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App Store Apps > Utilities > R9 Companion
R9 Companion icon

R9 Companion

1.05.4
Angela Mcarthur
4.64
11 reviews
$11.99

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Screenshots by Angela Mcarthur, from the the App Store listing
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About R9 Companion

R9 Companion is an utilities app developed by Angela Mcarthur.

User Ratings

R9 Companion is rated 4.64 out of 5 stars. The rating is based on 11 ratings.

App Information

R9 Companion costs $11.99. The app size is 14.31 MB. The latest version available is 1.05.4. The last update was on October 19, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since March 2024.

Description by Angela Mcarthur (from the App Store)
Full CarPlay support!
R9 Companion™ is a feature rich app, designed to give you the most out of your R9 radar detector, while enhancing your driving experience along the way. Featuring intelligent alerts and advanced muting! R9 Companion™ is the COMPLETE solution to enjoying your R9 to the fullest.

***IMPORTANT NOTE: R9 Companion™ requires a Uniden R9 or R9w radar detector with US Version 138 / 126 firmware to function correctly.
EXCLUSIVE to R9 Companion:
• Same source, duplicate signal rejection. - The R9 acts like two radar detectors, R9 companion filters through this additional information for improved accuracy of location lockouts & bogey counts.
• Dual horn priority signal queuing - Makes sure correct priority signal is shown with correct signal strength at all times.
• Front and rear high resolution strength meters.

The R9 Companion™ app leverages 5+ years of optimizations and features from the Radar Companion™ series (Available separately on the app store for owners of V1, R8, R4, & DS1 radar detectors).

Enhanced GPS location based 'false muting' via SpotLocks™ - All future updates to this app are free to purchasers of R9 Companion™

R9 Companion™'s alerting and muting systems are fully optimized for the R9 platform. Intelligent voice announcements and on-screen visuals will always keep you informed and aware of the situation around you.

R9 Companion™ full feature list:
• SpotLocks™ - Location based false silencing has never been this good or easy. Turn on the intelligent location-based learning and let R9 Companion™ do the rest. Or you can manually 'lock' or 'unlock' locations with ease from the main alert screen.
• SpotLocks™ works seamlessly with your R9’s built in 'auto mute memory' locations. If you create or delete a location from the app it will apply the changes to your R9 at the same time.
• Option to play detector tones in app.
• 'Proximity' meter - leverages the high resolution signal strength and direction information provided by the detector 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 travelling based on the accumulated SpotLock data™.
• 'Custom Phrases' for a given threat's audio alerts.
• HUD displays the priority alert's band, signal strength, frequency, & direction. The HUD is color coded between real threats & muted false signals.
• HUD of the secondary alerts' bands, signal strengths, frequencies, bogey counts & directions.
• Mute rear K & X band signals independently.
• Advanced BSM/CAS/Ka False Muting (Optimized for the R9).
• Ability to set the R9’s internal detector settings from within the app.
All Threat
Quiet Ride
Limit Speed
K BLK 1
Units
Laser
X Band
K Band
K Pop
K Filter
K Scans
TSF
Ka Band
Ka Pop
Ka Filter
Ka Scans (Narrow, Wide, Segmented)
Ka 1-9 Segments
Auto Mute Volume
Display Color
Display Brightness
Priority Band
Auto Mute Memory ON/OFF
Select Auto Mute Memory Bands
• 'Ghost' muting quiets false alerts when you are stuck traveling near a false emitting vehicle.
• "Passive Mute™"- Quiets the R9 below user set speeds & during weak K & X signals.
• Bogey counter.
• Vehicle speed (MPH or KMH) display.
• Mute status with the ability to manually mute/unmute alerts as you need.
• Detailed & intelligent voice announcements of dir, band, freq, str, # of alerts, occurrences of mixed signals & more.
• Automatic muting of Ka, K, & 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.
• Imperial/metric units.
• Detailed trip summary at the end of your ride including duration, distance, alerts, muting stats, battery, & more.
• iPhone & Apple Watch notifications of dir, band, & freq of each alert.
• Tips/Help.
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More data about R9 Companion

Price $11.99
Rating 4.64 based on 11 ratings
Ranking Not ranked
Version 1.05.4
App size 14.3 MB
Suitable for Everyone

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Changelog of R9 Companion

No changelog data

Developer information for Angela Mcarthur

Angela Mcarthur

Address:

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App Store Rankings for R9 Companion

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Technologies used by R9 Companion

Frequently asked questions about R9 Companion

Is R9 Companion free?

No. R9 Companion costs $11.99 on the App Store.

Is R9 Companion still available?

Yes. R9 Companion is on the App Store, and the last update we saw was on October 19, 2026.

How large is R9 Companion?

R9 Companion is 14.31 MB.

Is R9 Companion suitable for children?

App Store rates the content of R9 Companion as suitable for everyone.

How do people rate R9 Companion?

R9 Companion scores 4.64 out of 5 stars, from 11 ratings on the App Store.

Who made R9 Companion?

R9 Companion was developed by Angela Mcarthur. It is listed in the utilities category on the App Store.

What are the best alternatives to R9 Companion?

People looking at R9 Companion also look at these utilities apps: BINGOAT BINGO GAME ASSISTANT, V1Driver, xTool Creative Space Mobile, Airthings, Optiwatt: Local Energy Rewards.

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