Comparison

HTMercury vs ElectroCalc Pro

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

Head to head
About

HTMercury

Features
Read full description

HTMercury is a professional software available for iOS designed to perform real-time display of measured values from the HT ITALIA’s MERCURY instrument with possibility of saving snapshots for both Multimeter and integrated Thermal imager functions, performing advanced analyzes and creating reports of thermal images in order to share between mobile devices. The APP also allows to make and save recordings of each parameter measured with the internal data logger function. Summary of features and functions: β€’ Real-time visualization Multimeter function values via Bluetooth connection β€’ Saving snapshots of Multimeter and Thermal imager functions β€’ Recording of measured parameters with customized sample interval and duration time β€’ Set an modify IR picture parameters from mobile device β€’ Including objects (points, lines, areas) on images for advanced analysis β€’ Download images into mobile device via USB connection β€’ Creation of IR image snaphots reports and saving in PDF format file β€’ Sharing saved data by e-mail and social networks

About

ElectroCalc Pro

Features
Read full description

ElectroCalc Pro is the essential utility for electronics engineers and hobbyists. Simplify your daily circuit calculations with this powerful tool. [Key Features] 1. Basic Electronics - LED Resistor Calculator - Voltage Divider Calculator (Vin, R1, R2, Vout) - LM317 Voltage Regulator Calculator 2. Power & Cables - Ohm's Law Calculator (Voltage, Current, Resistance, Power) - AWG (American Wire Gauge) Table & Conversion 3. Battery Tools - Battery Runtime Calculator - Battery Configuration Calculator (Series / Parallel) 4. PCB Tools - PCB Trace Width & Resistance Calculations

Screenshots

HTMercury4 screens
ElectroCalc Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: HTMercury at none against ElectroCalc Pro's 1. HTMercury also leads on ads (none vs shown) and iOS requirement (8.0 vs 13.0). ElectroCalc Pro's advantage is update cadence (every 2 months vs every 9 months). On price 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. ElectroCalc Pro sells 1 one-off in-app purchase. HTMercury asks for nothing beyond the download.

UpkeepUpdate frequency

HTMercury ships an update every 9 months, ElectroCalc Pro every 2 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

Scorecard4 real differences Β· 2 level
HTMercury versus ElectroCalc Pro: the parameters behind the verdict, then further details
ParameterHTMercuryElectroCalc Pro
PriceFreeFree
Update frequencyEvery 9 monthsEvery 2 months β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS8.0 β€” better13.0
Further details β€” not scored
Size49 MB28 MB
Age rating4+4+
DeveloperHT Italia srlDONGSOO LEE

In-app purchases

None

HTMercury

No in-app purchases

1 purchases

ElectroCalc Pro

One-time1
  • Remove Ads$1.99

Questions

Is HTMercury free?
HTMercury is free to download, with no in-app purchases.
Is ElectroCalc Pro free?
ElectroCalc Pro is free to download, with in-app purchases available.
Do HTMercury or ElectroCalc Pro have ads?
ElectroCalc Pro shows ads; HTMercury does not.
Which is updated more often, HTMercury or ElectroCalc Pro?
HTMercury ships an update every 9 months, and ElectroCalc Pro every 2 months. Most recently, HTMercury was updated on October 17, 2026 and ElectroCalc Pro on October 8, 2026.

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