Our Powerful Features

Discover how Block Guard empowers you to manage your calls and messages effectively.

Precise Call Blocking

Block specific phone numbers with options to Reject or Silence unwanted calls.

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Choose your defense strategy: immediately hang up on callers (Reject) or send them straight to voicemail without ringing (Silence). Manage your blocklist effortlessly.

Neighbor Spoofing Protection

Intelligently identifies and blocks scam calls that mimic the first 6 digits of your number.

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Scammers often spoof your area code and prefix to look like a neighbor. Block Guard detects this pattern and automatically blocks these deceptive calls.

Strict Blocking Mode

For maximum privacy, block ANY caller who is not in your contacts list.

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Enable Strict Mode to ensure only people you know can ring your phone. Unknown numbers are automatically rejected or silenced.

Spam Database Integration

Enable blocking based on known spam lists and integrated database checks.

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Leverage our integrated spam database to automatically filter out known telemarketers and malicious callers without lifting a finger.

STIR/SHAKEN Validation

Automatically blocks calls that fail carrier verification checks (Android 11+).

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Utilizes modern carrier protocols to verify caller ID authenticity. Calls flagged as spoofed or unverified by the network are blocked instantly.

Advanced Filters

Toggle filters for Private (Hidden), Unknown, Foreign numbers, and Area Codes.

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Take granular control over who can reach you. Filter out withheld numbers, international calls, or specific regions with ease.

Blocking Profiles

Create and switch between custom blocking configurations (e.g., Work, Home).

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Define multiple blocking profiles with distinct rules and switch between them instantly to adapt your protection level to your current environment.

Do Not Disturb Mode

Configure comprehensive quiet periods with customizable exceptions (Allow Contacts/Favorites).

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Enjoy focused work or restful nights. DND mode silences all but your most important calls, with flexible scheduling and exception rules.

Smart Scheduling

Create multiple blocking schedules with unique names and specific start/end times.

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Set it and forget it. Create schedules like 'Work Hours' (Mon-Fri 9-5) or 'Weekend Relax'. Includes a master toggle to quickly disable all schedules.

Default Dialer

A complete replacement for your system dialer with InCallService support.

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Block Guard serves as your primary phone app, offering a seamless calling experience integrated directly with your block lists and spam protection.

Insightful Dashboard

View daily and total blocked call statistics and recent activity at a glance.

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Stay informed with visual counters for calls blocked today and in total, plus quick access to your most recently blocked numbers directly on the home screen.

SMS & MMS Management

Full support for sending/receiving texts and picture messages as your Default SMS App.

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Block Guard isn't just for calls. Filter unwanted text messages by keyword or sender, view blocked messages in a quarantined log, and restore them if needed.

Unified Call History

Access your full call logs alongside your blocked call history in one place.

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View a complete timeline of all your incoming, outgoing, and missed calls, integrated seamlessly with your blocked call records.

Call Whitelisting

Create exceptions for important callers, ensuring their calls always get through.

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Never miss a critical call. Whitelisted contacts bypass all blocking rules, giving you peace of mind.

Secure Backup & Restore

Securely backup your settings, block lists, and logs using encryption.

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Never lose your configuration. Create encrypted backups of your data and restore them easily if you switch devices or reinstall the application.

Global & Themed

Supports 50+ languages, Light/Dark themes, and international number formats.

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Designed for a global audience. Block Guard automatically adapts to your system theme (Light/Dark) and speaks over 50 languages.

Battery Efficient

Optimized to run in the background without draining your battery.

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Block Guard is designed to run efficiently 24/7, providing continuous protection with minimal impact on your device's battery life.

Technical Highlights

Block Guard is built with modern Android technology including Kotlin 2.0, Jetpack Compose for a smooth UI, Material Design 3 for a contemporary look and feel, and follows the MVVM architecture pattern for robust and maintainable code. This ensures a reliable, efficient, and user-friendly experience. Our commitment to security means your data is handled with care, using on-device encrypted storage and EncryptedSharedPreferences.