# Casambi vs Grau

The clearest difference is update cadence: Casambi at monthly against Grau's every 3 months. Grau's advantage is iOS requirement (13.0 vs 15.6). 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.

Casambi ships an update monthly, Grau every 3 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Casambi | Grau |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (15 ratings)](https://appshunter.io/ios/app/casambi/id731859317/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 46.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 33 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Casambi Technologies Ltd](https://appshunter.io/developer/731859320) | [Grau GmbH](https://appshunter.io/developer/1591414907) |

## What reviewers say

### Casambi

[App page](https://appshunter.io/ios/app/casambi/id731859317)

Effortlessly personalize your lighting with wireless control. Create custom scenes, animations, and automate your lights from a smartphone or tablet. Seamlessly manage multiple devices and share access with others.

**Highlights:** Wireless lighting control, Customizable scenes and animations, Daylight and timed control, Visual control from photos, Network sharing with access rights, Control up to 250 devices per network

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**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 Casambi free?

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

### Is Grau free?

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

### Do Casambi or Grau have ads?

Neither Casambi nor Grau shows ads.

### Which is updated more often, Casambi or Grau?

Casambi ships an update monthly, and Grau every 3 months. Most recently, Casambi was updated on October 23, 2026 and Grau on October 25, 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.*