 2025, over 52.5 billion robocalls were made in the U.S., averaging roughly 13–15 spam calls per person each month. (antivirus.com) To combat this issue, several call-blocking apps have emerged, with RoboKiller standing out as a leading solution.
What Is RoboKiller?
RoboKiller is a mobile application designed to block unwanted calls, including robocalls and telemarketing, by utilizing a combination of blacklisting, whitelisting, and machine learning. It offers features like call screening, forwarding, and voicemail transcription. (antivirus.com)
How Does RoboKiller Work?
RoboKiller employs a dynamic database of known spam numbers, continuously updated to enhance its blocking capabilities. The app uses machine learning algorithms to identify and block unwanted calls, effectively reducing the number of spam calls reaching users. (antivirus.com)
What Are the Key Features of RoboKiller?
- Call Blocking: Automatically blocks robocalls and telemarketing calls using an extensive and regularly updated database.
- Answer Bots: Engages unwanted callers with pre-recorded messages, wasting their time and deterring future calls.
- Call Screening: Allows users to screen incoming calls, providing information about the caller before answering.
- Voicemail Transcription: Transcribes voicemails, enabling users to read messages without listening to them.
How Effective Is RoboKiller?
RoboKiller claims to reduce unwanted calls by up to 90% within 30 days of use. (geckoandfly.com) Its effectiveness is attributed to its continuously updated database and advanced machine learning algorithms.
How Does RoboKiller Compare to Other Call-Blocking Apps?
While other apps like Hiya and Truecaller also offer call-blocking features, RoboKiller distinguishes itself with its unique Answer Bots feature, which actively engages and wastes the time of unwanted callers. (robocalllawsuit.com)
What Are the Pricing Options for RoboKiller?
RoboKiller offers a subscription-based model with a free 7-day trial. After the trial, users can choose between a monthly subscription at $3.99 or an annual subscription at $39.99. (antivirus.com)
How Do I Set Up RoboKiller on My Phone?
- Download the App: Visit the App Store or Google Play Store and search for "RoboKiller."
- Install and Open: Install the app and open it to begin the setup process.
- Grant Permissions: Allow the app to access your contacts and call logs to enable effective call blocking.
- Configure Settings: Customize your preferences, such as enabling Answer Bots and setting up voicemail transcription.
Are There Any Alternatives to RoboKiller?
Yes, alternatives include Hiya, which is the default call protection app for AT&T, T-Mobile, and some Verizon customers in the USA, and Truecaller, which has a large database of known spammers and telemarketers. (rahsha.in)
How Do I Report Unwanted Calls to the FTC?
To report unwanted calls, visit the Federal Trade Commission's website at ftc.gov/complaint and follow the instructions provided. (consumer.ftc.gov)
In conclusion, RoboKiller offers a comprehensive and effective solution for blocking unwanted calls, utilizing advanced technology and unique features to protect users from robocalls and telemarketing.



