Comparison

Oncall Tech vs NRG Config

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

Head to head
About

Oncall Tech

Features
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The Oncall Tech App is a security management tool designed specifically for modern homes and office environments. By seamlessly connecting with smart security devices (such as cameras, door and window sensors, smoke detectors, etc.), you can monitor your home or office anytime, anywhere, ensuring safety and peace of mind. Key features: 1. Real-time Monitoring and Alerts Receive real-time alert notifications from intelligent security devices, such as abnormal intrusions, fires, gas leaks, etc. 2. Remote Control Remotely control the switches of security equipment through the Oncall Tech app, such as arm/disarm. Supports timing task settings, automatically turning on/off the security system. 3. History and statistics Record all alarm events and device operation logs for easy viewing and management. Provides data statistics to help you analyze security status. 4. Multi-user Sharing Supports family members or colleagues sharing device permissions, managing the security system together. Different user permission levels can be set to ensure safety and control.

About

NRG Config

Features
Read full description

NRG Config is a state-of-the-art configuration parameter tool developed by NRG for EV charging stations. Designed to empower installers, testers as well as end-users of NRG charging stations, it enables users to seamlessly achieve the following functions: - Connection to the backend server by configuring the charging station - Configuration of charging modes to suit your needs - Flexibility in configuring the rated output current of the charging station - Advanced configurations for home energy management, giving users the power to control their energy consumption more effectively. - Keep your charging station up-to-date by updating the firmware at any time using the NRG Config. With unparalleled ease of use and unbeatable support, NRG Config is an essential tool for those seeking to maximize the performance of their NRG charging station.

Screenshots

Oncall Tech4 screens
NRG Config3 screens

Verdict

The call

The clearest difference is iOS requirement: NRG Config at 11.0 against Oncall Tech's 15. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Oncall Tech ships an update weekly, NRG Config every 2 weeks. Both last shipped on October 28, 2026.

Scorecard1 real difference ยท 5 level
Oncall Tech versus NRG Config: the parameters behind the verdict, then further details
ParameterOncall TechNRG Config
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS1511.0 โ€” better
Further details โ€” not scored
Size130 MB12 MB
Age rating4+4+
DeveloperOn Call Technical Support LtdNRG CHARGE LTD

In-app purchases

None

Oncall Tech

No in-app purchases

None

NRG Config

No in-app purchases

Questions

Is Oncall Tech free?
Oncall Tech is free to download, with no in-app purchases.
Is NRG Config free?
NRG Config is free to download, with no in-app purchases.
Do Oncall Tech or NRG Config have ads?
Neither Oncall Tech nor NRG Config shows ads.
Which is updated more often, Oncall Tech or NRG Config?
Oncall Tech ships an update weekly, and NRG Config every 2 weeks. Most recently, Oncall Tech was updated on October 28, 2026 and NRG Config on October 28, 2026.

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