Comparison

4WD Control 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

4WD Control

Features
Read full description

4WD Control von DSA-electronic Mit der 4WD Control App haben Sie vollen Zugriff auf Ihre Haldex Control Unit Blue und können die Einstellungen für den Allradantrieb selbst vornehmen und auf dem Controller speichern. Durch die Live-Übertragung der Daten kann jederzeit das aktuelle Sperrlevel der Allradkupplung beobachtet werden. Zusätzlich bietet die App die Möglichkeit einige interessante Messwerte des Motors und des Fahrzeugs einzusehen. 4WD Control Highlights: - volle Kontrolle über Ihren Allradantrieb - visuelle Darstellung interessanter Motor- und Fahrzeugparameter, wie z.B. Motordrehmoment in Nm, Ladedruck, versch. Temperaturen, Bordspannung, DPF-Regeneration, ... (abhängig vom Fahrzeugmodell) Voraussetzung zur Nutzung der App ist eine Haldex Control Unit Blue. Die Control Unit ist für eine Vielzahl von Modellen aus dem VW-Konzern erhältlich. Besuchen Sie uns auf unserer Website www.dsa-electronic.de

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

4WD Control2 screens
Graf IoT4 screens

Verdict

The call

The clearest difference is update cadence: Graf IoT at monthly against 4WD Control's every 7 months. 4WD Control's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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

4WD Control ships an update every 7 months, Graf IoT monthly. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level
4WD Control versus Graf IoT: the parameters behind the verdict, then further details
Parameter4WD ControlGraf IoT
PriceFreeFree
Update frequencyEvery 7 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size40 MB47 MB
Age rating4+4+
DeveloperDaniel SchmidtnerOtto Graf GmbH Kunststofferzeugnisse

In-app purchases

None

4WD Control

No in-app purchases

None

Graf IoT

No in-app purchases

Questions

Is 4WD Control free?
4WD Control 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 4WD Control or Graf IoT have ads?
Neither 4WD Control nor Graf IoT shows ads.
Which is updated more often, 4WD Control or Graf IoT?
4WD Control ships an update every 7 months, and Graf IoT monthly. Most recently, 4WD Control was updated on October 14, 2026 and Graf IoT on October 9, 2026.

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