Cybersecurity · head to head
Microsoft Sentinel vs Trimble Unity Maintain
Microsoft Sentinel
Cybersecurity
Cloud-native SIEM and SOAR solution
- From
- Free
- Free plan
- Yes
Trimble Unity Maintain
Government
GIS-centric public asset and work management, the product formerly sold as Cityworks
- From
- On request
- Free plan
- No
The short version
- Only Microsoft Sentinel has a free tier, so it costs nothing to try first.
- Each has a real cost: Microsoft Sentinel billing is driven by the volume of log data ingested per day, so cost scales with log noise rather than with users or protected assets; 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: Microsoft Sentinel covers AI-powered analytics, 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 Microsoft Sentinel and Trimble Unity Maintain actually diverge.
| Attribute | Microsoft Sentinel | Trimble Unity Maintain |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | usage-based | quote |
| Free tier | Yes | No |
| Platforms | Web, Api | Web, iOS, Android, Windows |
| Category | Cybersecurity | Government |
| Founded | 1975 | Unknown |
Identical on both: 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 Microsoft Sentinel
- AI-powered analytics
- Fusion detection
- UEBA
- Automated response playbooks
- Threat intelligence
- Hunting queries
- Workbooks
- Incident management
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.
Microsoft Sentinel
- Cloud-based security information and event management (SIEM)not Trimble Unity Maintain
- Extended detection and response (XDR) across enterprise infrastructurenot Trimble Unity Maintain
- Data ingestion and long-term security analyticsnot 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 Microsoft Sentinel
- A city consolidating a citizen service request line, work orders and inspections into one location-based systemnot Microsoft Sentinel
- A state transportation department managing pavement and bridge assets with linear referencing rather than point assetsnot Microsoft Sentinel
- A public works department that has already licensed ArcGIS Enterprise and wants to avoid rekeying its asset inventorynot Microsoft Sentinel
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Microsoft Sentinel
- Billing is driven by the volume of log data ingested per day, so cost scales with log noise rather than with users or protected assets
- Commitment tier discounts require reserving daily ingestion capacity in advance, and a tier cannot be downgraded until 31 days have passed
- Commitment tiers start at 100 GB per day, above what smaller estates ingest
- Charges for Log Analytics, Logic Apps and Machine Learning are billed separately on top of Sentinel itself
- The free allowance is only up to 5 MB per user per day for selected Microsoft 365 security logs
- Promotional commitment pricing is time limited and locks in only until a stated end date
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
Microsoft Sentinel
Free- Pay-As-You-Go$2.46/day
- Per GB ingested
- 90-day retention
- First 31 days free for new workspaces
- Commitment TiersFree
- 100GB to 50TB tiers
- Up to 65% discount
- Predictable billing
- Microsoft 365 E5Free
- Free data ingestion for M365 logs
- Bundled with E5 license
Trimble Unity Maintain
On request- Trimble Unity Maintain$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 Microsoft Sentinel if
- You need ai-powered analytics.
- You want to start without paying.
- You work on Web, Api.
- You also want fusion detection.
Choose Trimble Unity Maintain if
- You need built on arcgis.
- You work on Web, iOS, Android, Windows.
- You also want service requests.
Questions people ask
- Is Microsoft Sentinel or Trimble Unity Maintain better?
- Neither clearly leads. Microsoft Sentinel starts at Free 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, Microsoft Sentinel or Trimble Unity Maintain?
- Microsoft Sentinel has a free tier; the other does not. Paid plans start at Free for Microsoft Sentinel and On request for Trimble Unity Maintain.
- Does Microsoft Sentinel or Trimble Unity Maintain run on more platforms?
- Microsoft Sentinel runs on Web, Api. Trimble Unity Maintain runs on Web, iOS, Android, Windows.
- Can I use Microsoft Sentinel for free?
- Yes. Microsoft Sentinel has a free tier, so you can try it without paying. Trimble Unity Maintain starts at On request.
- What is Microsoft Sentinel best used for?
- Microsoft Sentinel is most often used for cloud-based security information and event management (siem), extended detection and response (xdr) across enterprise infrastructure, data ingestion and long-term security analytics. Of those, cloud-based security information and event management (siem) and extended detection and response (xdr) across enterprise infrastructure are not what Trimble Unity Maintain is typically brought in for.
- What can Microsoft Sentinel do that Trimble Unity Maintain cannot?
- Microsoft Sentinel covers AI-powered analytics, Fusion detection, UEBA, Automated response playbooks. Trimble Unity Maintain covers Built on ArcGIS, Service requests, Work order management, Permits and licensing.
Answered from the vendors’ own pages
Microsoft Sentinel: How is Microsoft Sentinel pricing calculated?
Microsoft Sentinel uses a pay-as-you-go usage-based model where you pay only for data ingested, stored, and consumed. Flexible commitment tiers are available to reduce total cost of ownership, with specific rates not published on the public pricing page. Source: https://www.microsoft.com/security/business/siem-and-xdr/microsoft-sentinel/
SourceTrimble 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.
Microsoft Sentinel: Does Microsoft Sentinel require an Azure subscription?
Yes, Microsoft Sentinel requires a Microsoft Azure subscription to operate. Pricing is handled through Azure and varies based on data consumption and the commitment tier you select. Source: https://www.microsoft.com/security/business/siem-and-xdr/microsoft-sentinel/
SourceTrimble Unity Maintain: Do I need Esri ArcGIS?
Yes. The product is built on ArcGIS and cannot be deployed without an Esri licence.
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.
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.
Related pages
More on Microsoft Sentinel
More on Trimble Unity Maintain
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