Comparison

Grau vs Viascenario

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Grau

Features
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The Grau app is the easiest and most intuitive way to control your Grau luminaires. At the tap of a finger, you can create and program ideal light settings for every mood, space, time and situation. Program and group your lamps in one view: The Grau app lets you see all your Grau lamps in one view, build lamp groups, and program both individual and group settings. With a tap or slide of your finger, you can switch lamps on and off, adjust brightness, and tune color temperature. Create and name groups according to room or situation, and coordinate dimming, color, and temperature settings. Program your lamps via gallery view: For visual control of your lighting, take a picture of your lamp(s) and room(s), save in the Gallery, and integrate luminaire control in the photo(s). Create and time-set light settings and scenes: Use the Grau app to program and save light scenarios for every mood and situation. Set the light right for working, meeting, dining or downtime and save the settings as a scene. Then simply select the scene you need with one tap. Grau timer function lets you configure lamps and lighting scenes according to time, date, or sunrise / sunset. Share your light network and lighting control: Grau has four different levels of sharing and access control. You can decide if your network is open to everyone, or if others need a password to access. If you have several users and devices using the same network, all changes made with one device will be automatically updated to the other devices via the Grau cloud service.

About

Viascenario

Features
Read full description

make your space your own theatre. Viabizzuno’s wireless lighting control system by casambi allows you to control your light with a simple touch. individually or in group, from your mobile or tablet, you can simply manage your luminaires, create light scenarios, and direct them for different occasions or settings to produce a striking coup de théâtre. by searching for all casambi-ready Viabizzuno’s light solutions, you can create an endless number of scenarios from an intuitive and customizable app. lift the curtain on your stage, download Viascenario.

Screenshots

Grau4 screens
Viascenario4 screens

Verdict

The call

Grau and Viascenario are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Grau ships an update every 3 months, Viascenario every 2 months. The most recent releases landed on September 10, 2026 and June 24, 2026 respectively.

ScorecardNo meaningful differences
Grau versus Viascenario: the parameters behind the verdict, then further details
ParameterGrauViascenario
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch
Requires iOS13.013.0
Further details — not scored
Size33 MB34 MB
Age rating4+4+
DeveloperGrau GmbHViabizzuno S.p.A.

In-app purchases

None

Grau

No in-app purchases

None

Viascenario

No in-app purchases

Questions

Is Grau free?
Grau is free to download, with no in-app purchases.
Is Viascenario free?
Viascenario is free to download, with no in-app purchases.
Do Grau or Viascenario have ads?
Neither Grau nor Viascenario shows ads.
Which is updated more often, Grau or Viascenario?
Grau ships an update every 3 months, and Viascenario every 2 months. Most recently, Grau was updated on September 10, 2026 and Viascenario on June 24, 2026.

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