Comparison

Vitii vs Graf IoT

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

Head to head
About

Vitii

Features
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Vitii est un système de filtration automatisé et connecté. En d’autres termes, il effectue des actions sans interventions de l’utilisateur et permet le contrôle et la gestion de la qualité de l’eau à partir d’un smartphone, d’une tablette ou d’un PC. Il est doté d’intelligence et de capacités prédictives notamment établies sur la localisation, la météo ou la gestion d’évènements. Ces technologies de pointe permettent entre autres la gestion de l’équilibre biologique de l’eau et des cycles de lavages de la filtration. En cas d’anomalies, le système envoie automatiquement des alertes aux particuliers ou aux professionnels responsables de l’entretien.

About

Graf IoT

Features
Read full description

GRAF IoT shows you how much water is in your system at any time and alerts you before it gets critical. The app connects to your GRAF BlueLevel and GRAF ARCOS devices and brings level, volume and system status together on one dashboard. You get a notification when the level runs too low or too high. The built-in weather forecast shows you the rainfall heading for your site. FEATURES • Fill level and remaining volume in litres and percent • Alerts for critical fill levels • Weather forecast for the location of your system • Level height and device status for every system • All devices on one central dashboard • Device data, assignment and location at a glance • Light and dark mode For cisterns and rainwater systems with GRAF BlueLevel and for retention and infiltration systems with GRAF ARCOS. A connected GRAF device is required to use the app.

Screenshots

Vitii3 screens
Graf IoT4 screens

Verdict

The call

The clearest difference is ads: Graf IoT at none against Vitii's shown. Vitii's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence and in-app purchases there is nothing between them.

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

Vitii ships an update every 2 months, Graf IoT monthly. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level
Vitii versus Graf IoT: the parameters behind the verdict, then further details
ParameterVitiiGraf IoT
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size31 MB47 MB
Age rating4+4+
DeveloperA4C sprlOtto Graf GmbH Kunststofferzeugnisse

In-app purchases

None

Vitii

No in-app purchases

None

Graf IoT

No in-app purchases

Questions

Is Vitii free?
Vitii is free to download, with no in-app purchases.
Is Graf IoT free?
Graf IoT is free to download, with no in-app purchases.
Do Vitii or Graf IoT have ads?
Vitii shows ads; Graf IoT does not.
Which is updated more often, Vitii or Graf IoT?
Vitii ships an update every 2 months, and Graf IoT monthly. Most recently, Vitii was updated on September 24, 2026 and Graf IoT on October 9, 2026.

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