# LoCAD vs LogicalArt Digital Circuit Sim

The clearest difference is price: LogicalArt Digital Circuit Sim at Free against LoCAD's $1.99. LoCAD's advantage is rating (4.5 vs 4.0) and review sentiment (71% vs 50%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

LogicalArt Digital Circuit Sim is free to download; LoCAD costs $1.99 up front. LoCAD sells 1 one-off in-app purchase and LogicalArt Digital Circuit Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LoCAD holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 71% of LoCAD's written reviews are positive against 50% of LogicalArt Digital Circuit Sim's.

LoCAD ships an update fortnightly, LogicalArt Digital Circuit Sim every 2 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | LoCAD | LogicalArt Digital Circuit Sim |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/locad/id909593998/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/logicalart-digital-circuit-sim/id1536767149/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **71.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 13 MB | 13 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPad, Mac | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Karl-Heinz Loch](https://appshunter.io/developer/909594001) | [CrazyLazy OU](https://appshunter.io/developer/1488751385) |

## What reviewers say

### LoCAD

[App page](https://appshunter.io/ios/app/locad/id909593998)

Design and simulate digital logic circuits with an emphasis on simple creation and graphical visualization. Easily wire elements, observe current flow, and understand state changes to improve comprehension and fault detection. Create custom integrated circuits for complex, organized designs.

**Highlights:** Digital circuit design, Logic simulation, Graphical visualization, Simple element wiring, Custom IC creation, State change observation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


### LogicalArt Digital Circuit Sim

[App page](https://appshunter.io/ios/app/logicalart-digital-circuit-sim/id1536767149)

Build and analyze digital logic circuits interactively. Design complex systems from basic gates to complete processors without physical hardware. Share your creations and deepen your understanding of computer architecture.

**Highlights:** Interactive logic gate simulation, Build complex circuits from basic gates, Design processors and computer systems, Frequency generator and number display, Schematic diagram export, Package designs as chips, Share circuit designs

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | one-time |


## Frequently asked questions

### Is LoCAD free?

LoCAD costs $1.99, and also offers in-app purchases.

### Is LogicalArt Digital Circuit Sim free?

LogicalArt Digital Circuit Sim is free to download, with in-app purchases available.

### Which has better reviews, LoCAD or LogicalArt Digital Circuit Sim?

LoCAD is rated higher. LoCAD averages 4.5 out of 5 from 2 ratings, while LogicalArt Digital Circuit Sim averages 4.0 from 4 ratings.

### Do LoCAD or LogicalArt Digital Circuit Sim have ads?

Neither LoCAD nor LogicalArt Digital Circuit Sim shows ads.

### Which is updated more often, LoCAD or LogicalArt Digital Circuit Sim?

LoCAD ships an update fortnightly, and LogicalArt Digital Circuit Sim every 2 weeks. Most recently, LoCAD was updated on October 24, 2026 and LogicalArt Digital Circuit Sim on October 18, 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.*