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Cybersecurity · head to head

Google Authenticator vs Trimble Unity Maintain

Google Authenticator logo

Google Authenticator

Cybersecurity

Free TOTP two-factor authentication app that gained optional cloud sync in 2023

From
Free
Free plan
Yes
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

  • Only Google Authenticator has a free tier, so it costs nothing to try first.
  • Each has a real cost: Google Authenticator enabling cloud sync moves the security boundary for your 2FA codes to your Google account, so a compromised Google account can expose the same codes syncing was meant to protect.; 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: Google Authenticator covers TOTP code generation, 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 Google Authenticator and Trimble Unity Maintain actually diverge.

Attributes where Google Authenticator and Trimble Unity Maintain differ
AttributeGoogle AuthenticatorTrimble Unity Maintain
Starting priceFreeOn request
Pricing modelFree, no in-app purchasesquote
Free tierYesNo
PlatformsiOS, AndroidWeb, iOS, Android, Windows
CategoryCybersecurityGovernment

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 Google Authenticator

  • TOTP code generation
  • QR code setup
  • Optional Google account sync
  • Offline generation
  • Manual entry

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.

Google Authenticator

  • Someone setting up two-factor authentication on a website that asks for a TOTP appnot Trimble Unity Maintain
  • A user who wants codes to survive a lost or replaced phone via account syncnot Trimble Unity Maintain
  • Someone who prefers a simple, free, single-purpose authenticator over a password manager's built-in onenot Trimble Unity Maintain
  • A person migrating between phones who wants existing 2FA codes to transfer automaticallynot 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 Google Authenticator
  • A city consolidating a citizen service request line, work orders and inspections into one location-based systemnot Google Authenticator
  • A state transportation department managing pavement and bridge assets with linear referencing rather than point assetsnot Google Authenticator
  • A public works department that has already licensed ArcGIS Enterprise and wants to avoid rekeying its asset inventorynot Google Authenticator

Where each one falls short

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

Google Authenticator

  • Enabling cloud sync moves the security boundary for your 2FA codes to your Google account, so a compromised Google account can expose the same codes syncing was meant to protect.
  • It has no built-in backup export in a portable format, so moving away from Google Authenticator to another app usually means resetting 2FA on every individual service.
  • It lacks organisational features such as folders, search or notes that some competing authenticator apps offer for people managing many accounts.
  • There is no desktop app, so codes must be read off a phone screen when logging in from a computer.
  • If sync is off and the phone is lost without a separate backup, all codes are unrecoverable and every linked account needs its 2FA reset through account recovery.

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

Google Authenticator

Free
  • FreeFree
    • Unlimited accounts and codes
    • Optional Google account cloud sync
    • No ads

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 Google Authenticator if

  • You need totp code generation.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want qr code setup.
Google Authenticator 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 Google Authenticator or Trimble Unity Maintain better?
Neither clearly leads. Google Authenticator 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, Google Authenticator or Trimble Unity Maintain?
Google Authenticator has a free tier; the other does not. Paid plans start at Free for Google Authenticator and On request for Trimble Unity Maintain.
Does Google Authenticator or Trimble Unity Maintain run on more platforms?
Google Authenticator runs on iOS, Android. Trimble Unity Maintain runs on Web, iOS, Android, Windows.
Can I use Google Authenticator for free?
Yes. Google Authenticator has a free tier, so you can try it without paying. Trimble Unity Maintain starts at On request.
What is Google Authenticator best used for?
Google Authenticator is most often used for someone setting up two-factor authentication on a website that asks for a totp app, a user who wants codes to survive a lost or replaced phone via account sync, someone who prefers a simple, free, single-purpose authenticator over a password manager's built-in one, a person migrating between phones who wants existing 2fa codes to transfer automatically. Of those, someone setting up two-factor authentication on a website that asks for a totp app and a user who wants codes to survive a lost or replaced phone via account sync are not what Trimble Unity Maintain is typically brought in for.
What can Google Authenticator do that Trimble Unity Maintain cannot?
Google Authenticator covers TOTP code generation, QR code setup, Optional Google account sync, Offline generation. Trimble Unity Maintain covers Built on ArcGIS, Service requests, Work order management, Permits and licensing.

Answered from the vendors’ own pages

Google Authenticator: Does Google Authenticator cost anything?

No, it is free with no subscription or in-app purchases.

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.

Google Authenticator: Is cloud sync safe?

Google documents it as protected by your Google account security. Whether that is an acceptable trade-off versus device-only storage is debated; you can turn sync off if you prefer local-only codes.

Trimble Unity Maintain: Do I need Esri ArcGIS?

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

Google Authenticator: Can I export my codes to another app?

There is no official bulk export; moving to a different authenticator typically requires re-adding each account from its setup page.

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.

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