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Government · head to head

NEXGEN Asset Management vs Trimble Unity Maintain

NEXGEN Asset Management logo

NEXGEN Asset Management

Government

Combined EAM and CMMS for utilities and municipalities with Esri GIS at the centre of the asset register

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: NEXGEN Asset Management pricing keys off asset count, so a routine GIS resegmentation that splits mains into more records can raise your subscription without adding a single user or work order.; 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: NEXGEN Asset Management covers Esri GIS integration, 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 NEXGEN Asset Management and Trimble Unity Maintain actually diverge.

Attributes where NEXGEN Asset Management and Trimble Unity Maintain differ
AttributeNEXGEN Asset ManagementTrimble Unity Maintain
PlatformsWeb, iOS, AndroidWeb, iOS, Android, Windows

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

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 NEXGEN Asset Management

  • Esri GIS integration
  • Risk and criticality
  • Condition assessment
  • Capital planning
  • Work orders
  • Mobile field app
  • Inventory and purchasing

Only in Trimble Unity Maintain

  • Built on ArcGIS
  • Work order management
  • Permits and licensing
  • Mobile field access
  • Storeroom and inventory
  • Operational Insights
  • AgileAssets convergence

Both cover

  • Service requests

What people use each for

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

NEXGEN Asset Management

  • A water utility that must show a board why a specific main is being replaced this year rather than nextnot Trimble Unity Maintain
  • A city public works department consolidating a GIS asset inventory and a paper work order process into one systemnot Trimble Unity Maintain
  • An airport authority tracking condition assessments across airside and landside assets with capital forecastingnot Trimble Unity Maintain
  • A district that needs citizen service requests to become tracked work orders with an auditable historynot 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 NEXGEN Asset Management
  • A city consolidating a citizen service request line, work orders and inspections into one location-based systemnot NEXGEN Asset Management
  • A state transportation department managing pavement and bridge assets with linear referencing rather than point assetsnot NEXGEN Asset Management
  • A public works department that has already licensed ArcGIS Enterprise and wants to avoid rekeying its asset inventorynot NEXGEN Asset Management

Where each one falls short

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

NEXGEN Asset Management

  • Pricing keys off asset count, so a routine GIS resegmentation that splits mains into more records can raise your subscription without adding a single user or work order.
  • Nothing is published and the vendor is small, so the reference set you can call is limited and mostly Californian and North American public agencies.
  • The interface is dated compared with modern CMMS products, which hurts adoption among field crews who compare it to consumer apps on their own phones.
  • GIS integration is the product strength and also its dependency; agencies without a maintained ArcGIS asset layer face a data preparation project before NEXGEN is useful.
  • As a small vendor it carries acquisition risk, and in this segment acquisitions have repeatedly meant a product frozen while it is folded into a larger portfolio.

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

NEXGEN Asset Management

On request
  • NEXGEN Asset Management$undefined/year
    • Tiered pricing based on the number of assets under management
    • Implementation, GIS integration and data migration quoted separately
    • Mobile module licensed alongside the core platform

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 NEXGEN Asset Management if

  • You need esri gis integration.
  • You work on Web, iOS, Android.
  • You also want risk and criticality.
NEXGEN Asset Management review

Choose Trimble Unity Maintain if

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

Questions people ask

Is NEXGEN Asset Management or Trimble Unity Maintain better?
Neither clearly leads. NEXGEN Asset Management 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, NEXGEN Asset Management or Trimble Unity Maintain?
NEXGEN Asset Management starts at On request and Trimble Unity Maintain at On request.
Does NEXGEN Asset Management or Trimble Unity Maintain run on more platforms?
NEXGEN Asset Management runs on Web, iOS, Android. Trimble Unity Maintain runs on Web, iOS, Android, Windows.
What is NEXGEN Asset Management best used for?
NEXGEN Asset Management is most often used for a water utility that must show a board why a specific main is being replaced this year rather than next, a city public works department consolidating a gis asset inventory and a paper work order process into one system, an airport authority tracking condition assessments across airside and landside assets with capital forecasting, a district that needs citizen service requests to become tracked work orders with an auditable history. Of those, a water utility that must show a board why a specific main is being replaced this year rather than next and a city public works department consolidating a gis asset inventory and a paper work order process into one system are not what Trimble Unity Maintain is typically brought in for.
What can NEXGEN Asset Management do that Trimble Unity Maintain cannot?
NEXGEN Asset Management covers Esri GIS integration, Risk and criticality, Condition assessment, Capital planning. Trimble Unity Maintain covers Built on ArcGIS, Work order management, Permits and licensing, Mobile field access. Both handle Service requests.

Answered from the vendors’ own pages

NEXGEN Asset Management: How is NEXGEN priced?

On a tiered model based on the number of assets under management, quoted per agency. Nothing is published.

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.

NEXGEN Asset Management: Do we need Esri ArcGIS?

Not strictly, but the product is designed around it and most of the value assumes a maintained GIS asset layer.

Trimble Unity Maintain: Do I need Esri ArcGIS?

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

NEXGEN Asset Management: Does it handle capital planning?

Yes. Risk, criticality and condition scores feed multi-year renewal forecasts intended for board and council submissions.

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.

NEXGEN Asset Management: Is there a mobile app?

Yes, a map-based field application with offline capability, licensed alongside the core 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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