# Simple Circuit Builder vs Electronic Component Codes

The clearest difference is review sentiment: Simple Circuit Builder at 53% against Electronic Component Codes's 0%. Simple Circuit Builder also leads on ads (none vs shown) and monetization model (free vs ad-supported). 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.

Simple Circuit Builder ships an update every 3 weeks, Electronic Component Codes every 6 weeks. The most recent releases landed on June 4, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Simple Circuit Builder | Electronic Component Codes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (28 ratings)](https://appshunter.io/ios/app/simple-circuit-builder/id1294616098/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | **52.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 14 MB | 9 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Simple Circuit Builder

[App page](https://appshunter.io/ios/app/simple-circuit-builder/id1294616098)

This virtual lab offers a hands-on experience for learning about resistors and circuit resistance. Easily build and test series and parallel circuits, measure voltage and current, and understand the impact of component changes in real-time.

**Highlights:** Build circuits with up to eight components, Five component types, Virtual volt and amp meters, Adjustable resistor and voltage values, Real-time circuit analysis, Demonstrates 'Opens' and 'Shorts'

**Features:** macOS Compatibility

**In-app purchases:** none


### Electronic Component Codes

[App page](https://appshunter.io/ios/app/electronic-component-codes/id1670579756)

Quickly identify electronic component values using color codes and SMD markings. This utility supports resistors, capacitors, and inductors, offering detailed explanations and standard value charts.

**Highlights:** Resistor color code calculator, SMD resistor code lookup, Capacitor code identification, Inductor color code guide, E-series value charts, Detailed help sections

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Circuit Builder free?

Simple Circuit Builder is free to download, with no in-app purchases.

### Is Electronic Component Codes free?

Electronic Component Codes is free to download, with no in-app purchases.

### Do Simple Circuit Builder or Electronic Component Codes have ads?

Electronic Component Codes shows ads; Simple Circuit Builder does not.

### Which is updated more often, Simple Circuit Builder or Electronic Component Codes?

Simple Circuit Builder ships an update every 3 weeks, and Electronic Component Codes every 6 weeks. Most recently, Simple Circuit Builder was updated on June 4, 2026 and Electronic Component Codes on September 16, 2026.

---

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