Firefox Fast & Private Browser

Mozilla · Firefox is a mobile web browser that focuses on privacy, speed, and control.

Native Android Communication Mozilla
Bundle ID org.mozilla.firefox
Version analyzed 151.0.4
Build framework Native Android
SDKs detected 8
Analyzed 2026-10-03
Exploratory agent run

What Firefox Fast & Private Browser does

This mobile application is a cross-platform web browser designed for high-performance internet navigation with a primary focus on user privacy and data security. The application architecture facilitates secure web requests while providing a customizable onboarding flow that addresses legal compliance through integrated Terms of Use and Privacy Notices. It includes a telemetry subsystem for capturing diagnostic and interaction data to support iterative performance optimization and stability monitoring.

Observed on screen

  • Web Navigation Engine Provides a high-speed interface for rendering and interacting with web-based content and services.
  • Privacy and Security Framework Implements advanced protocols to prevent unauthorized data harvesting and ensure secure browsing sessions.
  • Telemetry and Diagnostic Reporting Collects and transmits interaction data to Mozilla to facilitate browser performance enhancements and bug resolution.
  • User Onboarding and Consent Management Manages initial configuration states and legal acknowledgments required for application operation.
  • Data Privacy Controls Offers granular settings for users to manage the scope of diagnostic data shared with the developer.

Written from a FlyTrap agent exploring the app on a real device, not from the store listing. It covers only the screens that run reached, so anything behind a login, paywall or region lock is absent.

Static + runtime analysis

SDKs detected

8 SDKs found across 8 categories. Click any SDK to see every other app that uses it.

All SDKs
Attribution 1 SDK
Authentication 1 SDK
Monitoring 1 SDK
Push Notifications 1 SDK
Session Replay 1 SDK
From manifest + Info.plist

Permissions requested 9 sensitive

35 permissions requested at runtime. Colors reflect platform sensitivity tier.

Read storage sensitive

Read files from shared external storage. Replaced by READ_MEDIA_* on Android 13+.

Write storage sensitive

Write files to shared external storage. No-op for apps targeting Android 11+.

Approximate location sensitive

Access approximate location (network-based).

Precise location sensitive

Access exact location via GPS, cell, and Wi-Fi.

Camera sensitive

Take pictures and record video.

Microphone sensitive

Record audio from the microphone.

Post notifications sensitive

Post notifications to the system.

Read audio sensitive

Read audio files from shared storage.

Selected photos and videos sensitive

Access only photos and videos the user explicitly selected.

Internet access standard

Open network sockets.

Network state standard

Read connectivity information.

com.android.launcher.permission.INSTALL SHORTCUT standard
Vibrate standard

Control the vibrator.

Biometric authentication standard

Authenticate using biometric hardware.

Install other apps standard

Request installation of APK packages. Granted per-source from system settings.

Query all installed apps standard

Query all installed apps regardless of manifest declarations. Restricted by Play policy.

CREDENTIAL MANAGER SET ORIGIN standard
CREDENTIAL MANAGER QUERY CANDIDATE CREDENTIALS standard
com.adjust.preinstall.READ PERMISSION standard
org.mozilla.firefox.permission.PROFILER INTERNAL standard
Foreground service: data sync standard

Required for foreground services of type dataSync.

Foreground service standard

Run a foreground service.

DOWNLOAD WITHOUT NOTIFICATION standard
org.mozilla.firefox.permission.RECEIVE DOWNLOAD BROADCAST standard
Foreground service: media playback standard

Required for foreground services of type mediaPlayback.

Foreground service: special use standard

Required for foreground services of type specialUse.

Fingerprint authentication standard

Authenticate using fingerprint hardware.

com.google.android.gms.permission.AD ID standard
Wake lock standard

Keep the device awake.

com.google.android.c2dm.permission.RECEIVE standard
High sampling rate sensors standard

Read sensor data at a sampling rate greater than 200 Hz.

Modify audio settings standard

Modify global audio settings.

Run at startup standard

Receive the BOOT_COMPLETED broadcast.

org.mozilla.firefox.DYNAMIC RECEIVER NOT EXPORTED PERMISSION standard
com.google.android.finsky.permission.BIND GET INSTALL REFERRER SERVICE standard

Frequently asked questions

What FlyTrap detected inside Firefox Fast & Private Browser.

What does Firefox Fast & Private Browser do?

This mobile application is a cross-platform web browser designed for high-performance internet navigation with a primary focus on user privacy and data security. The application architecture facilitates secure web requests while providing a customizable onboarding flow that addresses legal compliance through integrated Terms of Use and Privacy Notices. It includes a telemetry subsystem for capturing diagnostic and interaction data to support iterative performance optimization and stability monitoring. This comes from a FlyTrap agent exploring the app on a real device, so it covers only the screens that run reached.

What is Firefox Fast & Private Browser built with?

Firefox Fast & Private Browser by Mozilla is built with Native Android. FlyTrap determined this by analyzing the app's compiled binary, not from anything the developer published.

What SDKs does Firefox Fast & Private Browser use?

FlyTrap detected 8 third-party SDKs inside Firefox Fast & Private Browser, including Firebase Cloud Messaging, Google Play Integrity and Google Sign-In. They span areas such as Push Notifications, Anti-Abuse, Authentication and Attribution. The full list, grouped by category, is on this page.

What permissions does Firefox Fast & Private Browser request?

Firefox Fast & Private Browser requests 35 permissions. 9 of these are sensitive, such as Read storage, Write storage and Approximate location. Each is listed above with its platform sensitivity tier.

Is Firefox Fast & Private Browser safe to use?

FlyTrap reports what an app contains, it does not issue a safety verdict. Firefox Fast & Private Browser requests 35 permissions (9 sensitive) and bundles 8 third-party SDKs. Reviewing those alongside the developer helps you decide what you are comfortable granting.

What platforms is Firefox Fast & Private Browser available on?

The version FlyTrap analyzed targets Android.