Comparison

ServiceUnion Support vs HydroCalc Basic

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

Head to head
About

ServiceUnion Support

Features
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Die offizielle ServiceUnion Notdienst App für Kunden. Störungen melden, Ticket-Status verfolgen und im Notfall schnell Hilfe bekommen – alles an einem Ort. Mit der App können Kunden Störungen bequem per Smartphone melden. Ob Elektro-Ausfall, BHKW-Probleme oder Wartungsauftrag – in wenigen Schritten wird ein Ticket erstellt und direkt an den zuständigen Techniker weitergeleitet. Dabei können Fotos aus Kamera oder Galerie angehängt werden, damit das Problem so genau wie möglich beschrieben wird. Bei dringenden Störungen steht ein Notfall-Ticket bereit, das sofort Priorität erhält und den Notdienst alarmiert. So wird sichergestellt, dass akute Probleme schnellstmöglich bearbeitet werden. Der aktuelle Status jedes Tickets ist jederzeit einsehbar. Neue Kommentare von Technikern, Statusänderungen und wichtige Updates werden per Push-Benachrichtigung direkt aufs Smartphone gesendet. So verpassen Kunden nichts und wissen immer, wo ihr Anliegen steht. Die App unterstützt alle ServiceUnion-Standorte: Bannberscheid, Merkendorf, Bodensee, Pritzwalk, Rendsburg, Ahaus-Wuellen, Neustadt und Sangerhausen.

About

HydroCalc Basic

Features
Read full description

Pipe Headloss Calculator provides engineers, designers, and students with powerful tools for pipeline hydraulic analysis — without the hassle of complex manual computations. Whether you’re sizing new pipelines or analyzing existing systems, the app delivers rapid, accurate results. Key Features Automatic Unit Conversion – Seamlessly switch between US Customary and SI units for length, flow, and diameter. Pipeline-Specific Inputs – Enter pipeline length, flow rate, internal diameter, and pipe material. Powerful Inverse Calculator – Set a target head loss and calculate the required diameter, flow, or length. Instantly view flow velocity, friction head loss, fitting losses, and full system curve data. With a clean interface and fast performance, this app is designed to save time and improve accuracy in hydraulic calculations — from the classroom to the field.

Screenshots

ServiceUnion Support2 screens
HydroCalc Basic4 screens

Verdict

The call

The clearest difference is in-app purchases: ServiceUnion Support at none against HydroCalc Basic's 1. ServiceUnion Support also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support 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. HydroCalc Basic sells 1 one-off in-app purchase. ServiceUnion Support asks for nothing beyond the download.

UpkeepUpdate frequency

ServiceUnion Support ships an update weekly, HydroCalc Basic every 11 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level
ServiceUnion Support versus HydroCalc Basic: the parameters behind the verdict, then further details
ParameterServiceUnion SupportHydroCalc Basic
PriceFreeFree
Update frequencyWeekly — betterEvery 11 days
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size26 MB35 MB
Age rating4+4+
DeveloperStimm Digital GmbH & Co. KGTransparent Blue Water LLC

In-app purchases

None

ServiceUnion Support

No in-app purchases

1 purchases

HydroCalc Basic

One-time1
  • Premium - Flow Units & Ad-Free$1.99

Questions

Is ServiceUnion Support free?
ServiceUnion Support is free to download, with no in-app purchases.
Is HydroCalc Basic free?
HydroCalc Basic is free to download, with in-app purchases available.
Do ServiceUnion Support or HydroCalc Basic have ads?
Neither ServiceUnion Support nor HydroCalc Basic shows ads.
Which is updated more often, ServiceUnion Support or HydroCalc Basic?
ServiceUnion Support ships an update weekly, and HydroCalc Basic every 11 days. Most recently, ServiceUnion Support was updated on October 3, 2026 and HydroCalc Basic on October 4, 2026.

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