Ohmulator

Name: Ohmulator
Price: 0.99 USD
Rating: 4.7 (76 reviews)
Author: Armchair Engineering

By: Armchair Engineering

Ohm's Law Calculator

Features & Capabilities

Ohmulator is a simple, yet robust, Ohm's Law calculator for Chrome. It lets you quickly find the unknowns in a circuit by entering two known variables and adjusting units on the fly.

Enter two knowns (I = Current, R = Resistance, V = Voltage, P = Power) and choose unit types like milliamps, amps, or kiloamps. Ohmulator computes the remaining values and provides a total resistance calculator for quick circuit analysis.

User Growth & Download Statistics

App Education Programming Developer Tools

By:

Armchair Engineering

Rating:

4.70

(76) 0.20

Version:

2.2.1 Last updated: 2019-12-07

Version code:

833902114

Creation date:

2010-10-26

Compatible devices:

Size:

4.78MB

Price:

0.99

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-05

Compare stats and ranking:

Ranking

# 164,689 ▲ 102,839

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Armchair Engineering

Apple Apps Store

https://apps.apple.com/us/app/ohmulator/id398901336

Website:

https://www.armchairengineering.com

User Reviews

Users praise Ohmulator for its simple, clean interface and quick Ohm's law calculations (power, current). The app is valued for its variable units and practical use in HVAC, coil builds, and teaching electronics. However, reviewers consistently note missing features: no 3-phase calculations, no voltage drop calculations, and a desire for more algorithms. Some mention update-related usability changes. Overall, it’s a solid quick calculator with notable gaps for advanced use.

Pros

Simple, clean, and easy-to-use interface.
Great for quick Ohm's law calculations of power and current; practical for HVAC, coil builds, and electrical work.
Variable units/input options that make it flexible for different measurement scales.
Clear and educational tool that helps users understand relationships in electronics.

Cons

Lacks 3-phase calculations (no 3-phase support).
No built-in voltage drop calculations (voltage drop feature requested).
Could use more algorithms and functionality (additional calculation options).

Recent reviews

Great app while in school for HVAC

by ke*****, 2018-01-15

Could use way more algorithms though.

by El*****, 2017-08-24

Ohmulator does everything I need it to. I mostly use it for calculating power and current on my coil builds. Helps me ensure my mod doesn't turn into a pipe bomb!