# Logic Circuits Simulator vs Circuit Design

The clearest difference is price: Circuit Design at Free against Logic Circuits Simulator's $0.99. Logic Circuits Simulator's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 2 months). On ads and device support there is nothing between them.

Circuit Design is free to download; Logic Circuits Simulator costs $0.99 up front. Circuit Design sells 3 in-app purchases, starting at $7.99 per month. Logic Circuits Simulator asks for nothing beyond the download.

Logic Circuits Simulator ships an update every 3 weeks, Circuit Design every 2 months. The most recent releases landed on September 29, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Logic Circuits Simulator | Circuit Design |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abdulhakim Aloraini](https://appshunter.io/developer/1825542423) | [Tu Anh Do](https://appshunter.io/developer/738947045) |

## What reviewers say

### Logic Circuits Simulator

[App page](https://appshunter.io/ios/app/logic-circuits-simulator/id6748374538)

Design and simulate digital logic circuits with standard gates, sequential logic, and Karnaugh maps. Features schematic-quality wire routing and reusable custom chips. Export truth tables and circuit designs for reports and sharing.

**Highlights:** IEEE-standard logic gates, Sequential logic simulation, Karnaugh map minimization, Schematic-quality wire routing, Reusable custom chips, Truth table generation, iCloud sync across devices

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

**In-app purchases:** none


### Circuit Design

[App page](https://appshunter.io/ios/app/circuit-design/id6776538242)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Circuit Design Premium Monthly | $7.99 | per month |
| Circuit Design Premium Yearly | $29.99 | per year |
| Circuit Design Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Logic Circuits Simulator free?

Logic Circuits Simulator costs $0.99, with no in-app purchases.

### Is Circuit Design free?

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

### Do Logic Circuits Simulator or Circuit Design have ads?

Neither Logic Circuits Simulator nor Circuit Design shows ads.

### Which is updated more often, Logic Circuits Simulator or Circuit Design?

Logic Circuits Simulator ships an update every 3 weeks, and Circuit Design every 2 months. Most recently, Logic Circuits Simulator was updated on September 29, 2026 and Circuit Design on August 22, 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.*