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Developer Tools · head to head

Avo vs Unit21

Avo logo

Avo

Developer Tools

Analytics governance: define a tracking plan, generate typed code from it, and catch drift before release

From
Free
Free plan
Yes
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

  • Only Avo has a free tier, so it costs nothing to try first.
  • Each has a real cost: Avo editor seats are the metered unit and only five are included on the Team plan, so a company where many squads define their own events pays 50 dollars per additional editor and the real cost quickly exceeds the headline 250.; 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: Avo covers Tracking plan, 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 Avo and Unit21 actually diverge.

Attributes where Avo and Unit21 differ
AttributeAvoUnit21
Starting priceFreeOn request
Pricing modelPer editor seat per monthquote
Free tierYesNo
PlatformsWeb, iOS, Android, Web SDK, APIWeb
CategoryDeveloper ToolsCybersecurity

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 Avo

  • Tracking plan
  • Code generation
  • Inspector
  • Branching and approvals
  • Schema sync
  • Stakeholder access
  • Audit trail
  • Data design standards

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.

Avo

  • A product team whose iOS and Android event names have drifted apart, making cross-platform funnels meaninglessnot Unit21
  • An analytics lead who wants tracking changes to go through review rather than appearing in production unannouncednot Unit21
  • A company migrating between analytics tools that needs a canonical event schema independent of any vendornot Unit21
  • An engineering organisation that wants event tracking mistakes caught by the compiler rather than by an analyst three months laternot Unit21

Unit21

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

Where each one falls short

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

Avo

  • Editor seats are the metered unit and only five are included on the Team plan, so a company where many squads define their own events pays 50 dollars per additional editor and the real cost quickly exceeds the headline 250.
  • Avo governs event definitions but does not fix historic data, so an organisation with years of inconsistent tracking still faces the backfill problem it cannot solve.
  • Code generation requires engineering teams to adopt generated modules in their build, and in practice some platform teams resist, leaving parts of the estate ungoverned and the plan only partly enforced.
  • Inspector event volume is capped by tier, at 100,000 on free and one million on enterprise, so a high-traffic consumer product samples rather than observes everything and drift can hide in the unobserved portion.
  • It is an additional tool in an analytics stack that already costs money, and justifying it requires the organisation to accept that its existing data is unreliable, which is a political argument as much as a budgetary one.

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

Avo

Free
  • FreeFree
    • 2 editor seats
    • Unlimited comment seats
    • 100,000 events observed in Inspector
  • Team$250/month
    • 5 editor seats included
    • Additional editors at $50 per month annually
    • Approval workflows and branch audits
  • Enterprise$undefined/year
    • Custom seats and event volume
    • 1,000,000 events observed in Inspector
    • Enforceable approval and design standards

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 Avo if

  • You need tracking plan.
  • You want to start without paying.
  • You work on Web, iOS, Android, Web SDK, API.
  • You also want code generation.
Avo review

Choose Unit21 if

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

Questions people ask

Is Avo or Unit21 better?
Neither clearly leads. Avo starts at Free and Unit21 at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avo or Unit21?
Avo has a free tier; the other does not. Paid plans start at Free for Avo and On request for Unit21.
Does Avo or Unit21 run on more platforms?
Avo runs on Web, iOS, Android, Web SDK, API. Unit21 runs on Web.
Can I use Avo for free?
Yes. Avo has a free tier, so you can try it without paying. Unit21 starts at On request.
What is Avo best used for?
Avo is most often used for a product team whose ios and android event names have drifted apart, making cross-platform funnels meaningless, an analytics lead who wants tracking changes to go through review rather than appearing in production unannounced, a company migrating between analytics tools that needs a canonical event schema independent of any vendor, an engineering organisation that wants event tracking mistakes caught by the compiler rather than by an analyst three months later. Of those, a product team whose ios and android event names have drifted apart, making cross-platform funnels meaningless and an analytics lead who wants tracking changes to go through review rather than appearing in production unannounced are not what Unit21 is typically brought in for.
What can Avo do that Unit21 cannot?
Avo covers Tracking plan, Code generation, Inspector, Branching and approvals. Unit21 covers No-code rule builder, Case management, SAR filing, Backtesting.

Answered from the vendors’ own pages

Avo: Is the free tier usable in production?

Yes. It includes two editors, code generation and 100,000 events observed in Inspector, which is enough for a small team.

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.

Avo: What exactly does code generation give me?

Type-safe tracking functions per platform, so a wrong event name or property type fails at compile time rather than in production data.

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.

Avo: Does Avo replace Amplitude or Mixpanel?

No. It governs the events those tools receive; you still need an analytics product.

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.

Avo: How much is the Team plan?

250 US dollars a month billed annually for five editors, or 300 billed monthly, with extra editors at 50 dollars.

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