DBMB - Spam Call Blocker

Manthea Labs

In-app purchases

About this app

Block spam calls and robocalls. Silence unknown calls instantly.
DBMB is a minimalist Android app that silences calls from unknown, private, anonymous, or unwanted numbers.
No ads, no tracking. Just silence, no distractions.
A lightweight, fast app that frees you from telemarketing, scam calls, and interruptions.

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What it does

• Silences unknown, private, anonymous, and spam calls automatically
• Keeps missed calls visible, so you always know who tried to reach you
• One-tap on/off, no complex setup
• Works offline and respects your privacy

👉 Core feature is free. Forever.

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Why choose DBMB?

Traditional spam blockers rely on online databases, community reports, and predictive algorithms.
They often fail because numbers change constantly and require access to your data.

DBMB doesn’t rely on databases or predictions.
It simply silences all calls from numbers not saved in your contacts, giving you full control.

• No account required
• No ads
• No tracking
• Full privacy

Only the numbers you trust can ring.

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DBMB Pro

Unlock optional features for more control:

• Extended log of silenced calls
• Trusted prefixes and custom rules
• Anonymous call counter
• Auto-reject unknown calls
• Instant web search for unknown numbers

💡 One-time purchase. Pay once, yours forever.

Ratings and reviews

Useful for those who don't own a Google Pixel phone. Helps me against those pesky spam callers that get past the spam filter through my Galaxy S24 phone. Edit: Thank you for adding the "Silent reject" feature that other call blocker apps has, but better.

new record 32 blocked calls & the day is not over

Really does what it promises! Spam Calls automatically go silent. Awesome app!

What’s new

Improved reliability and clearer Ring on Repeat information.