# TrueOhm — Electrical Calculator

> Electrical Calculator (iPhone/iPad app by Nicole Nalley.)

- Source: https://appshunter.io/ios/app/trueohm/id6772605137 (this page in markdown: same URL + `.md`)
- Developer: [Nicole Nalley](https://appshunter.io/developer/1894562817)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 2 MB
- Languages: American English
- Released: 2026-05-27
- Data updated: 2026-06-19
- User reviews in markdown: https://appshunter.io/ios/app/trueohm/id6772605137/reviews.md

## What is TrueOhm?

TrueOhm is a fast, free electrical calculator built for electricians, apprentices, and engineers.

Five powerful calculators in one app:

• Ohm's Law Wheel — Enter any two of voltage, current, resistance, or power and instantly solve the other two.

• AC Power — Calculate real power, apparent power, current, and voltage for single-phase and three-phase systems.

• Power Triangle — Solve the relationship between kW, kVAR, kVA, power factor, and phase angle.

• Energy Cost — Estimate energy consumption and cost for any load over any run time.

• Efficiency — Calculate motor or system efficiency from input and output power.

Every calculation shows its work — tap "How this was calculated" to see the exact formulas and substitutions used. Built-in sanity checks warn you about impossible values without blocking your workflow.

Designed for the field. No ads. No subscriptions. Just fast, accurate calculations from 509 Electric.


## Version history (last 1 release)

### 1.0 — 2026-05-27

No release notes.

## More apps by Nicole Nalley

- [TruePhase](https://appshunter.io/ios/app/truephase/id6771228149)
- [TrueFill: Conduit Fill](https://appshunter.io/ios/app/truefill-conduit-fill/id6772631228)

All apps by Nicole Nalley: https://appshunter.io/developer/1894562817

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-19.*