# Light + Building Navigator vs Roller Shutter Measure

The clearest difference is in-app purchases: Light + Building Navigator at none against Roller Shutter Measure's 2. Light + Building Navigator also leads on update cadence (every 3 months vs every 6 months). Roller Shutter Measure's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Roller Shutter Measure sells 2 in-app purchases, starting at $7.99 per month. Light + Building Navigator asks for nothing beyond the download.

Light + Building Navigator ships an update every 3 months, Roller Shutter Measure every 6 months. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Light + Building Navigator | Roller Shutter Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/light-plus-building-navigator/id489829570/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Ad-supported | — |
| Size | 83 MB | 45 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Messe Frankfurt GmbH](https://appshunter.io/developer/365706928) | [George Alexandrou](https://appshunter.io/developer/1875566334) |

## What reviewers say

### Light + Building Navigator

[App page](https://appshunter.io/ios/app/light-plus-building-navigator/id489829570)

This app serves as an official guide for trade fair visitors, offering exhibitor and product searches, networking tools, event schedules, and a fairground map. It helps attendees discover new business partners and manage their event experience.

**Highlights:** Exhibitor and product search, Networking with attendees, Interactive fairground map, Event schedules and watchlist, QR code scanner for contacts, Personalized favorites list

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

**In-app purchases:** none


### Roller Shutter Measure

[App page](https://appshunter.io/ios/app/roller-shutter-measure/id6761299802)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShutterSpec Pro | $7.99 | per month |
| ShutterSpec Pro | $59.99 | per year |


## Frequently asked questions

### Is Light + Building Navigator free?

Light + Building Navigator is free to download, with no in-app purchases.

### Is Roller Shutter Measure free?

Roller Shutter Measure is free to download, with in-app purchases available.

### Do Light + Building Navigator or Roller Shutter Measure have ads?

Light + Building Navigator shows ads; Roller Shutter Measure does not.

### Which is updated more often, Light + Building Navigator or Roller Shutter Measure?

Light + Building Navigator ships an update every 3 months, and Roller Shutter Measure every 6 months. Most recently, Light + Building Navigator was updated on October 20, 2026 and Roller Shutter Measure on October 28, 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.*