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32.2K 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
32.2K reviews
October 25, 2022
So, far it does what the description says it does. It gets 95% of the calls. The scammers change their numbers so fast it's hard to keep up. When that happens, I hit report and block the number. Scammers will always try to find away to get their prey. This app works well and is easy to use. The new updates are way more stable than earlier versions when reporting would crash app. Now it works perfectly.
315 people found this review helpful
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Pat Wallace
July 21, 2021
It does a good job of detecting calls, not perfect but plenty good enough. An update: the feature which allows you to block area codes does not work. I've tried un installing and reinstalling but still doesn't work. I've looked over other call-blocking apps and they seem no better. This one's free with NO ads. I'll stick with it and its imperfections.
435 people found this review helpful
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July 8, 2020
I'd used this app for 2 or 3 years without any problems and loved it. Suddenly it's no longer working! It keeps saying that I have to give permissions, but I've given all available permissions listed within the app. The only exception is that the pop up lists SMS notifications, but that isn't even listed under permissions within the app, so I'm unable to. What has changed? Did you recently do an upgrade that has messed up the functionality? I hope the problem is fixed soon.
349 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.