# Ohms Law vs Elitech Tools

The clearest difference is review sentiment: Ohms Law at 70% against Elitech Tools's 17%. Ohms Law also leads on rating (4.3 vs 2.7) and iOS requirement (12.0 vs 15.0). Elitech Tools's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 16 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ohms Law holds the better App Store score, 4.3 against 2.7. Both are backed by a comparable volume of ratings — 7 and 30 respectively. Written reviews point the same way: 70% of Ohms Law's written reviews are positive against 17% of Elitech Tools's.

Ohms Law ships an update every 16 months, Elitech Tools every 3 weeks. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Ohms Law | Elitech Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/ohms-law/id590727537/reviews)** | [2.7 (30 ratings)](https://appshunter.io/ios/app/elitech-tools/id1552808829/reviews) |
| Number of ratings | 7 | **30** |
| Positive reviews | **70.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 96 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Elitech Technology,Inc.](https://appshunter.io/developer/1455057713) |

## What reviewers say

### Ohms Law

[App page](https://appshunter.io/ios/app/ohms-law/id590727537)

This utility app calculates voltage, current, resistance, and power using Ohm's Law. Simply input any two values, and the app will compute the remaining two, providing a comprehensive tool for electrical calculations.

**Highlights:** Calculate Voltage, Calculate Current, Calculate Resistance, Calculate Power, Input two values to find others

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Elitech Tools

[App page](https://appshunter.io/ios/app/elitech-tools/id1552808829)

This app facilitates measurements for HVAC systems using compatible Bluetooth-enabled Elitech products. It offers real-time data visualization, report generation, and automated calculations for technicians. Build flexible measurement systems with ease.

**Highlights:** Bluetooth connectivity with Elitech HVAC products, Real-time measurement graphs, System analysis and report generation, Automated superheating and subcooling calculations, Leak testing with pressure curve analysis, OTA firmware updates for compatible models

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ohms Law free?

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

### Is Elitech Tools free?

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

### Which has better reviews, Ohms Law or Elitech Tools?

Ohms Law is rated higher. Ohms Law averages 4.3 out of 5 from 7 ratings, while Elitech Tools averages 2.7 from 30 ratings.

### Do Ohms Law or Elitech Tools have ads?

Ohms Law shows ads; Elitech Tools does not.

### Which is updated more often, Ohms Law or Elitech Tools?

Ohms Law ships an update every 16 months, and Elitech Tools every 3 weeks. Most recently, Ohms Law was updated on October 14, 2026 and Elitech Tools on October 21, 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.*