# LoCAD vs Logic

The clearest difference is review sentiment: LoCAD at 71% against Logic's 0%. LoCAD also leads on price ($1.99 vs $5.99) and update cadence (fortnightly vs every 5 weeks). Logic's advantage is in-app purchases (none vs 1). On ads, monetization model, device support and iOS requirement there is nothing between them.

LoCAD costs $1.99 and Logic $5.99 up front. LoCAD sells 1 one-off in-app purchase. Logic asks for nothing beyond the download.

LoCAD ships an update fortnightly, Logic every 5 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | LoCAD | Logic |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/locad/id909593998/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 13 MB | 31 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Karl-Heinz Loch](https://appshunter.io/developer/909594001) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## 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 |


### Logic

[App page](https://appshunter.io/ios/app/logic-gate-design-pro/id1618899218)

Design, analyze, and simplify logic gate networks. Generate truth tables, find minimized boolean expressions, and optimize circuits. Supports forward and reverse engineering with beautiful, shareable diagrams. Includes a study tab for boolean algebra.

**Highlights:** Design logic gate networks, Analyze and simplify boolean expressions, Generate truth tables, Simulate logic circuits, Forward and reverse engineering, Generate waveform diagrams, Boolean algebra study tab

**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 Logic free?

Logic costs $5.99, with no in-app purchases.

### Do LoCAD or Logic have ads?

Neither LoCAD nor Logic shows ads.

### Which is updated more often, LoCAD or Logic?

LoCAD ships an update fortnightly, and Logic every 5 weeks. Most recently, LoCAD was updated on October 24, 2026 and Logic on October 11, 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.*