Best Spark alternatives: apps like Spark - Reon Energy

10+ similar apps compared and reviewed

5.0 avg rating
10 free apps
Updated November 2026

Whether you want more options like Spark or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Spark

More apps like Spark

4
unloading meter
unloading meter
unloading meter
by Zhejiang Koeo Petroleum Machinery Co.,Ltd
Free
🔧 Utilities
(0)
5
ONESTO SOLAR
ONESTO SOLAR
ONESTO SOLAR
by Zhejiang Onesto Electric Co., Ltd.
Free
🔧 Utilities
(0)
6
CaptiveAire Toolbox
CaptiveAire Toolbox
CaptiveAire Toolbox
HVAC ENGINEERING TOOLBOX
Free

This app provides over 40 HVAC and building-systems engineering calculators, offering quick field calculations for engineers, contractors, and technicians. It covers cooling, heating, ventilation, electrical sizing, piping, and valve sizing, all based on standard industry references.

40+ HVAC engineering calculatorsCooling and heating load calculationsVentilation and airflow analysis
🔧 Utilities
(1)
free
7
VNSenergy
VNSenergy
VNSenergy
by AsianPowerDevicesInc
Free
🔧 Utilities
(0)
8
Aras Green Energy
Aras Green Energy
Aras Green Energy
transforming renewable energy.
Free

Explore a catalog of solar and battery products for homes, businesses, and industry. Learn about renewable energy solutions, engineering services, and the company's commitment to sustainability and reducing CO2 emissions.

Solar and battery product catalogEngineering and maintenance servicesSustainability and CO2 reduction information
🔧 Utilities
(2)
free
9
SolarViewer
SolarViewer
SolarViewer
by AsianPowerDevicesInc
Free
🔧 Utilities
(0)
10
MeasureMate - RTA & beyond
MeasureMate - RTA & beyond
MeasureMate - RTA & beyond
Smaart, Galaxy, 10EaZy, RTA
Free

This app provides remote control and measurement capabilities for live sound engineers. It allows users to monitor and tune PA systems from their listening position, offering features for spectrum analysis, SPL monitoring, and DSP control.

Remote Smaart V8 & V9 controlMeyer Sound Galaxy DSP adjustment10EaZy SPL monitoring with alerts
🔧 Utilities
(0)
free with in-app purchases