Softwr

Cybersecurity · head to head

Rhombus Systems vs Trimble Unity Maintain

Rhombus Systems logo

Rhombus Systems

Cybersecurity

Cloud-managed cameras, sensors and access control with a per-camera annual licence

From
$149/year
Free plan
No
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
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Rhombus Systems the per-camera annual licence never ends and a camera without an active licence stops working, so the total cost over a ten-year hardware life is several times the hardware price.; 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: Rhombus Systems covers On-camera storage, 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 Rhombus Systems and Trimble Unity Maintain actually diverge.

Attributes where Rhombus Systems and Trimble Unity Maintain differ
AttributeRhombus SystemsTrimble Unity Maintain
Starting price$149/yearOn request
Pricing modelPer camera per year licence plus hardwarequote
PlatformsWeb, iOS, AndroidWeb, iOS, Android, Windows
CategoryCybersecurityGovernment

Identical on both: 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 Rhombus Systems

  • On-camera storage
  • No NVR or server
  • AI search
  • Access control
  • Environmental sensors
  • Unlimited users
  • Ten year hardware warranty
  • Optional cloud archiving

Only in Trimble Unity Maintain

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

What people use each for

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

Rhombus Systems

  • A school district running video across dozens of buildings with no local IT at each sitenot Trimble Unity Maintain
  • A clinic group needing door access and cameras in one console under a single audit trailnot Trimble Unity Maintain
  • A logistics operator that wants to search for a specific vehicle across sites without scrubbing footagenot Trimble Unity Maintain
  • An office estate replacing ageing NVRs where nobody remains who knows how to maintain themnot 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 Rhombus Systems
  • A city consolidating a citizen service request line, work orders and inspections into one location-based systemnot Rhombus Systems
  • A state transportation department managing pavement and bridge assets with linear referencing rather than point assetsnot Rhombus Systems
  • A public works department that has already licensed ArcGIS Enterprise and wants to avoid rekeying its asset inventorynot Rhombus Systems

Where each one falls short

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

Rhombus Systems

  • The per-camera annual licence never ends and a camera without an active licence stops working, so the total cost over a ten-year hardware life is several times the hardware price.
  • Cameras must be Rhombus, so there is no reuse of existing IP cameras and migrating away means replacing every device rather than changing software.
  • Cloud archiving is priced separately by retention and stream count, and long retention on multisensor cameras runs into five figures per camera, which can dwarf everything else in the quote.
  • On-camera storage is the default retention, so a camera physically stolen or destroyed takes its unarchived footage with it unless cloud archiving was paid for on that camera.
  • Analytics and integrations are good for mid-market needs but shallower than a dedicated enterprise VMS with a large third-party ecosystem, so specialist requirements like advanced LPR or forensic search hit limits.

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

Rhombus Systems

$149/year
  • Professional$149/year
    • Per camera per year
    • Cloud console and management
    • On-camera storage retention
  • Enterprise$199/year
    • Per camera per year
    • Everything in Professional
    • Flexible cloud archiving options
  • Cloud archiving$undefined/year
    • Priced separately by retention period and stream count
    • Multisensor cameras cost several times a single sensor camera
    • Long retention on multisensor models can reach five figures per camera

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 Rhombus Systems if

  • You need on-camera storage.
  • You work on Web, iOS, Android.
  • You also want no nvr or server.
Rhombus Systems 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 Rhombus Systems or Trimble Unity Maintain better?
Neither clearly leads. Rhombus Systems starts at $149/year 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, Rhombus Systems or Trimble Unity Maintain?
Rhombus Systems starts at $149/year and Trimble Unity Maintain at On request.
Does Rhombus Systems or Trimble Unity Maintain run on more platforms?
Rhombus Systems runs on Web, iOS, Android. Trimble Unity Maintain runs on Web, iOS, Android, Windows.
What is Rhombus Systems best used for?
Rhombus Systems is most often used for a school district running video across dozens of buildings with no local it at each site, a clinic group needing door access and cameras in one console under a single audit trail, a logistics operator that wants to search for a specific vehicle across sites without scrubbing footage, an office estate replacing ageing nvrs where nobody remains who knows how to maintain them. Of those, a school district running video across dozens of buildings with no local it at each site and a clinic group needing door access and cameras in one console under a single audit trail are not what Trimble Unity Maintain is typically brought in for.
What can Rhombus Systems do that Trimble Unity Maintain cannot?
Rhombus Systems covers On-camera storage, No NVR or server, AI search, Access control. Trimble Unity Maintain covers Built on ArcGIS, Service requests, Work order management, Permits and licensing.

Answered from the vendors’ own pages

Rhombus Systems: Do I need an NVR or a server?

No. Cameras record on board and connect directly to the cloud console, which is the main operational reason organisations pick it.

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.

Rhombus Systems: What does the licence cost?

Roughly $149 per camera per year for Professional and about $199 for Enterprise, typically sold in one, three, five or ten year terms.

Trimble Unity Maintain: Do I need Esri ArcGIS?

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

Rhombus Systems: Is cloud storage included?

No. On-camera storage is the default. Cloud archiving is a separate charge priced by retention duration and number of streams.

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.

Rhombus Systems: Can I use my existing cameras?

No. The platform works only with Rhombus hardware, which is the trade-off for the zero-server architecture.

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.

Share

Related pages

More on Rhombus Systems

More on Trimble Unity Maintain

Keep looking

Other head to heads