Electrical Calculator vs Voltcraft VC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electrical Calculator
This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.
- Over 65 electrical calculation tools
- Resistor color code calculators
- Upgraded voltage drop calculations
- Wire size calculations
- Series/parallel circuit calculations
- Energy cost calculator
- Unit conversions
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Electrical Calculator is your all-in-one app for fast, accurate, and essential electrical calculations. Packed with 60+ powerful tools, it's designed for electricians, electrical & electronics engineers, and students. Every calculator includes built-in formulas and supports both USCS and SI units. What's New: • Category filters — find any calculator in seconds with purpose-based groups: Ohm's Law, Wiring & NEC, Power & Phase, Motors, Transformers and more • Refreshed design with a cleaner look Core Calculators: • Voltage, Current, Resistance & Power (Ohm's Law) • kVA to Amps / Amps to kVA (Single & Three Phase) Electrical System Calculators: • Voltage Drop Calculator (per NEC/IEEE standards) • Wire Size Calculations (AWG & mm²) • Power, Current & Horsepower (DC, Single & Three Phase) • Efficiency & Power Factor Calculators • Neutral Current (3-Phase Unbalanced Loads) Transformers & Generators: • Transformer Current, Voltage & Resistance Imbalance • DC Generator Reactance & Impedance: • Inductive & Capacitive Reactance • Resonant Frequency • Characteristic Impedance (Parallel & Coaxial) • Impedance Calculators (R-L-C combinations) Series / Parallel Calculations: • Resistance, Inductance & Capacitance (Series & Parallel) • Unknown Resistance & Capacitance (Series & Parallel) Components: • Resistor Color Code — resistance to color bands and back • Inductor & Capacitor Sizing Formulas Lighting & Energy Tools: • Luminous Intensity, Luminous Flux & Solid Angle • Energy Cost Calculator • Energy Stored in Resistors, Inductors & Capacitors Conversions: • Star ↔ Delta Conversion • Field Strength & Electrical Potential • Resistance, Resistivity, Conductance & Conductivity • Capacitance, Inductance & Charge Density Converters • Power Converter Key Features: • Category filters for fast navigation • Flexible unit selection for inputs and outputs • Full iPad support with split view • Dark Mode and 12 languages • Clean interface for the field, the shop, and the classroom
Voltcraft VC
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Compatible with Voltcraft's VC-41 Series socket tester, the App allows the user to: • Stream data to iPhone or iPad internal memory, with real-time remote viewing • Adjust sample rate • Export data in Excel® format • Share data files directly from application • Take snapshots of the measurement area with the connected iPhone or iPad camera • Store over 15k readings with the VC-41 wireless datalogging module, for download to Phone or Tablet, with programmable datalogger file size
Screenshots
Verdict
The clearest difference is price: Voltcraft VC at Free against Electrical Calculator's $3.99. Voltcraft VC also leads on iOS requirement (11.0 vs 17.6). On update cadence, ads, in-app purchases 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
Voltcraft VC is free to download; Electrical Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Electrical Calculator ships an update every 4 months, Voltcraft VC every 2 months. The most recent releases landed on September 28, 2026 and September 15, 2026 respectively.
| Parameter | Electrical Calculator | Voltcraft VC |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.6 (462 ratings) — better | — |
| Positive reviews | 53.3% of reviews | — |
| Number of ratings | 462 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 13 MB |
| Age rating | 4+ | 17+ |
| Developer | V PUGAZHENTHI | CEI Conrad Electronic International (HK) Limited |
Bugs and requests
Electrical Calculator
Reported bugs
3 issues- Annoying popup for app update
- Converter not working
- App not working on older iPhone models
Requested features
2 requests- Include impedance calculators
- Improve metric region compatibility for AWG cables
Voltcraft VC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Electrical Calculator
No in-app purchases
Voltcraft VC
No in-app purchases
Questions
Is Electrical Calculator free?
Is Voltcraft VC free?
Do Electrical Calculator or Voltcraft VC have ads?
Which is updated more often, Electrical Calculator or Voltcraft VC?
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