Comparison

Calctronics vs E拆

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

Head to head
About

Calctronics

This app provides a comprehensive suite of calculators and design tools for electronic engineering. It assists with circuit design, filter analysis, and component calculations for resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic projects.

Highlights
  • Comprehensive calculator collection
  • Filter design with graph plotting
  • Resistor, transistor, capacitor design tools
  • Amplifier and inductor design
  • Circuit analysis and design
  • Offline functionality
Features
Read full description

Introducing the ultimate electronic engineering app! With its comprehensive collection of calculators and design tools, you'll be able to tackle any electronic project with ease. Our app features a filter design calculator that allows you to plot graphs, making it easier to visualize your calculations. Additionally, we've included resistor, transistor, capacitor, amplifier, and inductor design tools to help you tackle any electronic design problem. Whether you're a professional electronic engineer or just starting out, this app is the perfect tool to have in your arsenal. Download now and experience the power of electronic engineering in the palm of your hand! Here are some stuffs you can do with the app:- Circuit design Electrical calculations Filter design Resistor calculations Transistor design Capacitor design Amplifier design Inductor design Electrical engineering tools Electronic engineering calculator Circuit analysis --- The app contains the following calculators --- • Resistor Colour Code • Resistors in series and parallel • Capacitors in series and parallel • Capacitor charge • Resistor's Y to delta and delta to Y Converter • Resistor's Pi, Tee and bridge Tee attenuator • SMD Resistor Code • Capacitor Code includes polyester and ceramic capacitors • Ohm's Law • Transistor amplifier calculator • Filters Sallen-Key active filter, Butterworth, Chebyshev and Bessel filters • Voltage divider • Resistor Ratio • Skin depth • Decibel to Watt and Watt to decibel converter • Coaxial cable and 2 parallel wires impedance and capacitance calculator • Operational Amplifier eg inverting amplifier, Difference amplifier and Non inverting amplifier • LED series Resistor Calculator • Adjustable voltage regulator • 555 timer Calculator including Astable and monostable timer • Power dissipation • Micro strip trace width and impedance calculator • Inductor Design Tool • Cylinderical wave guide Calculator • Rectangular wave guide Calculator • PCB Trace Width Calculator • Series capacitor, inductor and resistor Resonance • Capacitive Reactance • Inductive Reactance • Power Calculator • Decibel Converter • Crossover calculator • Band pass and Band reject filter design Whether you're a professional engineer or a student learning about electronics, Electronics Calculator Pro is the perfect tool for your circuit design needs. With its comprehensive set of calculator tools and offline functionality, you'll have everything you need to design and analyze your circuits with confidence. Try it out today!

About

E拆

Read full description

E拆APP辅助车辆拆解企业员工高效完成工作,提供了车辆入厂后的建档、称重、验车、入库、出库、拆解、产成品贮存、产成品销售等环节的响应功能,为车辆拆解企业提供了采购、生产、销售、数据分析等管理工具。

Screenshots

Calctronics4 screens
E拆3 screens

Verdict

The call

The clearest difference is in-app purchases: E拆 at none against Calctronics's 1. E拆 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Calctronics sells 1 one-off in-app purchase. E拆 asks for nothing beyond the download.

UpkeepUpdate frequency

Calctronics ships an update every 2 months, E拆 every 5 weeks. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
Calctronics versus E拆: the parameters behind the verdict, then further details
ParameterCalctronicsE拆
PriceFreeFree
Rating4.0 (5 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size35 MB30 MB
Age rating4+17+
DeveloperAnas AbubakarChina Intelligence Digital (Tianjin) Technology Co., Ltd

In-app purchases

1 purchases

Calctronics

One-time1
  • Upgrade to the Pro version$2.99
None

E拆

No in-app purchases

Questions

Is Calctronics free?
Calctronics is free to download, with in-app purchases available.
Is E拆 free?
E拆 is free to download, with no in-app purchases.
Do Calctronics or E拆 have ads?
Calctronics shows ads; E拆 does not.
Which is updated more often, Calctronics or E拆?
Calctronics ships an update every 2 months, and E拆 every 5 weeks. Most recently, Calctronics was updated on September 9, 2026 and E拆 on September 19, 2026.

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