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Utilities · head to head

Calsense vs Trimble Unity Maintain

Calsense logo

Calsense

Utilities

Central irrigation control and water management for municipalities, schools and universities

From
On request
Rated
-
Full reviewWebsite
Trimble Unity Maintain logo

Trimble Unity Maintain

Government

GIS-centric public asset and work management, the product formerly sold as Cityworks

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Calsense it is a North American product with a narrow dealer network, so agencies outside the United States have effectively no route to buy or support it.; Trimble Unity Maintain esri ArcGIS is a hard prerequisite, so an organisation without it faces a second substantial licence and a GIS programme before the maintenance system can be used at all.
  • They diverge on capability: Calsense covers Flow-based fault shutdown, Trimble Unity Maintain covers Built on ArcGIS.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Calsense and Trimble Unity Maintain actually diverge.

Attributes where Calsense and Trimble Unity Maintain differ
AttributeCalsenseTrimble Unity Maintain
PlatformsWeb, iOS, AndroidWeb, iOS, Android, Windows
CategoryUtilitiesGovernment

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

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 Calsense

  • Flow-based fault shutdown
  • ET-based scheduling
  • Two-wire and conventional
  • Central management
  • Water budget reporting
  • Master valve and pump control
  • Weather station integration

Only in Trimble Unity Maintain

  • Built on ArcGIS
  • Service requests
  • Work order management
  • Permits and licensing
  • Storeroom and inventory
  • Operational Insights
  • AgileAssets convergence

Both cover

  • Mobile field access

What people use each for

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

Calsense

  • A school district needing a broken lateral shut off automatically overnight rather than discovered at the next site visitnot Trimble Unity Maintain
  • A city parks department reporting water use against a drought allocation by sitenot Trimble Unity Maintain
  • A university campus consolidating dozens of legacy controllers under one management interfacenot Trimble Unity Maintain
  • A public agency that would rather capitalise irrigation control than carry a per-controller annual feenot Trimble Unity Maintain

Trimble Unity Maintain

  • A water utility wanting valve exercising and hydrant flushing recorded against the same GIS features the engineering team maintainsnot Calsense
  • A city consolidating a citizen service request line, work orders and inspections into one location-based systemnot Calsense
  • A state transportation department managing pavement and bridge assets with linear referencing rather than point assetsnot Calsense
  • A public works department that has already licensed ArcGIS Enterprise and wants to avoid rekeying its asset inventorynot Calsense

Where each one falls short

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

Calsense

  • It is a North American product with a narrow dealer network, so agencies outside the United States have effectively no route to buy or support it.
  • Install cost is high relative to commercial irrigation controllers because flow sensing, master valves and proper wiring are part of the design rather than optional extras.
  • The interface and workflows are built for irrigation technicians, not casual users, so a small grounds team without a dedicated irrigation specialist will underuse most of what they paid for.
  • Public sector focus means procurement paperwork, bid specifications and cooperative contract vehicles are part of the process, which lengthens purchase timelines regardless of budget availability.
  • No pricing is published, and the no-subscription claim is conditional on the communication model chosen, so the total cost cannot be established without a specific quote and a careful read of which model applies.

Trimble Unity Maintain

  • Esri ArcGIS is a hard prerequisite, so an organisation without it faces a second substantial licence and a GIS programme before the maintenance system can be used at all.
  • The product is mid-rename from Cityworks to Trimble Unity Maintain with transition timelines Trimble has not committed to publicly, leaving contracts, documentation and integrator experience split between two names.
  • CVE-2025-0994, a deserialisation flaw in Cityworks, was exploited in the wild and listed by CISA in February 2025, which makes on-premise deployments a patching obligation rather than a set-and-forget install.
  • Because assets live in the GIS, changing the asset model is a GIS division change, so maintenance teams cannot restructure their own hierarchy without another department in the loop.
  • It is built for North American public sector practice, and the permitting, funding source and reporting models do not map cleanly onto other countries or onto private industrial estates.

Pricing, plan by plan

Calsense

On request
  • CS3000 system$undefined/year
    • Controllers and field hardware quoted per site
    • No annual data or subscription fee on some communication models
    • Some configurations include a 4G modem with ten years of cellular data

Trimble Unity Maintain

On request
  • Trimble Unity Maintain$undefined/year
    • Annual subscription sized by population served, asset volume and user count
    • Esri ArcGIS Enterprise or ArcGIS Online licensing required separately
    • Hosted and on-premise deployment priced differently

Which should you pick?

Choose Calsense if

  • You need flow-based fault shutdown.
  • You work on Web, iOS, Android.
  • You also want et-based scheduling.
Calsense review

Choose Trimble Unity Maintain if

  • You need built on arcgis.
  • You work on Web, iOS, Android, Windows.
  • You also want service requests.
Trimble Unity Maintain review

Questions people ask

Is Calsense or Trimble Unity Maintain better?
Neither clearly leads. Calsense starts at On request and Trimble Unity Maintain at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Calsense or Trimble Unity Maintain?
Calsense starts at On request and Trimble Unity Maintain at On request.
Does Calsense or Trimble Unity Maintain run on more platforms?
Calsense runs on Web, iOS, Android. Trimble Unity Maintain runs on Web, iOS, Android, Windows.
What is Calsense best used for?
Calsense is most often used for a school district needing a broken lateral shut off automatically overnight rather than discovered at the next site visit, a city parks department reporting water use against a drought allocation by site, a university campus consolidating dozens of legacy controllers under one management interface, a public agency that would rather capitalise irrigation control than carry a per-controller annual fee. Of those, a school district needing a broken lateral shut off automatically overnight rather than discovered at the next site visit and a city parks department reporting water use against a drought allocation by site are not what Trimble Unity Maintain is typically brought in for.
What can Calsense do that Trimble Unity Maintain cannot?
Calsense covers Flow-based fault shutdown, ET-based scheduling, Two-wire and conventional, Central management. Trimble Unity Maintain covers Built on ArcGIS, Service requests, Work order management, Permits and licensing. Both handle Mobile field access.

Answered from the vendors’ own pages

Calsense: Is there an annual subscription?

Depending on the communication model selected, some CS3000 configurations carry no annual data or subscription fee, and some include a 4G modem with ten years of cellular data. Confirm which model your quote covers.

Trimble Unity Maintain: Is Cityworks discontinued?

Not discontinued, renamed. It is becoming Trimble Unity Maintain, converging with AgileAssets, and Trimble has not published a final transition date.

Calsense: Does it shut off a broken pipe automatically?

Yes. It compares actual to expected flow per station and can isolate the station or shut the mainline, which is the main reason agencies specify it.

Trimble Unity Maintain: Do I need Esri ArcGIS?

Yes. The product is built on ArcGIS and cannot be deployed without an Esri licence.

Calsense: Who typically buys it?

City parks departments, school districts, universities, military bases and other large public landscapes in North America.

Trimble Unity Maintain: Was there a security incident?

Yes. CVE-2025-0994 in Cityworks was exploited in the wild and added to the CISA known exploited vulnerabilities catalogue in February 2025.

Calsense: Does it support two-wire decoders?

Yes, along with conventional wiring and hybrid installations on the same platform.

Trimble Unity Maintain: Can it handle roads and pavement as well as pipes?

Yes, through the AgileAssets lineage now inside the Unity Maintain family, which adds linear referencing for transportation assets.

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