# Ohmulator vs DOE Triage

The clearest difference is price: DOE Triage at Free against Ohmulator's $0.99. Ohmulator's advantage is iOS requirement (10.0 vs 12.2). On update cadence, ads, in-app purchases and device support there is nothing between them.

DOE Triage 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, DOE Triage every 5 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ohmulator | DOE Triage |
| --- | --- | --- |
| 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 5 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 105 MB |
| Requires iOS | **10.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [William Edwards](https://appshunter.io/developer/1595992618) |

## 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


### DOE Triage

[App page](https://appshunter.io/ios/app/doe-triage/id6742207366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ohmulator free?

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

### Is DOE Triage free?

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

### Do Ohmulator or DOE Triage have ads?

Neither Ohmulator nor DOE Triage shows ads.

### Which is updated more often, Ohmulator or DOE Triage?

Ohmulator ships an update every 2 months, and DOE Triage every 5 weeks. Most recently, Ohmulator was updated on October 29, 2026 and DOE Triage on October 30, 2026.

---

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