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Manufacturing · head to head

Petasense vs Siemens WinCC Unified

Petasense logo

Petasense

Manufacturing

Wireless vibration and asset reliability monitoring, now owned by AssetWatch

From
On request
Rated
-
Full reviewWebsite
Siemens WinCC Unified logo

Siemens WinCC Unified

Manufacturing

Siemens web-based HMI and SCADA platform, licensed by PowerTag count inside TIA Portal

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Petasense petasense is now owned by AssetWatch, whose business is monitoring delivered as a managed service, so a buyer wanting self-service software should get the delivery model written into the contract rather than assume it.; Siemens WinCC Unified licensing counts PowerTags, and archived tags are licensed separately from displayed tags, so a project that adds historian logging late can breach a tier and trigger an unbudgeted step-up purchase.
  • They diverge on capability: Petasense covers Vibration Mote, Siemens WinCC Unified covers TIA Portal engineering.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Petasense and Siemens WinCC Unified actually diverge.

Attributes where Petasense and Siemens WinCC Unified differ
AttributePetasenseSiemens WinCC Unified
PlatformsWeb, Cloud, iOS, AndroidWindows, Web, Linux

Identical on both: starting price (On request), pricing model (quote), free tier (No), user rating (Not yet rated), category (Manufacturing).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Petasense

  • Vibration Mote
  • Transmitter range
  • ARO cloud
  • VFD-specific monitoring
  • Reliability workflow
  • Mixed wired and wireless

Only in Siemens WinCC Unified

  • TIA Portal engineering
  • HTML5 runtime
  • PowerTag licensing tiers
  • Unified Comfort Panels
  • Parameter Control
  • Performance Insight
  • JavaScript scripting
  • OPC UA server and client

What people use each for

The jobs each tool is most often brought in to do.

Petasense

  • A reliability team wanting continuous vibration data on assets currently covered by a quarterly walkaround routenot Siemens WinCC Unified
  • A plant with variable frequency drive assets where generic vibration analytics produce too many false alarmsnot Siemens WinCC Unified
  • Mixing battery sensors on accessible pumps with wired sensors on the handful of assets that would stop productionnot Siemens WinCC Unified
  • A manufacturer with no in-house vibration analyst that wants the analysis delivered as a service rather than as a dashboardnot Siemens WinCC Unified

Siemens WinCC Unified

  • A machine builder standardising on S7-1500 who wants HMI screens engineered in the same project as the PLC codenot Petasense
  • Replacing a WinCC V7 plant SCADA before the 2027 support cut-off without changing controller vendornot Petasense
  • A line supervisory system where operators and supervisors need browser access from tablets with no client software rolloutnot Petasense
  • A plant already committed to the TIA Portal toolchain, where the cost of a rival SCADA is the second engineering environment and the second set of skills rather than the licencenot Petasense

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Petasense

  • Petasense is now owned by AssetWatch, whose business is monitoring delivered as a managed service, so a buyer wanting self-service software should get the delivery model written into the contract rather than assume it.
  • Hardware is required per measurement point and gateways are required per area, so the up-front capital for a plant-wide deployment is substantial and separate from the subscription.
  • Per-asset subscription pricing scales linearly, which makes full coverage of a large population of low-value motors uneconomic compared with route-based monitoring.
  • Nothing is published on sensor cost, subscription rate, gateway requirements or contract length, so a total cost of ownership figure requires a full sales engagement before you can compare it against anything.
  • Battery-powered wireless sensors trade measurement richness for battery life, so the sampling rate and resolution are lower than a wired analyser would give, which limits diagnosis of high-frequency bearing defects on critical machines.

Siemens WinCC Unified

  • Licensing counts PowerTags, and archived tags are licensed separately from displayed tags, so a project that adds historian logging late can breach a tier and trigger an unbudgeted step-up purchase.
  • There is no migration tool that converts a WinCC V7 project to Unified, so leaving the classic line before its 2027 support end means rebuilding screens, scripts and alarm configuration by hand.
  • Scripting moved from VBScript to JavaScript, which invalidates the script libraries in-house engineers accumulated over a decade on classic WinCC.
  • It is effectively bound to the Siemens controller stack; connecting Rockwell or Mitsubishi PLCs works through OPC UA but loses the shared tag database that is the main reason to buy it.
  • Three unrelated products share the WinCC name, and buyers who specify WinCC without saying Unified, V7 or OA regularly receive quotes for the wrong platform with different licensing and a different contractor pool.

Pricing, plan by plan

Petasense

On request
  • Petasense ARO$undefined/year
    • Subscription priced per monitored asset
    • Vibration Mote or Transmitter hardware required per measurement point
    • Gateway hardware required for wireless deployments

Siemens WinCC Unified

On request
  • WinCC Unified$undefined/year
    • Engineering licence per seat within TIA Portal
    • Runtime licensed in PowerTag tiers, from 100 tags to unlimited
    • Archived tags licensed separately from displayed process tags

Which should you pick?

Choose Petasense if

  • You need vibration mote.
  • You work on Web, Cloud, iOS, Android.
  • You also want transmitter range.
Petasense review

Choose Siemens WinCC Unified if

  • You need tia portal engineering.
  • You work on Windows, Web, Linux.
  • You also want html5 runtime.
Siemens WinCC Unified review

Questions people ask

Is Petasense or Siemens WinCC Unified better?
Neither clearly leads. Petasense starts at On request and Siemens WinCC Unified at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Petasense or Siemens WinCC Unified?
Petasense starts at On request and Siemens WinCC Unified at On request.
Does Petasense or Siemens WinCC Unified run on more platforms?
Petasense runs on Web, Cloud, iOS, Android. Siemens WinCC Unified runs on Windows, Web, Linux.
What is Petasense best used for?
Petasense is most often used for a reliability team wanting continuous vibration data on assets currently covered by a quarterly walkaround route, a plant with variable frequency drive assets where generic vibration analytics produce too many false alarms, mixing battery sensors on accessible pumps with wired sensors on the handful of assets that would stop production, a manufacturer with no in-house vibration analyst that wants the analysis delivered as a service rather than as a dashboard. Of those, a reliability team wanting continuous vibration data on assets currently covered by a quarterly walkaround route and a plant with variable frequency drive assets where generic vibration analytics produce too many false alarms are not what Siemens WinCC Unified is typically brought in for.
What can Petasense do that Siemens WinCC Unified cannot?
Petasense covers Vibration Mote, Transmitter range, ARO cloud, VFD-specific monitoring. Siemens WinCC Unified covers TIA Portal engineering, HTML5 runtime, PowerTag licensing tiers, Unified Comfort Panels.

Answered from the vendors’ own pages

Petasense: Is Petasense still a separate product?

Yes. It trades under its own name with its own product line, but the owner since January 2024 is AssetWatch.

Siemens WinCC Unified: Should I buy WinCC Unified or WinCC V7?

Unified, for any new project. V7 and V8 receive no new features and support ends in 2027.

Petasense: Do I have to buy Petasense hardware?

Yes. The platform is built around its own Motes and Transmitters; it is not a bring-your-own-sensor analytics product.

Siemens WinCC Unified: Is WinCC OA the same product?

No. WinCC OA came from ETM, has its own engineering environment and licensing, and is aimed at very large distributed systems. It shares only the brand.

Petasense: Can I get monitoring as a service?

Yes, through parent AssetWatch, whose model is condition monitoring engineers reviewing your data. Clarify which model your quote covers.

Siemens WinCC Unified: What is a PowerTag?

An externally connected process variable in the runtime. Internal tags do not count, but archived tags are licensed separately from displayed ones.

Petasense: How is it priced?

Per monitored asset on subscription, plus sensors and gateways. Nothing is published.

Siemens WinCC Unified: Can operators use it from a browser without installing anything?

Yes, the runtime is HTML5, but concurrent browser clients need WebUX or Unified client licences.

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