Report updated Apr 18, 2026
R4 Companion
For owners of Uniden R4 or R4w radar detectors seeking advanced signal customization and false alert suppression.
Overview · Full Intel report in progress
R4 Companion is an established utilities app that is a paid app. With a 4.8/5 rating from 541 reviews, it shows polarized user reception.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Provides enhanced GPS location-based false muting using five years of historical data.
Utilizes data-driven systems to improve detector quietness and safety against real threats.
Requires specific US firmware versions (138 for R4, 121 for R4w) to enable full functionality.
How much does it cost?
Who Built It?
Angela Mcarthur
Providing advanced signal filtering and customization tools for radar detector owners to reduce false alerts and improve situational awareness.
Portfolio
5
Apps
What other apps does Angela Mcarthur make?
Explore the full Angela Mcarthur report
Portfolio breakdown, audience, momentum, and every app published by Angela Mcarthur.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for R4 Companion?
How's The Utilities Market?
How does it evolve in the Utilities market?
Rank progression
6 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for R4 Companion
Key Takeaways
This app is a specialized performance tool that requires specific Uniden hardware firmware to function as a comprehensive management interface for radar detection.
Where Is It Heading?
Trend analysis
Available very soon