Comparison

GOK SmartBox vs Voltmasters App

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

Head to head
About

GOK SmartBox

Features
Read full description

SmartBox: Real-Time Monitoring for Your Tank Levels The SmartBox app, in combination with the electronic level indicator SmartBox AIR Wi-Fi, offers an innovative solution for monitoring tank levels in real time. This app is specifically designed to provide you with a comprehensive overview of your tank levels – no matter where you are. Main Features and Benefits of the SmartBox App: - Real-time monitoring: Receive up-to-date level data directly on your smartphone or tablet. Track consumption and plan refills in good time. - User-friendly interface: The intuitive user interface allows for easy navigation and quick access to key information. - Manage multiple tanks: Monitor several tanks simultaneously and keep an overview of all your systems. - Secure and reliable: The SmartBox app uses secure connections to protect your data and ensure reliable monitoring. - Increased efficiency: Always know how much to reorder, for example, when prices are favourable. - Full control: Always know the exact level of your tank, helping prevent heating failure due to an empty tank. - Multiple menu languages: German, English, French, Dutch, Italian, Spanish and Polish. - Data analysis: Export for further processing in Microsoft Excel. Areas of Application: The SmartBox app is ideal for private households, commercial operations and industrial facilities that rely on dependable monitoring of their tank levels. Whether it’s used for waste oil, diesel fuel, FAME, heating oil, bio heating oil, HVO, vegetable oil, rainwater or other water-polluting non-flammable liquids – the app offers a flexible solution for various application areas. Download the SmartBox app today and benefit from modern and reliable tank level monitoring. With the SmartBox app, you’ll always stay in control and can rest assured that your tanks are adequately filled.

About

Voltmasters App

Features
Read full description

Voltmasters puts your energy management system in your pocket. The official mobile app for the Voltmasters platform helps you stay on top of your sites β€” whether you manage one project or many. Live insight See real-time grid import, energy flow between grid, PV, battery, EV, and trends over different timeslots. Know at a glance when everything is running smoothly or when action is needed. Projects at a glance Browse all your projects, filter by health status, and open a site dashboard with controller status, asset overview, self-supply and self-consumption metrics, and control mode. Stay informed Review incidents and alerts, search and filter across your portfolio, and receive push notifications so you do not miss important events. Devices and settings Inspect devices and assets on site, adjust consumption planning, and manage default operating modes β€” the same EMS capabilities you rely on in the web platform, optimized for mobile. Built for professionals Secure sign-in with two-factor authentication. Light and dark appearance. Dutch and English interface. A Voltmasters account and access to your projects are required. For installation, provisioning, and full platform administration, use the Voltmasters web application.

Screenshots

GOK SmartBox3 screens
Voltmasters App4 screens

Verdict

The call

The clearest difference is update cadence: Voltmasters App at every 10 days against GOK SmartBox's every 2 months. GOK SmartBox's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

GOK SmartBox ships an update every 2 months, Voltmasters App every 10 days. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

Scorecard2 real differences Β· 4 level
GOK SmartBox versus Voltmasters App: the parameters behind the verdict, then further details
ParameterGOK SmartBoxVoltmasters App
PriceFreeFree
Update frequencyEvery 2 monthsEvery 10 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS11.0 β€” better15.1
Further details β€” not scored
Size73 MB36 MB
Age rating4+4+
DeveloperGOKVoltmasters

In-app purchases

None

GOK SmartBox

No in-app purchases

None

Voltmasters App

No in-app purchases

Questions

Is GOK SmartBox free?
GOK SmartBox is free to download, with no in-app purchases.
Is Voltmasters App free?
Voltmasters App is free to download, with no in-app purchases.
Do GOK SmartBox or Voltmasters App have ads?
Neither GOK SmartBox nor Voltmasters App shows ads.
Which is updated more often, GOK SmartBox or Voltmasters App?
GOK SmartBox ships an update every 2 months, and Voltmasters App every 10 days. Most recently, GOK SmartBox was updated on September 9, 2026 and Voltmasters App on September 10, 2026.

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