Unwanted calls can disrupt your day, whether they're robocalls, spam, or persistent telemarketers. Fortunately, several free call-blocking apps for Android and iPhone can help you regain control of your phone. These apps block spam calls, filter unknown numbers, and provide customizable features to enhance your privacy. In this article, we explore the best free call-blocking apps for both platforms, highlighting their key features, ease of use, and effectiveness.
Why Use a Call Blocking App?
Call-blocking apps are essential for managing unwanted calls and protecting your privacy. They use advanced algorithms, crowdsourced databases, and user-customizable settings to identify and block spam calls. Many also offer SMS filtering, call logs, and integration with your phone’s native features. With the rise of robocalls—estimated to account for nearly 50% of all calls in the U.S. alone—these apps are a must-have for any smartphone user.
Here’s a roundup of the best free call-blocking apps for Android and iPhone in 2025.
Top Free Call Blocking Apps for Android & iPhone
1. Truecaller
Available for: Android, iPhone
Key Features:
- Automatically identifies and blocks spam calls and texts.
- Crowdsourced database with millions of spam numbers.
- Caller ID for unknown numbers.
- Smart SMS filtering and organization.
- Free version includes basic call blocking and spam identification.
Why We Like It:
Truecaller is a household name in call management, thanks to its massive community-driven spam database. It’s user-friendly and offers robust call-blocking features in its free version. The app also allows you to back up call history and contacts, making it a versatile tool for both Android and iPhone users.
Drawbacks:
The free version includes ads, and some advanced features (like premium caller ID) require a paid upgrade.
2. Hiya
Available for: Android, iPhone
Key Features:
- Real-time spam detection and call blocking.
- Caller ID with business and personal number lookup.
- Customizable block lists for specific numbers.
- Reverse phone lookup for unknown callers.
- No ads in the free version.
Why We Like It:
Hiya is lightweight and focuses on privacy, with no intrusive ads in its free version. It integrates seamlessly with your phone’s dialer and provides accurate spam detection. Hiya’s partnership with carriers like AT&T ensures a reliable database of spam numbers.
Drawbacks:
Some features, like advanced fraud detection, are locked behind a premium subscription.
3. Call Control
Available for: Android, iPhone
Key Features:
- Blocks robocalls, telemarketers, and spam texts.
- Community-based spam reporting.
- Personal blocklist and allowlist for custom call management.
- Do Not Disturb mode for scheduled call blocking.
- Free version offers core blocking features.
Why We Like It:
Call Control stands out for its Do Not Disturb feature, which lets you schedule quiet hours. Its community-driven spam list is constantly updated, ensuring effective call filtering. The app is easy to set up and works well on both Android and iPhone.
Drawbacks:
The free version has limited access to advanced features like enhanced caller ID.
4. Google Phone App (Android Only)
Available for: Android
Key Features:
- Built-in spam call detection and blocking.
- Caller ID for verified businesses.
- Visual voicemail and call screening.
- No additional app installation required on most Android devices.
- Completely free with no ads.
Why We Like It:
The Google Phone app comes pre-installed on many Android devices, making it a convenient choice. Its spam detection is powered by Google’s advanced algorithms, and the call screening feature lets you avoid answering unwanted calls. It’s a no-frills, reliable option for Android users.
Drawbacks:
Not available for iPhone, and features may vary depending on the Android device.
5. Nomorobo
Available for: Android, iPhone
Key Features:
- Blocks robocalls and telemarketers using a crowdsourced database.
- Allows legitimate automated calls (e.g., school alerts).
- Real-time protection against new spam numbers.
- Free for VoIP landlines; mobile version offers a 14-day free trial.
- Easy-to-use interface.
Why We Like It:
Nomorobo is excellent for distinguishing between harmful robocalls and legitimate automated calls, such as appointment reminders. Its database is updated frequently, ensuring protection against emerging spam numbers. The app is ideal for users who want a balance of automation and control.
Drawbacks:
The free version is limited to a trial period for mobile users, after which a subscription is required.
How to Choose the Right Call Blocking App
When selecting a call-blocking app, consider the following:
- Ease of Use: Look for an intuitive interface that integrates well with your phone’s dialer.
- Spam Database: Apps with large, regularly updated spam databases (like Truecaller or Hiya) are more effective.
- Customization: Features like personal blocklists, allowlists, and Do Not Disturb modes offer greater control.
- Privacy: Ensure the app doesn’t collect or share your data unnecessarily.
- Ads and Costs: Free versions may include ads or limited features, so weigh the trade-offs.
Tips for Maximizing Call Blocking Effectiveness
- Update Regularly: Keep your app updated to access the latest spam databases.
- Report Spam: Contribute to community-driven databases by reporting spam calls.
- Use Native Features: Combine app-based blocking with your phone’s built-in call-blocking settings for added protection.
- Check Permissions: Ensure the app only accesses necessary permissions to protect your privacy.
Unwanted calls don’t have to ruin your day. With free call-blocking apps like Truecaller, Hiya, Call Control, Google Phone, and Nomorobo, you can effectively filter out spam and enjoy a quieter phone experience. Each app offers unique features, from community-driven spam detection to customizable blocklists, making it easy to find one that suits your needs. Download one of these apps today and take control of your calls on Android or iPhone!
Ready to block those pesky calls? Try one of these apps and share your experience in the comments below. For more tech tips and app recommendations, stay tuned to our blog!