Comparison

ZonergyPro vs ElectroCalc Pro

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

Head to head

About

ZonergyPro

Features

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Zonergy Pro is a mobile client for FAE personnel to install and debug. FAE personnel connect the equipment through Bluetooth and WiFi, conduct real-time monitoring, debugging and analysis of the equipment, and support online viewing of equipment maintenance manual and video.

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

ZonergyPro2 screens

ElectroCalc Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: ZonergyPro at none against ElectroCalc Pro's 1. ZonergyPro also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price 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. ElectroCalc Pro sells 1 one-off in-app purchase. ZonergyPro asks for nothing beyond the download.

UpkeepUpdate frequency

ZonergyPro ships an update every 3 weeks, ElectroCalc Pro every 3 months. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 2 level

ZonergyPro versus ElectroCalc Pro: the parameters behind the verdict, then further details
Parameter	ZonergyPro	ElectroCalc Pro
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 3 months
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	55 MB	27 MB
Age rating	4+	4+
Developer	DELTA NETWORKS (XIAMEN) LTD	DONGSOO LEE

In-app purchases

None

ZonergyPro

No in-app purchases

1 purchases

ElectroCalc Pro

One-time1

Remove Ads$1.99

Questions

Is ZonergyPro free?

ZonergyPro 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 ZonergyPro or ElectroCalc Pro have ads?

ElectroCalc Pro shows ads; ZonergyPro does not.

Which is updated more often, ZonergyPro or ElectroCalc Pro?

ZonergyPro ships an update every 3 weeks, and ElectroCalc Pro every 3 months. Most recently, ZonergyPro was updated on November 3, 2026 and ElectroCalc Pro on November 2, 2026.