# Easy Ohm's Law vs Circuitry

The clearest difference is rating: Circuitry at 3.8 against Easy Ohm's Law's 1.5. Circuitry also leads on in-app purchases (none vs 1) and ratings volume (157 vs 2). Easy Ohm's Law's advantage is review sentiment (69% vs 51%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Easy Ohm's Law sells 1 one-off in-app purchase. Circuitry asks for nothing beyond the download.

Circuitry holds the better App Store score, 3.8 against 1.5. That said, the two scores are not equally well evidenced: Circuitry has 157 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 69% of Easy Ohm's Law's written reviews are positive against 51% of Circuitry's, so the app with the better star average is not the one people write more warmly about.

Easy Ohm's Law ships an update every 3 months, Circuitry every 4 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Easy Ohm's Law | Circuitry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/easy-ohms-law/id814088524/reviews) | **[3.8 (157 ratings)](https://appshunter.io/ios/app/circuitry-3d-circuit-builder/id1476733898/reviews)** |
| Number of ratings | 2 | **157** |
| Positive reviews | **69.2% of reviews** | 51.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 35 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Raffael Kaehn](https://appshunter.io/developer/1234032836) |

## What reviewers say

### Easy Ohm's Law

[App page](https://appshunter.io/ios/app/easy-ohms-law/id814088524)

This app helps you calculate voltage, current, resistance, and power. Simply input any two values, and the rest will be automatically computed with adjusted units. It supports a wide range of languages for global accessibility.

**Highlights:** Calculate voltage, current, resistance, and power, Automatic unit adjustment, Input any two values for instant calculation, Supports 21 languages, Available on iPhone and iPad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro feature | $1.99 | one-time |


### Circuitry

[App page](https://appshunter.io/ios/app/circuitry-3d-circuit-builder/id1476733898)

Build and simulate electronic circuits in an intuitive 3D environment. This app offers lightning-fast analysis and a user-friendly interface, making complex engineering accessible. Circuits are saved as documents for easy sharing and management across devices.

**Highlights:** 3D circuit building, GPU-accelerated analysis, Intuitive 3D interface, Document-based circuit files, Component placement and connection, Resistor, voltage source, light bulb components

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Cool game idea
- 👍 Nice and 3D interface
- 🚀 Easy to use and perfect 3D
- 👍 Fun and simple
- 👍 Beautifully visual and interactive

**What reviewers complain about**

- 😞 Missing many components
- 😞 Limited functionality
- 😞 Not useful for professional work
- 😞 Inaccurate electrical simulation
- 😞 App is broken/crashes

**Reported bugs**

- App crashes on launch
- App doesn't work after download
- Blank white screen on opening
- App won't open, only shows a folder
- Lights won't turn on

**Requested features**

- Add more components (diodes, transistors, capacitors, inductors, speakers, microphones, resistors, switches, LEDs, displays, transformers)
- Add labels/names for components
- Add intensity and voltage for cables
- Add undo/redo buttons
- Add tutorials or guidance videos


## Frequently asked questions

### Is Easy Ohm's Law free?

Easy Ohm's Law is free to download, with in-app purchases available.

### Is Circuitry free?

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

### Which has better reviews, Easy Ohm's Law or Circuitry?

Circuitry is rated higher. Easy Ohm's Law averages 1.5 out of 5 from 2 ratings, while Circuitry averages 3.8 from 157 ratings.

### Do Easy Ohm's Law or Circuitry have ads?

Neither Easy Ohm's Law nor Circuitry shows ads.

### Which is updated more often, Easy Ohm's Law or Circuitry?

Easy Ohm's Law ships an update every 3 months, and Circuitry every 4 months. Most recently, Easy Ohm's Law was updated on November 1, 2026 and Circuitry on November 6, 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.*