# Fathom Radar — Fathom RV Tank Radar Companion

> Real-time RV tank monitoring and configuration via Bluetooth sensors. (iPhone/iPad app by Wavetronix.)

- Source: https://appshunter.io/ios/app/fathom-radar/id6760328836 (this page in markdown: same URL + `.md`)
- Developer: [Wavetronix](https://appshunter.io/developer/840962748)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 31 MB
- Languages: American English
- Released: 2026-07-05
- Data updated: 2026-08-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/fathom-radar/id6760328836/reviews.md

## What is Fathom Radar?

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.

## Key features

- Real-time RV tank monitoring
- Supports 1-9 tanks
- Customizable sensor organization
- Automatic reconnection
- Simultaneous device connections
- Sensor auto-calibration
- Over-the-air updates


## Frequently asked questions about Fathom Radar

### How does Fathom Radar connect to RV tanks?

Fathom Radar connects to your RV tanks wirelessly through a networked Bluetooth Hub, which then communicates with your Fathom tank sensors. This allows for real-time data transmission directly to your phone or tablet.

### Can I use Fathom Radar with multiple RV tanks?

Yes, Fathom Radar supports a flexible configuration of 1 to 9 tanks. You can assign sensors to specific tanks, including fresh, gray, and black water tanks, with up to three of each type supported.

### How accurate is Fathom Radar's tank level reporting?

The app provides 1% level increments for clear visual indicators, offering precise insights into your tank status. You can also trigger sensor auto-calibration directly from the app to maintain optimal accuracy.

### Does Fathom Radar have ads?

No, Fathom Radar is ad-free. As a free application, it focuses on providing a seamless user experience without interruptions from advertisements.

### What devices are compatible with Fathom Radar?

Fathom Radar is available for iPhone, iPad, and iPod devices. It is designed to run on Apple's mobile operating system.

### How often is Fathom Radar updated?

The app was last updated on August 17, 2026, with version 2.0.2. Over-the-air (OTA) updates are also available for the Fathom sensors and Bluetooth Hub, ensuring you always have the latest features and improvements.

### Can multiple users monitor RV tanks with Fathom Radar?

Yes, Fathom Radar allows up to three phones or devices to connect simultaneously. This feature is ideal for sharing tank monitoring access with family members or travel companions.

### What is the age rating for Fathom Radar?

Fathom Radar has an age rating of 4+. This indicates that the app is suitable for users of all ages, with no mature content.

## Version history (last 2 releases)

### 2.0.2 — 2026-08-17

Firmware update notifications and banner.
Sensor configuration banner.
Improved pairing window handling during device scanning.

### 2.0.0 — 2026-07-06

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*