Electrical Calculator vs Ohm's Law+
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
Ohm's Law+
This utility app simplifies electrical calculations with a clean interface. Input any two values (voltage, current, resistance, or power) to instantly solve for the remaining ones. It also includes a resistor color code calculator and a home screen widget for quick access.
- Electrical calculations
- Resistor color code calculator
- Home screen widget
- Sleek Liquid Glass interface
- Accurate and fast
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Make electrical calculations effortless with Ohm’s Law+, designed for iOS 26 with a sleek Liquid Glass interface. Whether you’re a student, hobbyist, or engineer, simply enter any two known values—voltage, current, resistance, or power—and instantly solve for the rest. • Resistor Color Code Calculator – Quickly decode resistor values with an intuitive color-band layout. • Home Screen Widget – Jump straight to the calculator or resistor tool with a single tap. • Liquid Glass Design – A smooth, modern interface built for iOS 26. • Accurate. Fast. Simple. – Designed for clarity, precision, and speed. No Ads. No Clutter.
Screenshots
Verdict
The clearest difference is update cadence: Ohm's Law+ at daily against Electrical Calculator's every 4 months. Ohm's Law+ also leads on rating (5.0 vs 4.6) and price ($0.99 vs $3.99). Electrical Calculator's advantage is ratings volume (462 vs 2) and iOS requirement (17.6 vs 26.0). On 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
Electrical Calculator costs $3.99 and Ohm's Law+ $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ohm's Law+ holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Calculator has 462 ratings behind it against 2, so its average is the more settled of the two.
Electrical Calculator ships an update every 4 months, Ohm's Law+ daily. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Electrical Calculator | Ohm's Law+ |
|---|---|---|
| Price | $3.99 | $0.99 — better |
| Rating | 4.6 (462 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 53.3% of reviews | — |
| Number of ratings | 462 — better | 2 |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 18 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | V PUGAZHENTHI | Kanz Studios |
Customer experience
Electrical Calculator
Ohm's Law+
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
Ohm's Law+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Electrical Calculator
No in-app purchases
Ohm's Law+
No in-app purchases
Questions
Is Electrical Calculator free?
Is Ohm's Law+ free?
Which has better reviews, Electrical Calculator or Ohm's Law+?
Do Electrical Calculator or Ohm's Law+ have ads?
Which is updated more often, Electrical Calculator or Ohm's Law+?
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