# Signify Interact Builder vs iMarq CAD

The clearest difference is update cadence: Signify Interact Builder at monthly against iMarq CAD's every 2 months. iMarq CAD's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Signify Interact Builder ships an update monthly, iMarq CAD every 2 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Signify Interact Builder | iMarq CAD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/signify-interact-builder/id1353793570/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 130 MB | 62 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Signify Netherlands B.V.](https://appshunter.io/developer/979064009) | [Connixt Inc](https://appshunter.io/developer/974117708) |

## What reviewers say

### Signify Interact Builder

[App page](https://appshunter.io/ios/app/signify-interact-builder/id1353793570)

This application allows installers to commission and test lighting systems, and business owners to manage their lighting infrastructure. It is designed for the Interact Pro system, offering comprehensive control and management capabilities.

**Highlights:** Lighting commissioning, Lighting system testing, Lighting system management, Interact Pro system compatibility, Installer tools, Business owner controls

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

**In-app purchases:** none


### iMarq CAD

[App page](https://appshunter.io/ios/app/imarq-cad/id1626345354)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Signify Interact Builder free?

Signify Interact Builder is free to download, with no in-app purchases.

### Is iMarq CAD free?

iMarq CAD is free to download, with no in-app purchases.

### Do Signify Interact Builder or iMarq CAD have ads?

Neither Signify Interact Builder nor iMarq CAD shows ads.

### Which is updated more often, Signify Interact Builder or iMarq CAD?

Signify Interact Builder ships an update monthly, and iMarq CAD every 2 months. Most recently, Signify Interact Builder was updated on October 6, 2026 and iMarq CAD on October 9, 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.*