Vitii vs Graf IoT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vitii
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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.
Graf IoT
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Vitii ships an update every 2 months, Graf IoT monthly. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.
| Parameter | Vitii | Graf IoT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 31 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | A4C sprl | Otto Graf GmbH Kunststofferzeugnisse |
In-app purchases
Vitii
No in-app purchases
Graf IoT
No in-app purchases









