Comparison

Energy Efficiency Suite vs Viscosity Conversion

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

Head to head
About

Energy Efficiency Suite

Features
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This is a suite of twelve apps published already are put together to facilitate as a tool for performing energy efficiency studies especially in energy intensive chemical and process industries as well as HVAC applications. Hence, this can serve as an onsite analysis tool for energy engineers, auditors and technical personnel for assessing the energy saving potential. Further it can save more than 50% in total cost of individual apps. Apps can be grouped under three different categories such as supporting apps, device apps and energy cycle apps as given below. Supporting Apps: 1. Thermo-Physical Properties (16 common industrial fluids) 2. Fluid ฮ”P (Fluid pressure drops in pipes and conduits) 3. Orifice flow (Measurement of flow rates in pipes) 4. Engineering unit conversion (SI to USCS unit conversion) Device Apps: 1. Boiler Fuel Efficiency (with CHP) 2. Centrifugal Pump Specification 3. Fan Specification Performance 4. Compressor Capacity Performance 5. Heat Exchanger Performance Energy Cycles 1. Rankine Cycle 2. HVAC Cooling Cycle 3. HVAC Heating Cycle Users can save all their application data pertaining to energy cycles as well as major devices (Boiler, pump, heat exchanger and fan-duct system) in a file with unique title for reviewing and monitoring individual performance time to time. Users can use either SI and USCS units for both inputs and output. Please note that CHP (Brayton) cycle is part of BoilerFE app. The screen shots shown are mainly for energy cycle (Rankine and HVAC cooling cycles) apps. Therefore, please refer App stores for all other individual app descriptions and screen shots that were already published. Additional details are also available at our web site www.flowjoule.com/download.html This application suite has all the current updates with bug fixes for devices with iOS 14.. and higher and this will be frequently updated with added features time to time.

About

Viscosity Conversion

Features
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Viscosity Conversion - Easily convert between various types of units for Dynamic Viscosity, Kinematic Viscosity, and Dynamic Viscosity for Oil and Water. Viscosity is the state of being thick, sticky, and semi-fluid in consistency, primarily due to internal friction. It is quantified by a measure of the magnitude of internal friction, typically represented as the force per unit area resisting flow between parallel layers at a unit distance apart moving at unit speed relative to each other. Viscosity of a fluid indicates its resistance to gradual deformation under shear stress or tensile stress. In everyday terms, it's akin to the concept of "thickness." For instance, honey exhibits significantly higher viscosity compared to water. Fluid viscosity reflects its resistance to shear or flow and serves as an indicator of its adhesive, cohesive, or frictional properties. This resistance arises due to internal molecular friction within the fluid, resulting in a frictional drag effect. There are two key measures of fluid viscosity: dynamic and kinematic viscosity. Viscosity Types: 1. Dynamic Viscosity - Characteristic of fluids and plastic solids, dynamic viscosity quantifies a substance's resistance to deformation and is informally known as "thickness." 2. Dynamic Viscosity for Oil and Water - Conversion factors for viscosity, encompassing various oils, water, glycerin, and different temperatures. 3. Kinematic Viscosity - Includes units such as Stokes, centistokes, lentor, square meter/second, square foot/second, poise cubic centimeter/gram, and more. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

Screenshots

Energy Efficiency Suite4 screens
Viscosity Conversion4 screens

Verdict

The call

The clearest difference is price: Viscosity Conversion at $2.99 against Energy Efficiency Suite's $19.99. Energy Efficiency Suite's advantage is update cadence (every 3 months vs every 30 months). On ads, in-app purchases, device support and iOS requirement 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

Energy Efficiency Suite costs $19.99 and Viscosity Conversion $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Energy Efficiency Suite ships an update every 3 months, Viscosity Conversion every 30 months. The most recent releases landed on May 16, 2026 and September 23, 2026 respectively.

Scorecard2 real differences ยท 4 level
Energy Efficiency Suite versus Viscosity Conversion: the parameters behind the verdict, then further details
ParameterEnergy Efficiency SuiteViscosity Conversion
Price$19.99$2.99 โ€” better
Update frequencyEvery 3 months โ€” betterEvery 30 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS14.313 โ€” better
Further details โ€” not scored
Size4 MB1 MB
Age rating4+4+
DeveloperMuralidhar ShenoyNitrio

In-app purchases

None

Energy Efficiency Suite

No in-app purchases

None

Viscosity Conversion

No in-app purchases

Questions

Is Energy Efficiency Suite free?
Energy Efficiency Suite costs $19.99, with no in-app purchases.
Is Viscosity Conversion free?
Viscosity Conversion costs $2.99, with no in-app purchases.
Do Energy Efficiency Suite or Viscosity Conversion have ads?
Neither Energy Efficiency Suite nor Viscosity Conversion shows ads.
Which is updated more often, Energy Efficiency Suite or Viscosity Conversion?
Energy Efficiency Suite ships an update every 3 months, and Viscosity Conversion every 30 months. Most recently, Energy Efficiency Suite was updated on May 16, 2026 and Viscosity Conversion on September 23, 2026.

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