Comparison

杰星科教 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

杰星科教

Features

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杰星科教，其包含了多种风格各异的控制方式，分别为:分组按键遥控器、自定义图形编程的模式，让您体验不一样的乐趣!

About

ElectroCalc Pro

Features

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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

杰星科教4 screens

ElectroCalc Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: 杰星科教 at none against ElectroCalc Pro's 1. 杰星科教 also leads on ads (none vs shown) and update cadence (monthly 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. 杰星科教 asks for nothing beyond the download.

UpkeepUpdate frequency

杰星科教 ships an update monthly, ElectroCalc Pro every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 2 level

杰星科教 versus ElectroCalc Pro: the parameters behind the verdict, then further details
Parameter	杰星科教	ElectroCalc Pro
Price	Free	Free
Update frequency	Monthly — better	Every 3 months
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	89 MB	27 MB
Age rating	4+	4+
Developer	广东杰星玩具实业有限公司	DONGSOO LEE

In-app purchases

None

杰星科教

No in-app purchases

1 purchases

ElectroCalc Pro

One-time1

Remove Ads$1.99

Questions

Is 杰星科教 free?

杰星科教 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 杰星科教 or ElectroCalc Pro have ads?

ElectroCalc Pro shows ads; 杰星科教 does not.

Which is updated more often, 杰星科教 or ElectroCalc Pro?

杰星科教 ships an update monthly, and ElectroCalc Pro every 3 months. Most recently, 杰星科教 was updated on October 27, 2026 and ElectroCalc Pro on October 24, 2026.