Comparison

R9 Companion vs Stalker Task Force

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

R9 Companion

Enhance your driving experience with intelligent alerts and advanced muting for your radar detector. This app provides duplicate signal rejection, dual horn priority, and high-resolution strength meters for improved accuracy and awareness.

Highlights
  • Duplicate signal rejection
  • Dual horn priority signal queuing
  • High-resolution front and rear strength meters
  • Location-based false silencing (SpotLocks™)
  • Customizable audio alerts
  • HUD with alert details and color coding
  • Remote detector setting control
Read full description

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.

About

Stalker Task Force

This tool enhances law enforcement traffic stops by integrating with Stalker Lidar RLR devices. It allows for real-time capture of speed violation evidence, including video, audio, and photos, all stored securely in a cloud portal.

Highlights
  • Real-time speed violation evidence capture
  • Video, audio, and photo documentation
  • Secure cloud-based evidence portal
  • Spotter and Responder modes
  • Location mapping of violations
  • Data filtering and export
Features
Read full description

The ultimate real-time spotter/responder tool for law enforcement. Combine the power of your Stalker RLR Lidar with data-powered photo, audio, and video evidence capture. One App - Two Modes - One Secure Portal. • Spotter Mode - Capture video and speed violation evidence using your Stalker Lidar RLR paired with the Task Force App • Responder Mode - Receive violation alert - join the event, make the stop, add photos or video to the evidence file • Secure Evidence Portal - All video, audio, photo, and data automatically stored in a secure cloud for access, filtering, and sharing. ■ HOW IT WORKS ■ Stalker Task Force can be used solo using Spotter Mode only, or in tandem with other officers, with one officer using a device in Spotter Mode and the rest using Traffic Stop Mode. SPOTTER MODE In Spotter Mode, when the officer sees a speeding vehicle, they pull the trigger on their RLR, which automatically begins recording a video clip of the incident in the app. Recording stops when the officer releases the trigger, which then sends an alert to the officers using Support Mode. RESPONDER MODE Multiple officers can be logged into Traffic Stop Mode. As soon as a violation is recorded by the Spotter, all devices logged into Traffic Stop Mode will receive a notice in their app. Any officer can accept the notification. When the officer intercepts the offending vehicle, he can document the incident with further photo and video evidence, which is also recorded in the Evidence Portal. SECURE EVIDENCE PORTAL Recorded violations are sent from both app modes to the cloud-based Evidence Portal. Users can also view maps that show the location of violations, sort records by date or officer name, review evidence, and export data. ■ DEVICE REQUIREMENTS ■ Pair any Apple phone (running iOS 16 or higher) and a Stalker Lidar RLR with BLE feature. A cell phone mounting attachment is available on https://www.StalkerRadar.com

Screenshots

R9 Companion4 screens
Stalker Task Force4 screens

Verdict

The call

The clearest difference is price: Stalker Task Force at Free against R9 Companion's $11.99. Stalker Task Force also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.6). R9 Companion's advantage is ratings volume (11 vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Stalker Task Force is free to download; R9 Companion costs $11.99 up front. R9 Companion sells 4 one-off in-app purchases. Stalker Task Force asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stalker Task Force holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: R9 Companion has 11 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

R9 Companion ships an update every 6 weeks, Stalker Task Force every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard5 real differences · 5 level
R9 Companion versus Stalker Task Force: the parameters behind the verdict, then further details
ParameterR9 CompanionStalker Task Force
Price$11.99Free — better
Rating4.6 (11 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings11 — better1
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size14 MB27 MB
Age rating4+4+
DeveloperAngela McarthurApplied Concepts Incorporated

Customer experience

R9 Companion

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stalker Task Force

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

R9 Companion

One-time4
  • Snacks - Contribution$1.99
  • Drinks - Contribution$3.99
  • Lunch - Contribution$6.99
Show 1 more
  • Super Fan - Contribution$9.99
None

Stalker Task Force

No in-app purchases

Questions

Is R9 Companion free?
R9 Companion costs $11.99, and also offers in-app purchases.
Is Stalker Task Force free?
Stalker Task Force is free to download, with no in-app purchases.
Which has better reviews, R9 Companion or Stalker Task Force?
Stalker Task Force is rated higher. R9 Companion averages 4.6 out of 5 from 11 ratings, while Stalker Task Force averages 5.0 from 1 ratings.
Do R9 Companion or Stalker Task Force have ads?
Neither R9 Companion nor Stalker Task Force shows ads.
Which is updated more often, R9 Companion or Stalker Task Force?
R9 Companion ships an update every 6 weeks, and Stalker Task Force every 2 months. Most recently, R9 Companion was updated on October 24, 2026 and Stalker Task Force on October 19, 2026.

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