Comparison

AllSensor vs R9 Companion

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

Head to head
About

AllSensor

Features
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Application features: - Multiple Bluetooth sensors, such as illumination, temperature and humidity, noise, etc., can be automatically connected at the same time - Includes maximum minimum display mode - Includes line chart view - Includes view of the data table - Data can be exported in a variety of formats Preconditions for using: - Use the AllSun Bluetooth Sensor Series (EM2221, EM2224, EM2226, EM2228, EM2310, EM2311, EM2312) - IOS 8.3 or an updated version is required to support Bluetooth 4.0 and above devices

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
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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 / 122 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. *Requires US Version 126 firmware: 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.

Screenshots

AllSensor3 screens
R9 Companion4 screens

Verdict

The call

The clearest difference is price: AllSensor at Free against R9 Companion's $11.99. AllSensor also leads on in-app purchases (none vs 4) and update cadence (every 3 months vs every 6 months). On ads and device support 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

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

UpkeepUpdate frequency

AllSensor ships an update every 3 months, R9 Companion every 6 months. The most recent releases landed on September 19, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
AllSensor versus R9 Companion: the parameters behind the verdict, then further details
ParameterAllSensorR9 Companion
PriceFree — better$11.99
Rating—4.6 (11 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—11 — better
Update frequencyEvery 3 months — betterEvery 6 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size60 MB14 MB
Age rating4+4+
DeveloperZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.Angela Mcarthur

In-app purchases

None

AllSensor

No 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

Questions

Is AllSensor free?
AllSensor is free to download, with no in-app purchases.
Is R9 Companion free?
R9 Companion costs $11.99, and also offers in-app purchases.
Do AllSensor or R9 Companion have ads?
Neither AllSensor nor R9 Companion shows ads.
Which is updated more often, AllSensor or R9 Companion?
AllSensor ships an update every 3 months, and R9 Companion every 6 months. Most recently, AllSensor was updated on September 19, 2026 and R9 Companion on October 7, 2026.

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