Block spam calls with Robokiller, the spam call blocker that eliminates 99% of unwanted phone calls. No robocall stands a chance against Robokiller’s algorithm, which protects you against over 1 billion scams in our global database.
Use Robokiller as the default SMS app. Robokiller blocks 99% of spam text messages so you only receive the ones you desire.
Block telemarketers’ spam with Robokiller. Any phone call with an unknown caller ID will be marked as spam - with the help of our number-blocking, audio fingerprinting technology.
You can add unwanted callers to your blocklist, customizing your level of spam blocking. Block spammers on your own terms - get good calls only® and never miss an important call with our powerful spam blocker app.
Robokiller provides peace of mind, blocking annoying scam calls and preventing costly losses to fraud. The average scam costs $1,464*, but with our spam blocker you won’t be the next victim. Robokiller lets you get robocall revenge:registered: on unwanted callers with answer bots, that intercept calls and play hilarious pre-recorded audio.
MESSAGING: - Use Robokiller as your primary text messaging app to seamlessly send and receive messages. - Automatically block spam, scam, and telemarketing texts using our secure technology. - Customize who can and can’t reach you with block & safe filters.
BLOCK SPAM CALLS: - Reduce unwanted calls by 99% in your first 30 days of using our spam filter. - Our blocklist updates automatically to ensure the most up-to-date protection. - Block robocalls and phone calls you don’t want, keep the number blocked for as long as you wish.
CONTROL WHO CAN & CAN’T REACH YOU: - Keep your contacts or any new number safe in your allow list. - View the number you’ve missed in your calls list. - Pause call blocking - temporarily disable our spam blocking function if you’re expecting an important call from an unknown number, then continue to block calls when you’re ready.
KEEP YOUR PERSONAL INFO PRIVATE: - New personal data protection feature helps you reclaim your privacy. - Scan the web to help you find and remove your private info from public search sites where it’s sold and used for spam calls, identity theft and more. - Take your info off the market and use our ongoing monitoring to notify you of any new exposures.
SCREEN PHONE CALLS IN REAL TIME: - Screen callers by asking them to identify themselves before your phone rings with our automatic answering service. - Get transcriptions of the caller’s response in real-time: We deliver the call screening report as your device is ringing.
FIGHT SPAM WITH ANSWER BOTS: - Send spammers to lengthy recordings provided by Robokiller. - Choose from a variety of Answer Bots that will give spammers a taste of their own medicine, blocking them in style. - Enjoy listening to blocked & recorded calls.
REPORT SPAMMERS: - Join the fight against robocalls by reporting any specific number or unknown caller. - Check the scam activity in your state: Be aware of the top scams in your area. - Contact our dedicated customer service team 24/7 regarding any issues with our spam call blocker app.
Robokiller is an award-winning spam blocker built by people who hate robocalls and respect privacy. Our mission is to stop robocalls forever.
This app has been featured by The New York Times, NBC, Wired, Engadget, Vice, and other publications.
Robokiller is free to download. A subscription is required to use the service, but you can try it free for 7 days. Once your trial ends, your subscription will automatically renew. You can cancel your subscription at any time.
Answer your phone without fear thanks to Robokiller, the spam call blocker app made to give you peace of mind.
Terms of Service: https://www.robokiller.com/terms.html Privacy Policy: https://www.robokiller.com/privacy.html California Privacy Notice: https://robokiller.com/privacy.html#section-8
*According to FTC estimates
Updated on
29 Jul 2025
Communication
Data safety
arrow_forward
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
That's BS that I answered all those questions and provided my number before there was any hint that this was a subscription service that costs $4.99 per week after 7 day free trial. When I saw that I exited the app immediately. Now when I open it, they make me an offer (to use robo killer as my texting aop) that I can't refuse. literally my only option is "Continue" or close the app. I sure wish I would have looked at recent reviews instead of relevant reviews, so I could have avoided all this.
169 people found this review helpful
Christina Chavis
Flag inappropriate
13 August 2025
Right now everything seems to be working the way it says it does. I've only had this app for a day and I've seen a decrease in my phone ringing with spam calls. if it keeps going this route I'll be giving this app a 5-Star rating and paying for the year long subscription which is a lot cheaper than I thought it would be seeing as the weekly subscription is $4.99. Which if I'm being honest is sort of a ripoff when you can get the whole year for $29.99.
6 people found this review helpful
Jack Oliva
Flag inappropriate
Show review history
28 July 2025
Once you get familiar with how it works, it does a decent job at filtering out calls. UPDATE: In response to the Dev's comment below, I have learned over time that the spam calls which are getting through are the ones where a Robo recording is played by the calling number so Robokiller thinks it is a legit call. UPDATE #2. Several times recently, I raised the volume of a voicemail while listening to it using the button on the side of my phone and that action deleted the message. Unbelievable!
61 people found this review helpful
Mosaic Srl
27 February 2023
We're sorry to hear you still received spam calls after installing the app. This could mean the app isn't fully set up. Please reach out to us at support@robokiller.com so we take a look and also help you customize your blocking settings.