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Government · head to head

ShotSpotter vs Unit21

ShotSpotter logo

ShotSpotter

Government

Gunshot Detection Technology

From
$5000/month
Free plan
No
Full reviewWebsite
Unit21 logo

Unit21

Cybersecurity

No-code fraud and AML risk operations platform for fintechs and neobanks

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: ShotSpotter shotSpotter now trades as SoundThinking and shotspotter.com redirects to soundthinking.com; Unit21 it is built for fintech scale rather than card issuer scale, so organisations reaching very high transaction volumes generally re-evaluate against heavier platforms and face a migration.
  • They diverge on capability: ShotSpotter covers Gunshot Detection, Unit21 covers No-code rule builder.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which ShotSpotter and Unit21 actually diverge.

Attributes where ShotSpotter and Unit21 differ
AttributeShotSpotterUnit21
Starting price$5000/monthOn request
Pricing modelsubscriptionquote
PlatformsWeb, Ios, AndroidWeb
CategoryGovernmentCybersecurity
Founded1996Unknown

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 ShotSpotter

  • Gunshot Detection
  • Location Triangulation
  • Real-time Alerts
  • Forensic Analysis
  • Historical Data
  • CAD Systems
  • 911 Centers
  • Camera Systems

Only in Unit21

  • No-code rule builder
  • Case management
  • SAR filing
  • Backtesting
  • Identity and device signals
  • Data ingestion API

What people use each for

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

ShotSpotter

  • Gunshot detection and location alerting for police departmentsnot Unit21
  • Directing patrol response to outdoor firearm dischargesnot Unit21
  • Building incident data for law enforcement analysisnot Unit21

Unit21

  • A neobank whose sponsor bank requires a documented monitoring programme before it will keep the BIN sponsorshipnot ShotSpotter
  • A crypto exchange needing SAR filing and case management without building an internal compliance engineering teamnot ShotSpotter
  • A payments startup where the fraud lead needs to ship a new rule the same day a new attack pattern appearsnot ShotSpotter
  • A lender consolidating fraud alerts from three point tools into one investigator queue with a single audit trailnot ShotSpotter

Where each one falls short

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

ShotSpotter

  • ShotSpotter now trades as SoundThinking and shotspotter.com redirects to soundthinking.com
  • No pricing is published; the site routes to contact and demo requests with no published rate, minimum or cost driver
  • The service depends on an acoustic sensor array installed across a defined coverage area rather than being software alone

Unit21

  • It is built for fintech scale rather than card issuer scale, so organisations reaching very high transaction volumes generally re-evaluate against heavier platforms and face a migration.
  • No-code rule authoring shifts power to the risk team, which is the point, but without governance it produces rule sprawl that nobody can explain to an examiner two years later.
  • Detection quality depends on the signals you feed it, so a thin integration produces thin results and the platform cannot compensate with proprietary consortium data the way larger vendors do.
  • Pricing is quoted by volume with an annual commitment, so a fintech whose growth stalls pays for headroom it did not use.
  • SAR filing coverage is oriented to United States FinCEN reporting, so firms filing in the United Kingdom, European Union or Asia handle those submissions outside the tool.

Pricing, plan by plan

ShotSpotter

$5000/month
  • Detection Service$5000/month
    • Gunshot Detection
    • Real-time Alerts
    • Forensic Reports

Unit21

On request
  • Unit21 Platform$undefined/year
    • Priced by monitored volume and modules, annual contract
    • Fraud, AML and case management packaged separately
    • Implementation and historical data backfill quoted with the subscription

Which should you pick?

Choose ShotSpotter if

  • You need gunshot detection.
  • You work on Web, Ios, Android.
  • You also want location triangulation.
ShotSpotter review

Choose Unit21 if

  • You need no-code rule builder.
  • You also want case management.
Unit21 review

Questions people ask

Is ShotSpotter or Unit21 better?
Neither clearly leads. ShotSpotter starts at $5000/month and Unit21 at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ShotSpotter or Unit21?
ShotSpotter starts at $5000/month and Unit21 at On request.
Does ShotSpotter or Unit21 run on more platforms?
ShotSpotter runs on Web, Ios, Android. Unit21 runs on Web.
What is ShotSpotter best used for?
ShotSpotter is most often used for gunshot detection and location alerting for police departments, directing patrol response to outdoor firearm discharges, building incident data for law enforcement analysis. Of those, gunshot detection and location alerting for police departments and directing patrol response to outdoor firearm discharges are not what Unit21 is typically brought in for.
What can ShotSpotter do that Unit21 cannot?
ShotSpotter covers Gunshot Detection, Location Triangulation, Real-time Alerts, Forensic Analysis. Unit21 covers No-code rule builder, Case management, SAR filing, Backtesting.

Answered from the vendors’ own pages

ShotSpotter: Does SoundThinking publish ShotSpotter pricing?

No. SoundThinking does not disclose ShotSpotter pricing on their website. Interested municipalities and organizations must request a consultation, contact the sales team, or book a demo.

Source
Unit21: Do we need engineers to run it?

Only for the initial data integration. After that the design intent is that risk and compliance staff author and deploy rules themselves.

ShotSpotter: How do I get a ShotSpotter quote?

SoundThinking directs prospects to book a demo, contact them directly, or request a consultation through their website. No self-serve pricing, calculator, or trial is available.

Source
Unit21: Does it file SARs?

Yes, it generates and electronically files suspicious activity reports to FinCEN. Non-US regimes are not covered to the same depth.

ShotSpotter: Who is ShotSpotter for?

ShotSpotter is a gunshot detection system designed for law enforcement and municipalities to improve public safety response.

Source
Unit21: Can we test a rule before it goes live?

Yes. Backtesting against historical data to see projected alert volume is one of the more useful parts of the product, because alert volume is the real cost.

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