Apps by Adam Wilkie
Ohmly: Electrical Calculator app icon

Utilities

Ohmly: Electrical Calculator

Adam Wilkie

Free No in-app purchases
Open on Apple

About this app

Your electrical toolkit, redesigned for speed. 26 pro tools, one clean app. Ohmly is the modern electrical calculator for electricians, students, and engineers. Solve VIRP calculations, decode resistor and SMD codes, check voltage drop, size conductors, design circuits, and keep your work organized—without ads. 26 PRO TOOLS • Ohm's law, resistor color code, SMD resistor code • Series/parallel resistance, voltage divider, LED resistor • Reactance, resonance, AC impedance, power factor • RC/RL/LC filters, decibels, op-amp gain, 555 timer • Voltage drop, wire gauge/AWG, three-phase power • Motor FLA, conduit fill, short-circuit current • Transformer ratio, LM317 regulator • Capacitor code, inductor color code, PCB trace width • Heat sink thermal resistance and battery life WHY OHMLY • Clean light and dark modes with no ads • Shared display metrics across every tool • Save, label, and search calculations • Export multi-calculation PDF reports • Home Screen, Lock Screen, and StandBy widgets • Full Apple Watch companion Unlock Pro with a lifetime purchase or a low monthly plan. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Latest release

What’s New

Version 2.0.0 Jul 26, 2026

Version 2.0 is a full relaunch: a redesigned calculator, 26-tool Pro toolkit, saved history, PDF reports, learning references, widgets, Apple Watch support, display metrics, tool search, and 16 brand-new circuit and field calculators. Every calculator received an accuracy pass against third-party references.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 7, 2026 · 0 ratings Aug 7, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 7, 2026 · Free Aug 7, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 7, 2026 · 8:23 PM Free

Screenshots

Ohmly: Electrical Calculator iPhone screenshotOhmly: Electrical Calculator iPhone screenshotOhmly: Electrical Calculator iPhone screenshot Ohmly: Electrical Calculator iPad screenshotOhmly: Electrical Calculator iPad screenshotOhmly: Electrical Calculator iPad screenshotOhmly: Electrical Calculator iPad screenshotOhmly: Electrical Calculator iPad screenshot