# Lightnet Imagine vs Grau

The clearest difference is update cadence: Lightnet Imagine at every 3 weeks against Grau's every 3 months. Lightnet Imagine also leads on iOS requirement (11.0 vs 13.0). 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.

Lightnet Imagine ships an update every 3 weeks, Grau every 3 months. The most recent releases landed on September 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Lightnet Imagine | Grau |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lightnet-imagine/id1357582849/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 117 MB | 33 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [EVOspark GmbH](https://appshunter.io/developer/1267242880) | [Grau GmbH](https://appshunter.io/developer/1591414907) |

## What reviewers say

### Lightnet Imagine

[App page](https://appshunter.io/ios/app/lightnet-imagine/id1357582849)

Visualize lighting fixtures in your own space using augmented reality. See various sizes and color options to better understand product shapes and dimensions. Explore demo projects showcasing effective lighting installations.

**Highlights:** Augmented reality visualization, Multiple sizes and color options, Product shape and dimension display, Demo project exploration, Real-world space projection

**Features:** macOS Compatibility

**In-app purchases:** none


### Grau

[App page](https://appshunter.io/ios/app/grau/id1591414905)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lightnet Imagine free?

Lightnet Imagine is free to download, with no in-app purchases.

### Is Grau free?

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

### Do Lightnet Imagine or Grau have ads?

Neither Lightnet Imagine nor Grau shows ads.

### Which is updated more often, Lightnet Imagine or Grau?

Lightnet Imagine ships an update every 3 weeks, and Grau every 3 months. Most recently, Lightnet Imagine was updated on September 24, 2026 and Grau on October 14, 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.*