# Gobius > Fluid level monitoring app for Gobius sensors, showing volume in % and liters. (iPhone/iPad app by Gobius Sensor Technology AB.) - Source: https://appshunter.io/ios/app/gobius/id6471569744 (this page in markdown: same URL + `.md`) - Developer: [Gobius Sensor Technology AB](https://appshunter.io/developer/1422407278) - Category: Utilities - Price: Free - Rating: 1.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 17+ - Requires: iOS 13.0 · 35 MB - Languages: American English - Released: 2023-11-09 - Data updated: 2026-07-22 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/gobius/id6471569744/reviews.md ## What is Gobius? This app is designed to be used with the Gobius C and Gobius Pro sensors. The sensor is measuring sleeplessly from empty to full tank for all kinds of fluids. It gives you to volume in % and liters. 
The sensor is placed direct on top of the tank on plastic and glass fiber tanks. On metal tanks, you need a hole, at least 40 mm.
Gobius C is ready to use; everything is in the box. You get the sensor with a 3M tape, a Quick Guide, 3M tissue, a cable to connect to a power source (12-24 V), and to use for external devices, like warning lights/buzzers, control systems, and analog gauges. The Quick Guide gives you a brief overview of installing the sensor. And the sensor is waterproof IP66. In the app you have everything; Installation Guide with instructions for mounting the sensor on the tank, setup/calculation and displaying the fluid level in different colors. The app has also a Tank Calculator for non-rectangular tanks, such as round and triangular tanks. Installation should take no longer than 15 minutes ## Key features - Fluid level monitoring - Volume display in % and liters - Installation guides - Tank calculator for non-rectangular tanks - Visual fluid level indicators - Waterproof sensor compatibility ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/gobius/id6471569744/reviews.md ### 1/5 — NMEA 2000 support still broken. *2024-05-17* OK 3rd update and now the app can't even connect to the device. 5 attempts and counting to contact the manufacturer, but all I get is crickets. Seriously. don't bother. If you've downloaded this app, you've already wasted your money on a device that does not work and a vender who doesn't respond. ## Frequently asked questions about Gobius ### What sensors does Gobius work with? Gobius is designed to be used with the Gobius C and Gobius Pro sensors. These sensors are placed on top of plastic and glass fiber tanks or require a hole on metal tanks for measurement. ### How accurate is the fluid level measurement with Gobius? The Gobius sensors measure fluid levels sleeplessly from empty to full, providing the volume in both percentage and liters. The app then displays this information. ### Does Gobius require a subscription? No, Gobius is available for free. The app itself does not require a subscription to use with compatible sensors. ### What devices support Gobius? Gobius is currently supported on iPhone and iPod devices. It is not specified if Android or other platforms are supported. ### How often is Gobius updated? The latest version of Gobius is 3.5.10, which was last updated on May 18, 2026. This indicates a recent update, though the specific frequency is not detailed. ### What is the age rating for Gobius? Gobius has an age rating of 17+. This is likely due to the technical nature of the application and its intended use with hardware sensors. ### Can Gobius calculate levels for non-rectangular tanks? Yes, the app includes a Tank Calculator feature that can handle non-rectangular tanks, such as round and triangular shapes, to accurately display fluid levels. ### What is the installation process for the Gobius sensor? The app provides an Installation Guide with detailed instructions for mounting the sensor on the tank. The setup and calculation process within the app should take no longer than 15 minutes. ## Version history (last 5 releases) ### 4.0.2 — 2026-07-19 - Minor bug fixes ### 4.0.1 — 2026-07-02 - Added installation support. - Added the ability to import settings from the Sensor and Gobius Tank Calculator using a code. - Added local notifications for alarm levels. - Added an "Info" (i) button with usage instructions. - Increased measurement support up to 4.5 meters. - Calibration bug fixes - Implemented minor bug fixes and performance improvements. ### 4.0.0 — 2026-06-30 - Added installation support. - Added the ability to import settings from the Sensor and Gobius Tank Calculator using a code. - Added local notifications for alarm levels. - Added an "Info" (i) button with usage instructions. - Increased measurement support up to 4.5 meters. - Implemented minor bug fixes and performance improvements. ### 3.5.10 — 2026-05-18 - This app also now supporting older Gobius Pro, with firmware 2.x.x. ### 3.5.9 — 2026-02-27 • Service Code Sharing – You can now share sensor details using a service code for both C and Pro sensors. • Performance improvements and minor bug fixes for a smoother experience. ## Apps similar to Gobius | App | Rating | Price | Category | | --- | --- | --- | --- | | [NavcommEye](https://appshunter.io/ios/app/navcommeye/id1439731104) | — | Free | Utilities | | [Fuel Berth](https://appshunter.io/ios/app/fuel-berth/id6446804324) | — | Free | Utilities | | [VirCru: Boat Monitoring](https://appshunter.io/ios/app/vircru-boat-monitoring/id1582617113) | — | Free | Utilities | | [VL Flex Configurator](https://appshunter.io/ios/app/vl-flex-configurator/id1542323899) | 5.0 (1) | Free | Utilities | | [Ohoy](https://appshunter.io/ios/app/ohoy/id1551632888) | — | Free | Utilities | | [VMH 14](https://appshunter.io/ios/app/vmh-14/id1606935595) | — | Free | Utilities | ## More apps by Gobius Sensor Technology AB - [Gobius Pro](https://appshunter.io/ios/app/gobius-pro/id1422407279) - [Alstom Gobius Pro](https://appshunter.io/ios/app/alstom-gobius-pro/id1631195474) - [Gobius View](https://appshunter.io/ios/app/gobius-view/id6752855895) - [Gobius C Fix 2](https://appshunter.io/ios/app/gobius-c-fix-2/id6760606375) All apps by Gobius Sensor Technology AB: https://appshunter.io/developer/1422407278 --- *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 2026-07-22.*