# LoCAD vs Chip Simulator

The clearest difference is rating: LoCAD at 4.5 against Chip Simulator's 1.0. LoCAD also leads on review sentiment (71% vs 38%) and update cadence (fortnightly vs every 3 months). Chip Simulator's advantage is in-app purchases (none vs 1) and ratings volume (7 vs 2). On ads, monetization model and device support there is nothing between them.

LoCAD costs $1.99 and Chip Simulator $0.99 up front. LoCAD sells 1 one-off in-app purchase. Chip Simulator asks for nothing beyond the download.

LoCAD holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 71% of LoCAD's written reviews are positive against 38% of Chip Simulator's.

LoCAD ships an update fortnightly, Chip Simulator every 3 months. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | LoCAD | Chip Simulator |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/locad/id909593998/reviews)** | [1.0 (7 ratings)](https://appshunter.io/ios/app/chip-simulator/id1665510956/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | **71.4% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Paid | Paid |
| Size | 13 MB | 70 MB |
| Requires iOS | 14.7 | **11.0** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Karl-Heinz Loch](https://appshunter.io/developer/909594001) | [博 彭](https://appshunter.io/developer/1293268076) |

## 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

**In-app purchases (1)**

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


### Chip Simulator

[App page](https://appshunter.io/ios/app/chip-simulator/id1665510956)

Design and test digital logic circuits with this intuitive simulator. It's a great tool for students and hobbyists to learn and experiment with chip design and basic digital logic in real-time.

**Highlights:** Intuitive user interface, Design digital logic circuits, Test and debug chips, Real-time simulation, Learn digital logic basics, Experiment with circuit configurations

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

**In-app purchases:** none


## Frequently asked questions

### Is LoCAD free?

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

### Is Chip Simulator free?

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

### Which has better reviews, LoCAD or Chip Simulator?

LoCAD is rated higher. LoCAD averages 4.5 out of 5 from 2 ratings, while Chip Simulator averages 1.0 from 7 ratings.

### Do LoCAD or Chip Simulator have ads?

Neither LoCAD nor Chip Simulator shows ads.

### Which is updated more often, LoCAD or Chip Simulator?

LoCAD ships an update fortnightly, and Chip Simulator every 3 months. Most recently, LoCAD was updated on June 1, 2026 and Chip Simulator on September 25, 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.*