Comparison

kVA Calculator vs truSmart lite

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

Head to head
About

kVA Calculator

Easily calculate and convert electrical values like kVA, kW, Amps, Volts, and Power Factor. Supports both single and three-phase calculations for engineers working with power systems.

Highlights
  • Calculate kVA, kW, Amps, Volts, Power Factor
  • Single Phase Calculations
  • Three Phase Calculations
  • Convert between electrical units
  • Intuitive input for two values to find the third
Features
Read full description

This kVA Calculator is the essential electrical calculator for electricians and engineers. Quickly convert or calculate kVA, kW and Power Factor or kVA, Volts and Amps — no more manual formula lookups. Perfect for converting kVA to Amps, or kW to KVA when sizing generators or UPS systems. Includes Single Phase and Three Phase, kW and kVA electrical calculations. Enter any two values to calculate the third. kVA Single Phase (1-Phase) Calculations: - Calculate kVA. - Calculate Volts. - Calculate Amps. kVA Three Phase (3-Phase) Calculations: - Calculate kVA. - Calculate Volts. - Calculate Amps. kVA, Power Factor & kW Calculations: - Calculate kVA. - Calculate Power Factor. - Calculate kW. Electrical units are measured in the following: Current (I) = Amps. Power (P) = Watts (or kW). Volts (V) = Voltage. Supports dark mode and 16 languages. Simple, fast, and accurate — the kVA calculator you'll reach for every day. Trusted by the professionals since 2011.

About

truSmart lite

Features
Read full description

truSmart is a LED lighting control APP specialised for managing the luminaires and equipments under the Bluetooth System. The main functionalities of truSmart include: 1)Support mono-dimmable lamps. 2)User may add and delete lamps directly with APP. 3)Support lamp group operations such as turn on/off a group of lamps and group dimming. 4)Support lighting scenes so that users may design different lighting scenes according to their needs. 5)Different smart phones can synchronize data with specified privileges through scanning QR code. 6)Support multiple smart phones in one project. 7)Ready to use on installation, no account and password needed.

Screenshots

kVA Calculator4 screens
truSmart lite4 screens

Verdict

The call

The clearest difference is ads: truSmart lite at none against kVA Calculator's shown. truSmart lite also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (12.0 vs 15.0). On price, 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

kVA Calculator ships an update every 6 months, truSmart lite every 3 months. The most recent releases landed on November 6, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
kVA Calculator versus truSmart lite: the parameters behind the verdict, then further details
ParameterkVA CalculatortruSmart lite
PriceFreeFree
Rating4.4 (12 ratings) — better—
Positive reviews41.7% of reviews—
Number of ratings12 — better—
Update frequencyEvery 6 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size10 MB20 MB
Age rating4+4+
DeveloperPro Certs Software LtdB & T Associates Ltd

In-app purchases

None

kVA Calculator

No in-app purchases

None

truSmart lite

No in-app purchases

Questions

Is kVA Calculator free?
kVA Calculator is free to download, with no in-app purchases.
Is truSmart lite free?
truSmart lite is free to download, with no in-app purchases.
Do kVA Calculator or truSmart lite have ads?
kVA Calculator shows ads; truSmart lite does not.
Which is updated more often, kVA Calculator or truSmart lite?
kVA Calculator ships an update every 6 months, and truSmart lite every 3 months. Most recently, kVA Calculator was updated on November 6, 2026 and truSmart lite on October 13, 2026.

Other comparisons