Comparison

Gobius vs KELINNIU BMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Fluid level monitoring
  • Volume display in % and liters
  • Installation guides
  • Tank calculator for non-rectangular tanks
  • Visual fluid level indicators
  • Waterproof sensor compatibility
Features
Read full description

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

About

KELINNIU BMS

Features
Read full description

KELINNIU BMS ensures the accurate connection and management of the corresponding lithium battery pack;Monitor the battery fault alarm, show the current battery fault and the number of faults;

Screenshots

Gobius4 screens
KELINNIU BMS3 screens

Verdict

The call

The clearest difference is update cadence: KELINNIU BMS at daily against Gobius's monthly. KELINNIU BMS also leads on iOS requirement (11.0 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gobius ships an update monthly, KELINNIU BMS daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Gobius versus KELINNIU BMS: the parameters behind the verdict, then further details
ParameterGobiusKELINNIU BMS
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size34 MB83 MB
Age rating17+17+
DeveloperGobius Sensor Technology ABQingdaoKelinNewEnergyTechnologyCo., Ltd

In-app purchases

None

Gobius

No in-app purchases

None

KELINNIU BMS

No in-app purchases

Questions

Is Gobius free?
Gobius is free to download, with no in-app purchases.
Is KELINNIU BMS free?
KELINNIU BMS is free to download, with no in-app purchases.
Do Gobius or KELINNIU BMS have ads?
Neither Gobius nor KELINNIU BMS shows ads.
Which is updated more often, Gobius or KELINNIU BMS?
Gobius ships an update monthly, and KELINNIU BMS daily. Most recently, Gobius was updated on October 24, 2026 and KELINNIU BMS on October 25, 2026.

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