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30.3K reviews
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About this app


Stop unwanted calls today with CallDetector!

CallDetector gives you the ability to block any unwanted phone calls (including companies or individuals you just won’t want to talk to) and automatically blocks all known scam callers. CallDetector now also includes CallerYD®* to let you know not just who is calling, but WHY.

CallDetector empowers you and saves time by identifying unknown numbers and blocking unwanted calls directly from your smartphone.

CallDetector Features:

• Scam Call Blocking
• Block calls from unknown or anonymous callers
• CallerYD® to know who’s calling and why
• Block callers by entire call category types such as Telemarketers, Political Callers, Account Services (financial information including collection activities) and more
• Unlimited real-time Caller ID**
• Unlimited reverse number lookup
• Call Center notifications to take immediate action against unwanted calls, including Telemarketers
• File FTC complaints against abusive telemarketers & unlawful collection activities from Account Service providers
• Ad-free subscription at no cost

This application was developed specifically for TracFone Wireless® and is free for loyal customers of the following brands:
• TracFone®
• Net10 Wireless
• SafeLink Wireless®
• Straight Talk®
• Total Wireless™
• SIMPLE Mobile®
• Telcel® (US customers only)
• Page Plus®
• GoSmart Mobile®
• Walmart Family Mobile customers

Your device must be running CallDetector app version 3.0 or higher to receive all listed features free. This is only compatible with devices running Android version 4.4 or higher. If you are not a customer of one of the qualified brands listed above, you will receive a “Lite” version of CallDetector which features are limited to scam protection, personal number blocking, complaint filing and CallerYD®.

CallerYD® is only available for select caller types as a method of providing you additional information about the number calling you.

Real time Caller ID requires a network connection.
We’d love to hear your feedback, questions, and suggestions so please reach out to us:
-CallDetector FAQ: Link:
Updated on
Jul 5, 2022

Data safety

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.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Contacts and Device or other IDs
Data is encrypted in transit
You can request that data be deleted
30.3K reviews
Al Egore
July 26, 2022
I'm having problems with the option called more details it doesn't work when tapping on the option the screen flashes it comes back to the same screen without giving any info or it crashes and then I'm giving the option to report the crashes. Thanks the up date fixed this issue. Now on group blocking it does not work!!!! Do you you have to put the ( ) symbols around the area code like it shows In the call log
28 people found this review helpful
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Eric Zwang
July 9, 2022
Edit: after years, they fixed crashing on Android 12, but others seem to have crashing on other Android versions. Original review: App crashes when trying to lookup a number. I emailed them and they said they'd get a technician on it. A month later, no response, so I emailed them again, and still no response. Not only that, it shows it's blocked 0 calls since I installed it. Using a Pixel 4a 5G on Android 11.
120 people found this review helpful
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May 12, 2022
A simple but effective app that tells me what I need to know. Navigation is pretty intuitive—there's not a lot to it, but sometimes, less is more. I like that it's uncluttered, which, these days, is a definite plus. One feature I can't get to work, tho, is "Lookup any number." When I attempt to use it, the app crashes. Sure wish it worked as described—or at least, wouldn't crash the app...
369 people found this review helpful
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What's new

Updates were made to the application registration process in order to provide a better user experience as well as a correction to Android Version 11 to prevent app crashes.