# Simple Circuit Builder vs Circuit Simulator Q

The clearest difference is review sentiment: Simple Circuit Builder at 53% against Circuit Simulator Q's 0%. Simple Circuit Builder also leads on rating (4.0 vs 2.7) and in-app purchases (none vs 2). Circuit Simulator Q's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Circuit Simulator Q sells 2 in-app purchases, starting at $4.99 per 7 days. Simple Circuit Builder asks for nothing beyond the download.

Simple Circuit Builder holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: Simple Circuit Builder has 28 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 53% of Simple Circuit Builder's written reviews are positive against 0% of Circuit Simulator Q's.

Simple Circuit Builder ships an update every 3 weeks, Circuit Simulator Q every 2 days. The most recent releases landed on June 4, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Simple Circuit Builder | Circuit Simulator Q |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (28 ratings)](https://appshunter.io/ios/app/simple-circuit-builder/id1294616098/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/circuit-simulator-q/id6742368702/reviews) |
| Number of ratings | **28** | 3 |
| Positive reviews | **52.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 190 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Ali Mert TUFEKCI](https://appshunter.io/developer/1483311309) |

## 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


### Circuit Simulator Q

[App page](https://appshunter.io/ios/app/circuit-simulator-q/id6742368702)

Design and simulate complex digital logic circuits with an intuitive interface. Explore basic gates, build counters, ALUs, and even create your own processors. This tool brings your digital electronics ideas to life.

**Highlights:** Advanced circuit design, Qnet netlist algorithm, Build counter circuits and flip-flops, Construct Arithmetic Logic Units (ALUs), Design custom processors

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is Simple Circuit Builder free?

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

### Is Circuit Simulator Q free?

Circuit Simulator Q is free to download, with in-app purchases available.

### Which has better reviews, Simple Circuit Builder or Circuit Simulator Q?

Simple Circuit Builder is rated higher. Simple Circuit Builder averages 4.0 out of 5 from 28 ratings, while Circuit Simulator Q averages 2.7 from 3 ratings.

### Do Simple Circuit Builder or Circuit Simulator Q have ads?

Neither Simple Circuit Builder nor Circuit Simulator Q shows ads.

### Which is updated more often, Simple Circuit Builder or Circuit Simulator Q?

Simple Circuit Builder ships an update every 3 weeks, and Circuit Simulator Q every 2 days. Most recently, Simple Circuit Builder was updated on June 4, 2026 and Circuit Simulator Q on September 19, 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.*