# Call Defender - Caller ID

> Get Call Defender now and be free of annoying spam calls!

Canonical page: [https://chrome-stats.com/d/com.studiokuma.callfilter](https://chrome-stats.com/d/com.studiokuma.callfilter)

## Overview

- **ID:** `com.studiokuma.callfilter`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Gogolook
- **Category:** COMMUNICATION
- **Downloads:** 3,584,138
- **Rating:** 4.21 / 5 (109,185 ratings)
- **Last updated:** 2026-09-02
- **First published:** 2010-04-15
- **Publisher country:** TW
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.studiokuma.callfilter)
- **Website:** [https://call-defender.com](https://call-defender.com/)
- **Privacy policy:** [https://call-defender.com/privacy.html](https://call-defender.com/privacy.html)

## Description

Call Defender is a free Chrome extension designed to protect millions of users from annoying and malicious spam calls. It automatically blocks spam numbers by utilizing a comprehensive spam database updated in real time, ensuring you enjoy an uninterrupted, spam-free phone experience. The extension provides caller identification by displaying the names of public and private organizations—like hospitals and educational institutions—helping you decide which calls to answer even during important moments.

With over 700 million numbers in its global database, Call Defender offers advanced customization options to tailor spam blocking to your needs. Features include daily call reports, an anti-fraud information center, and a user-friendly interface that respects your privacy by avoiding contact book uploads. Regular database checks every 10 minutes keep your protection up to date, making Call Defender an essential tool for anyone looking to stay safe from spam and fraud calls.

## Rankings

- #30,711 — Overall

## Review summary

Users praise Call Defender as an effective call blocker that delivers peace of mind, especially for HK users, and note its long-standing presence. However, recurring issues include forced Google/Facebook login and login failures, intrusive ads even for paid plans, privacy concerns around data collection, inconsistent spam-blocking performance after updates, and lackluster customer support.

### Pros

- Effective spam/call blocking that provides peace of mind.
- Indispensable call-blocking tool, widely trusted by users in HK.
- Long-standing app used for many years (over a decade).

### Cons

- Forced login via Google/Facebook with repeated sign-up/login failures.
- Intrusive ads and an ad-supported experience that persists even for paid users.
- Privacy concerns related to data collection (login requirements, potential tracking of call records, and phone-number updates).
- Inconsistent spam-blocking performance after updates (mixed reports of blocking improving vs. failing).
- Poor customer support with unresponsive or slow replies.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.studiokuma.callfilter)