Gobius vs TRL TPMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gobius
This application works with specific sensors to monitor fluid levels in tanks, displaying volume in percentages and liters. It provides installation guides, tank calculators for various shapes, and visual level indicators.
- Fluid level monitoring
- Volume display in % and liters
- Installation guides
- Tank calculator for non-rectangular tanks
- Visual fluid level indicators
- Waterproof sensor compatibility
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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
TRL TPMS
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TRL's Tyre Pressure Monitoring System. To view last recorded pressure and alerts for all tyre pressures.
Screenshots
Verdict
The clearest difference is update cadence: TRL TPMS at weekly against Gobius's monthly. TRL TPMS also leads on iOS requirement (12.2 vs 15.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Gobius ships an update monthly, TRL TPMS weekly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.
| Parameter | Gobius | TRL TPMS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.2 — better |
| Further details — not scored | ||
| Size | 34 MB | 60 MB |
| Age rating | 17+ | 4+ |
| Developer | Gobius Sensor Technology AB | TRAILER RESOURCES LIMITED |
In-app purchases
Gobius
No in-app purchases
TRL TPMS
No in-app purchases
