Comparison

Electronic Circuit Calculator vs DX641升级工具

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

Head to head
About

Electronic Circuit Calculator

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

Electronic Circuit Calculator is a powerful electronics toolkit combining circuit calculators, circuit analysis, design tools, and interactive simulations in one app. Built for electronics and electrical engineering students, hobbyists, technicians, and engineers, it helps you calculate, analyze, design, and explore electronic circuits. CIRCUIT ANALYSIS & THEORY • Thevenin Theorem • Norton Theorem • Kirchhoff’s Current Law (KCL) • Kirchhoff’s Voltage Law (KVL) • Nodal Analysis • Mesh Analysis • Ohm’s Law • Voltage Divider • Series and Parallel Circuits • RLC Resonance INTERACTIVE CIRCUIT SIMULATIONS Explore electronics with interactive simulations that help you understand circuit behavior. • Buck Converter Simulation • Boost Converter Simulation • Sawtooth Generator Circuit • AND, OR, NAND and NOR Gate Simulations • Shift Register Simulations • Multiplexer (MUX) • Demultiplexer (DEMUX) • Counter IC • PISO and SIPO Simulations POWER ELECTRONICS • Buck Converter Calculator • Boost Converter Calculator • Buck and Boost Simulations DIGITAL ELECTRONICS • Karnaugh Map • Decimal to Binary Converter • Logic Gate Simulations • Multiplexer and Demultiplexer • Counter IC • Shift Registers • PISO and SIPO OP AMP & ANALOG ELECTRONICS • Inverting Amplifier • Non-Inverting Amplifier • Differential Amplifier • Summing Amplifier • Integrator • Differentiator • Comparator • Schmitt Trigger TRANSISTOR, MOTOR & AMPLIFIER TOOLS • Transistor Amplifier Calculator • Transistor Design Tools • Motor Calculations • Stepper Motor Tools • Servo Motor Tools • Power Dissipation FILTER DESIGN • Sallen-Key Active Filters • Butterworth Filters • Chebyshev Filters • Bessel Filters • Band-Pass Filters • Band-Reject Filters • Crossover Filters Graphical visualization is available for supported filter calculations. RESISTOR, CAPACITOR & INDUCTOR TOOLS • Resistor Colour Code • SMD Resistor Code • Resistors in Series and Parallel • Resistor Ratio • LED Series Resistor • Star-Delta / Delta-Star Converter • Pi, Tee and Bridged-Tee Attenuators • Capacitors in Series and Parallel • Capacitor Charge • Capacitor Code • Capacitive Reactance • Inductive Reactance • Inductor Design OTHER ELECTRONICS TOOLS • 555 Timer — Astable and Monostable • Adjustable Voltage Regulator • PCB Trace Width Calculator • Microstrip Trace Width and Impedance • Skin Depth • Coaxial Cable Impedance • Power Calculator • Decibel Converter • Decibel to Watt and Watt to Decibel Electronic Circuit Calculator is useful for circuit analysis, circuit theory, electronic design, electrical calculations, digital electronics, power electronics, filter design, transistor calculations, op amp calculations, and electronics engineering study. Whether you are solving Thevenin, Norton, KCL, KVL, nodal or mesh problems, designing filters and amplifiers, or experimenting with digital ICs and converter simulations, the app brings your essential electronics tools together in one place. Calculate circuits. Analyze networks. Simulate electronics. Learn by interacting.

About

DX641升级工具

Features
Read full description

DX641升级工具用于配合多协 DX641 系列设备,在 iPhone/iPad 上通过蓝牙连接设备,完成固件升级与基础配置。 主要功能: • 搜索并连接附近的 DX641 设备 • 查看设备当前固件版本与设备信息 • 下载并安装官方固件,完成安全升级

Screenshots

Electronic Circuit Calculator4 screens
DX641升级工具3 screens

Verdict

The call

The clearest difference is in-app purchases: DX641升级工具 at none against Electronic Circuit Calculator's 1. DX641升级工具 also leads on ads (none vs shown) and update cadence (weekly vs every 2 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. Electronic Circuit Calculator sells 1 one-off in-app purchase. DX641升级工具 asks for nothing beyond the download.

UpkeepUpdate frequency

Electronic Circuit Calculator ships an update every 2 months, DX641升级工具 weekly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Electronic Circuit Calculator versus DX641升级工具: the parameters behind the verdict, then further details
ParameterElectronic Circuit CalculatorDX641升级工具
PriceFreeFree
Rating4.0 (5 ratings) — better—
Positive reviews11.1% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size37 MB24 MB
Age rating4+4+
DeveloperAnas Abubakar杭州多协信息技术有限公司

In-app purchases

1 purchases

Electronic Circuit Calculator

One-time1
  • Upgrade to the Pro version$3.99
None

DX641升级工具

No in-app purchases

Questions

Is Electronic Circuit Calculator free?
Electronic Circuit Calculator is free to download, with in-app purchases available.
Is DX641升级工具 free?
DX641升级工具 is free to download, with no in-app purchases.
Do Electronic Circuit Calculator or DX641升级工具 have ads?
Electronic Circuit Calculator shows ads; DX641升级工具 does not.
Which is updated more often, Electronic Circuit Calculator or DX641升级工具?
Electronic Circuit Calculator ships an update every 2 months, and DX641升级工具 weekly. Most recently, Electronic Circuit Calculator was updated on November 6, 2026 and DX641升级工具 on October 31, 2026.

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