R4 Companion

CarPlay Support!
NOTE: R4 Companion™ requires a Uniden R4 or R4w radar detector with US Version 139 (R4) or 125 (R4w) firmware to function correctly. R4 Companion will NOT function correctly without at least this version of firmware.

R4 Companion™ is a feature rich app, designed to give you the most out of your R4, while enhancing your driving experience along the way. Featuring intelligent alerts and advanced muting! R4 Companion™ is the COMPLETE solution to enjoying your R4.

SpotLock 2.0 and Advanced False Assist 3.0. Both data driven systems have been updated using 5 years of historical data. This takes your detector to a whole new level of quietness and safety against real threats.

The R4 Companion™ app leverages years of optimizations and features from the Radar Companion™ series of apps. (Available separately for owners of the V1, R8, R9, & DS1 radar detectors).

Enhanced GPS location based 'false muting' via SpotLocks™ - All future updates to this app are free to purchasers of R4 Companion™

R4 Companion™ feature list:
• SpotLocks™ - Location based false silencing has never been this good or easy. Turn on the intelligent location-based learning and let R4 Companion™ do the rest. Or you can manually 'lock' or 'unlock' locations with ease from the main alert screen.
• Full navigation functionality in preparation for future CarPlay integration.
• New alert screen (portrait & landscape views).
• Posted speed limit displayed on main alert screen (US, CA, AU, NZ).
• Customizable low speed muting based on PSL.
• Quickly switch back from navigation screen to classic alert details screen.
• Works seamlessly with the R4's auto mute memory, manual mute memory, k-block, and quiet-ride built in muting.
• Option to play detector tones in app.
• Ability to set R4’s internal detector settings from the app. *Requires US Version 139 (R4) 125 (R4w) firmware.
• SpotLocks™ works seamlessly with your R4’s built in 'auto mute memory' locations. If you create or delete a location from the app it will apply the changes to your R4 at the same time.
• 'Proximity' meter - leverages the high resolution signal strength to show you a better representation of the signal's source.
• 'K & X falses in area' meter shows you how many possible false alerts exist in the area you are traveling based on the accumulated SpotLock data™.
• 'Custom Phrases' for a given threat's audio announcements.
• High resolution meters for the priority alert (Not limited to the # of bars on the R4 display).
• Customizable heads-up display (HUD).
• HUD displays the priority alert's band, signal strength, frequency. The HUD is color coded between real threats & muted false signals.
• HUD of the secondary alerts' bands, signal strengths, frequencies, & bogey counts.
• Advanced BSM/CAS/Ka False Muting (Optimized for the R4 platform).
• 'Ghost' muting quiets false alerts when you are stuck traveling near a false emitting vehicle.
• "Passive Mute™"- Quiets the R4 below user set speeds & during weak K & X signals.
• Bogey count display showing total number of threats.
• Vehicle speed display. Speed is color coded for each alert type.
• Mute status with the ability to manually mute/unmute alerts as you need.
• Detailed & intelligent voice announcements of band, frequency, strength, number of alerts, occurrences of mixed signals and more.
• Automatic muting of Ka, K, and X bands ('Time before mute' set for each band).
• 'Reduce Speed' notification for user set speed.
• ‘Urgency Alerts™’ - Unmutes growing threats & announces these alerts via voice & notifications.
• ‘Alert History’ - View your past alerts with detailed information.
• Compass heading.
• Detailed trip summary including duration, distance, alerts, muting stats, battery, and more.
• Automatic and seamless connection via Bluetooth even while the app is in the background.
• iPhone & Apple Watch notifications of Band, & Frequency of each alert.
• Help system.