# Ohmulator vs Ohmly

The clearest difference is price: Ohmly at Free against Ohmulator's $0.99. Ohmly also leads on update cadence (every 3 weeks vs every 2 months). Ohmulator's advantage is iOS requirement (10.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Ohmly is free to download; Ohmulator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ohmulator ships an update every 2 months, Ohmly every 3 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Ohmulator | Ohmly |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (79 ratings)](https://appshunter.io/ios/app/ohmulator/id398901336/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 81.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Adam Wilkie](https://appshunter.io/developer/893612520) |

## What reviewers say

### Ohmulator

[App page](https://appshunter.io/ios/app/ohmulator/id398901336)

This electric circuit calculator simplifies Ohm's Law calculations. It allows users to input two known variables (current, resistance, voltage, or power) and automatically computes the unknown values. The app also supports on-the-fly unit adjustments, eliminating the need for manual conversions.

**Highlights:** Ohm's Law calculations, Calculate unknown variables, Adjustable unit types, Total resistance calculator, Supports Voltage, Current, Resistance, Power

**Features:** Vision Pro support

**In-app purchases:** none


### Ohmly

[App page](https://appshunter.io/ios/app/ohmly-electrical-calculator/id6447774551)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Ohmulator free?

Ohmulator costs $0.99, with no in-app purchases.

### Is Ohmly free?

Ohmly is free to download, with no in-app purchases.

### Do Ohmulator or Ohmly have ads?

Neither Ohmulator nor Ohmly shows ads.

### Which is updated more often, Ohmulator or Ohmly?

Ohmulator ships an update every 2 months, and Ohmly every 3 weeks. Most recently, Ohmulator was updated on October 9, 2026 and Ohmly on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*