# LoCAD vs Math workout brain puzzle

The clearest difference is price: Math workout brain puzzle at Free against LoCAD's $1.99. Math workout brain puzzle also leads on in-app purchases (none vs 1). LoCAD's advantage is ads (none vs shown) and update cadence (fortnightly vs every 31 months). On device support and iOS requirement there is nothing between them.

Math workout brain puzzle is free to download; LoCAD costs $1.99 up front. LoCAD sells 1 one-off in-app purchase. Math workout brain puzzle asks for nothing beyond the download.

LoCAD ships an update fortnightly, Math workout brain puzzle every 31 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | LoCAD | Math workout brain puzzle |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/locad/id909593998/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 31 months |
| Monetization | Paid | — |
| Size | 13 MB | 10 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Karl-Heinz Loch](https://appshunter.io/developer/909594001) | [Merbin Joe](https://appshunter.io/developer/1281696078) |

## 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 |


### Math workout brain puzzle

[App page](https://appshunter.io/ios/app/math-workout-brain-puzzle/id1574342689)

**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 Math workout brain puzzle free?

Math workout brain puzzle is free to download, with no in-app purchases.

### Do LoCAD or Math workout brain puzzle have ads?

Math workout brain puzzle shows ads; LoCAD does not.

### Which is updated more often, LoCAD or Math workout brain puzzle?

LoCAD ships an update fortnightly, and Math workout brain puzzle every 31 months. Most recently, LoCAD was updated on October 24, 2026 and Math workout brain puzzle on October 12, 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.*