iSmith vs Electrical & Solar Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSmith
This app helps users understand impedance matching principles. It allows for reading key network parameters from a Smith chart and calculating various matching networks and pads. Users can also convert between different power and voltage units.
- Read Smith chart parameters (Z, Y, VSWR, Q, Gamma)
- Calculate 8 L-matching networks
- Calculate T & Pi matching pads
- Set matching targets on Smith chart
- Learn impedance matching principles
- dBm, Watts, and Volts conversion
- VSWR conversion
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Features: - Read out Z, Y, VSWR, Q and Gamma from smith chart. - Calculate 8 L-matching networks. - Set matching target by touching smith chart. - Calculate T & Pi matching pad. - Learn the principle of impedance matching. - dBm, Watts and Volts conversion - VSWR Conversion
Electrical & Solar Calculator
This app provides a suite of tools for electricians, engineers, and solar installers to quickly solve common electrical design and installation problems. It covers wire sizing, voltage drop, circuit breaker sizing, motor calculations, and solar system planning.
- Resistor, capacitor, and inductor circuit calculations
- Wire sizing and voltage drop analysis
- Circuit breaker and transformer sizing
- Motor wiring and power factor correction
- Solar system planning tools
- Customizable units (metric/imperial)
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ElectricCalc Pro is a practical electrical calculator app designed for electricians, electrical engineers, technicians, solar installers, students, and hobbyists. It helps you quickly solve common electrical design and installation problems, including wire sizing, voltage drop, circuit breaker sizing, transformer sizing, motor wiring, resistor and capacitor circuits, and solar system planning. Key Features: Resistor Circuit Calculations Calculate series, parallel, and combination resistor circuits with ease. Capacitor Circuit Calculations Solve series, parallel, and combination capacitor circuits quickly. Inductor Circuit Calculations Work with series and parallel inductor circuits for electrical and electronics projects. Wire Sizing Find the correct wire size or cable size based on load, distance, current, voltage, and installation requirements. Voltage Drop Analysis Calculate voltage drop to help maintain efficient and reliable circuit performance. Circuit Breaker Sizing Choose suitable breaker ratings for safer electrical installations. Transformer Sizing Calculate transformer capacity, current, voltage, and power requirements for electrical systems. Motor Wiring and Motor Calculations Analyze motor current, power, efficiency, horsepower, wiring requirements, and other important motor parameters. Power Factor Correction Calculate capacitor requirements and improve electrical system efficiency. Solar Installation Tools Plan solar electrical systems with helpful calculators for solar panels, batteries, inverters, charge controllers, cable sizing, and related installation needs. Customizable Units Switch between metric and imperial units for flexible calculations. ElectricCalc Pro is built to make electrical calculations faster, clearer, and more reliable. Whether you are working on residential wiring, electrical installation, solar setup, transformer sizing, motor wiring, or circuit design, ElectricCalc Pro gives you useful tools you can use on the spot.
Screenshots
Verdict
The clearest difference is in-app purchases: iSmith at none against Electrical & Solar Calculator's 1. iSmith also leads on update cadence (every 2 days vs weekly). On price, ads, 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
Both are free to download. Electrical & Solar Calculator sells 1 one-off in-app purchase. iSmith asks for nothing beyond the download.
iSmith ships an update every 2 days, Electrical & Solar Calculator weekly. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.
| Parameter | iSmith | Electrical & Solar Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryoun Chon Shin | Anas Abubakar |
Customer experience
iSmith
Electrical & Solar Calculator
In-app purchases
iSmith
No in-app purchases
Electrical & Solar Calculator
- Pro ID$2.99
Questions
Is iSmith free?
Is Electrical & Solar Calculator free?
Do iSmith or Electrical & Solar Calculator have ads?
Which is updated more often, iSmith or Electrical & Solar Calculator?
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