LevelSmart vs R9 Companion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LevelSmart
Remotely monitor water levels and temperatures for pools, spas, and water features using wireless sensors. Receive alerts for high/low water levels and view historical data for peace of mind. Ensures your water systems are functioning correctly and prevents issues like dry pumps.
- Remote water level monitoring
- Water temperature tracking
- High/low water level alerts
- Push notifications
- Leak alerts
- Alert history view
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The LevelSmart™ App shows water levels and temperatures reported by your LevelSmart Wireless Level Sensors. Remotely monitor your pool, spa, water feature or cooling tower remotely. The upgraded app lets you see your Alert History so you can see if the High or Low Water Alert you received has been resolved. You can see temperatures and water levels anytime using the app. Using the LevelSmart app gives you peace of mind all the time. Have no worry that your pool and spa are warm and leveled off. No more dry pumps. Get text and emails when you set up your high and low water level alerts on the dashboard. The LevelSmart App allows you to remotely monitor your pool and spa system from your mobile device. You now can know your water is where it is supposed to be 24/7 and that your pool is working fine. When you open the LevelSmart App you will be able to choose all of your pools, spas or installations of the LevelSmart sensor. You can receive push notifications and leak alerts. Know your pool is fine anytime. Know your pump has plenty of water and is not running dry.
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.
- 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 / 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.
Screenshots
Verdict
The clearest difference is review sentiment: R9 Companion at 100% against LevelSmart's 0%. R9 Companion also leads on iOS requirement (15.0 vs 18.0). LevelSmart's advantage is price (Free vs $11.99) and in-app purchases (none vs 4). On update cadence, 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
LevelSmart is free to download; R9 Companion costs $11.99 up front. R9 Companion sells 4 one-off in-app purchases. LevelSmart asks for nothing beyond the download.
LevelSmart ships an update monthly, R9 Companion every 6 weeks. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.
| Parameter | LevelSmart | R9 Companion |
|---|---|---|
| Price | Free — better | $11.99 |
| Rating | — | 4.6 (11 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 11 — better |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Kona Labs | Angela Mcarthur |
Customer experience
LevelSmart
R9 Companion
In-app purchases
LevelSmart
No in-app purchases
R9 Companion
- Snacks - Contribution$1.99
- Drinks - Contribution$3.99
- Lunch - Contribution$6.99
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- Super Fan - Contribution$9.99









