BLOKK: Privacy VPN & Blocker Security & Privacy Scorecard

BLOKK: Privacy VPN & Blocker

Security Score: 35/100 | Privacy Score: 25/100

What This Means for You

In-app behavior and usage patterns are collected by multiple analytics services, including Microsoft Clarity and Firebase, even as the app is used to block trackers elsewhere. User activity is shared with four analytics and measurement companies. If a user subscribes, payment data passes through three separate payment processors.

Recommendation: Use With Caution

Best For: Users comfortable with analytics in a privacy VPN app

Key Findings

Data Security - 2 findings (1 critical, 1 medium)

Network Security - 1 finding (1 critical)

Code Safety - 0 findings

Privacy - 4 findings (2 critical, 1 high, 1 medium)

Privacy Concerns

What Data is Collected

The app collects behavioral data including in-app interactions, usage patterns, and session activity. Payment and billing information is also processed for subscribing users.

Third-Party Data Sharing

User data is shared with the following services:

• Firebase Analytics - Usage analytics and event tracking
• Microsoft Clarity - Session recording and behavioral analytics
• OneSignal - Push notification delivery
• Countly - Analytics and user behavior tracking
• RevenueCat - Subscription management
• Adyen - Payment processing
• Cash App Pay - Payment processing

Understanding the Scores

Positive Security Features

• None identified in this version.

Areas for Improvement

• The volume of behavioral data collected by third-party analytics services is inconsistent with the app's stated privacy-focused purpose.
• User data is shared with multiple external companies, limiting user ability to control how it is used or retained.
• Payment processing relies on three separate external services, each with its own data handling practices.

About This Analysis

This scorecard reflects automated static analysis of the app's code and configuration.

App Details