Grounded+ vs Fathom Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grounded+
Manage your electric RV's systems remotely. Monitor battery levels, solar energy input, and appliance power consumption. Control lights, heating, and other onboard appliances directly from your device.
- Monitor house battery
- Track solar energy usage
- View appliance energy consumption
- Control lights
- Manage fan
- Operate hot water heater
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Grounded+ is the official app to manage your Grounded electric vehicle. The app connects to your Grounded vehicle-os computer and battery system over internet or Bluetooth, allowing you to monitor house battery, solar energy, and appliance energy usage. It also lets you control all appliances, such as lights, fan, stove, hot water heater, etc.
Fathom Radar
Monitor your RV tank levels in real-time with this intuitive app. Connect to your Fathom sensors via a Bluetooth Hub to track fresh, gray, and black tanks accurately. Customize settings, receive clear visual indicators, and enjoy reliable performance for a smarter RV experience.
- Real-time RV tank monitoring
- Supports 1-9 tanks
- Customizable sensor organization
- Automatic reconnection
- Simultaneous device connections
- Sensor auto-calibration
- Over-the-air updates
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Take full control of your RV tank system with a powerful, easy-to-use app designed for real-time monitoring and smart configuration. Connect seamlessly to your Fathom tank sensors through a networked Bluetooth Hub and view live readings right from your phone. Whether you’re tracking fresh, gray, or black tanks, the app gives you accurate, up-to-date insights so you always know where you stand. Setup is simple and flexible. Rename your Bluetooth Hub and Fathom sensors for easy identification, assign sensors to the correct tanks, and customize tank depth to match your exact setup. The app supports anywhere from 1 to 9 tanks, making it ideal for a wide range of RV configurations. Stay informed with clear visual indicators and 1% level increments giving you confidence to know when tanks are nearing full or empty. With automatic reconnection and strong Bluetooth range (depending on installation), you can rely on consistent performance without constant troubleshooting. Designed for convenience, the app allows up to three phones to connect at the same time—perfect for sharing access with family or travel companions. Advanced features give you even more control. Trigger sensor auto-calibration directly from the app to maintain accuracy, view detailed sensor information, and perform over-the-air (OTA) updates for both sensors and the Bluetooth Hub to ensure you always have the latest features and improvements. Key Features: • Real-time RV tank monitoring via Bluetooth Hub • Supports 1–9 tanks (up to 3 each: fresh, gray, black) • Rename and organize Bluetooth Hub and Fathom sensors • Assign Fathom sensors to specific tanks • Custom tank depth configuration • Strong Bluetooth connectivity (installation dependent) • Automatic reconnection for seamless use • Connect up to 3 app devices simultaneously • Fathom sensor auto-calibration from the app • View detailed sensor data and status • Over-the-air (OTA) updates for Fathom sensors and Bluetooth Hub Whether you’re on a weekend trip or a full-time adventure, this app keeps your RV tank system smart, simple, and under control.
Screenshots
Verdict
The clearest difference is rating: Fathom Radar at 5.0 against Grounded+'s 4.6. Grounded+'s advantage is ratings volume (9 vs 1). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fathom Radar holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Grounded+ has 9 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Grounded+ | Fathom Radar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (9 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 78 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Grounded | Wavetronix |
Customer experience
Grounded+
Fathom Radar
In-app purchases
Grounded+
No in-app purchases
Fathom Radar
No in-app purchases
