Developer Tools · head to head
Cortex vs Sardine
Cortex
Developer Tools
Internal developer portal that scores service ownership and maturity rather than just cataloguing services
- From
- On request
- Free plan
- No
Sardine
Cybersecurity
Device intelligence and behaviour biometrics for fraud and compliance
- From
- On request
- Free plan
- No
The short version
- Each has a real cost: Cortex pricing is quote only, so a platform team cannot build a business case or compare against the true cost of self-hosted Backstage without entering a sales cycle first.; Sardine signal quality depends on the SDK being embedded in your own web and mobile clients, so fraud improvements become dependent on your app release cycle and any coverage gap is a blind spot.
- They diverge on capability: Cortex covers Service catalogue, Sardine covers Device intelligence.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Cortex and Sardine actually diverge.
Identical on both: starting price (On request), pricing model (quote), 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 Cortex
- Service catalogue
- Scorecards
- Initiatives
- Self-service templates
- Query language
- Eng intelligence
- Integrations layer
- On-call and ownership mapping
Only in Sardine
- Device intelligence
- Behaviour biometrics
- Scam detection
- Onboarding risk scoring
- AML transaction monitoring
- Dispute and chargeback handling
- Rules editor
What people use each for
The jobs each tool is most often brought in to do.
Cortex
- A platform team that needs to prove to leadership how far a Kubernetes or framework migration has actually progressed across hundreds of servicesnot Sardine
- An organisation where ownership of production services is genuinely unknown after reorganisations or acquisitionsnot Sardine
- Enforcing production readiness standards on new services at creation time rather than at incident reviewnot Sardine
- Replacing a self-hosted Backstage that is consuming a full-time engineer or two just to stay upgradednot Sardine
Sardine
- A neobank losing money to authorised push payment scams where the customer genuinely approved the transfernot Cortex
- A crypto exchange trying to detect accounts being operated by remote access rather than by their ownernot Cortex
- A fintech seeing synthetic identity signups that pass document verification but share device characteristicsnot Cortex
- A lender wanting first party fraud signals at application time that a credit bureau file does not containnot Cortex
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Cortex
- Pricing is quote only, so a platform team cannot build a business case or compare against the true cost of self-hosted Backstage without entering a sales cycle first.
- The catalogue is only as accurate as the metadata you supply, so an organisation with inconsistent repository conventions spends its first quarter cleaning data before any scorecard means anything.
- Scorecards create political friction: publishing a per-team grade turns an engineering standard into a performance metric, and teams will game the rules rather than fix the underlying issue.
- It is closed source and hosted, so organisations with strict data residency or air-gap requirements have limited options compared with running Backstage themselves.
- Value scales with organisation size, so a company with fifty engineers and thirty services will find the catalogue tells them nothing they did not already know while still paying an enterprise contract.
Sardine
- Signal quality depends on the SDK being embedded in your own web and mobile clients, so fraud improvements become dependent on your app release cycle and any coverage gap is a blind spot.
- Behavioural and device telemetry collection needs a documented lawful basis under GDPR, and EU privacy reviews frequently delay rollouts that were scoped as engineering work.
- Pricing is per session or per active user, so a consumer product with many low value sessions pays in proportion to traffic rather than to fraud exposure.
- As a younger private company it lacks the enforcement-tested audit history that a bank examiner expects, which makes it a harder sell inside a regulated bank than inside a fintech.
- It is strongest on session-time signals and weaker as a system of record for long horizon AML typologies, so larger institutions end up running it alongside a traditional monitoring platform rather than instead of one.
Pricing, plan by plan
Cortex
On request- Cortex$undefined/year
- Service catalogue and ownership mapping
- Scorecards and initiatives
- Self-service templates
Sardine
On request- Sardine$undefined/year
- Priced per user session or per monthly active user
- Annual contract with volume commitment
- SDK for web, iOS and Android
Which should you pick?
Choose Cortex if
- You need service catalogue.
- You work on Web, API.
- You also want scorecards.
Choose Sardine if
- You need device intelligence.
- You work on Web, iOS, Android.
- You also want behaviour biometrics.
Questions people ask
- Is Cortex or Sardine better?
- Neither clearly leads. Cortex starts at On request and Sardine at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Cortex or Sardine?
- Cortex starts at On request and Sardine at On request.
- Does Cortex or Sardine run on more platforms?
- Cortex runs on Web, API. Sardine runs on Web, iOS, Android.
- What is Cortex best used for?
- Cortex is most often used for a platform team that needs to prove to leadership how far a kubernetes or framework migration has actually progressed across hundreds of services, an organisation where ownership of production services is genuinely unknown after reorganisations or acquisitions, enforcing production readiness standards on new services at creation time rather than at incident review, replacing a self-hosted backstage that is consuming a full-time engineer or two just to stay upgraded. Of those, a platform team that needs to prove to leadership how far a kubernetes or framework migration has actually progressed across hundreds of services and an organisation where ownership of production services is genuinely unknown after reorganisations or acquisitions are not what Sardine is typically brought in for.
- What can Cortex do that Sardine cannot?
- Cortex covers Service catalogue, Scorecards, Initiatives, Self-service templates. Sardine covers Device intelligence, Behaviour biometrics, Scam detection, Onboarding risk scoring.
Answered from the vendors’ own pages
Cortex: How is Cortex different from Backstage?
Backstage is an open source framework you build and staff. Cortex is a hosted product with scorecards and initiatives out of the box and no platform team required to keep it running.
Sardine: Does Sardine do document verification?
It focuses on device, behavioural and transaction signals, and integrates identity verification providers rather than being one. Treat it as complementary to a KYC vendor.
Cortex: Is pricing published?
No. Cortex requires a sales conversation and prepares a custom proposal.
Sardine: What does it need from us to work?
An SDK in your web and mobile applications plus transaction feeds. Without the client side collector you lose the signals that differentiate it.
Cortex: Can it self-host?
It is offered as a hosted product; on-premise arrangements are handled through sales rather than published.
Sardine: Is pricing published?
No. It is quoted, typically per session or per monthly active user with an annual volume commitment.
Cortex: What is the main adoption risk?
Bad or missing service metadata. The catalogue and every scorecard on top of it inherit whatever quality your repositories already have.
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- Sardine vs Git
- Sardine vs Unit21
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- Sardine vs Transmit Security
- Sardine vs Jumio
- Sardine vs iDenfy
- Sardine vs Silent Eight
- Sardine vs Sumsub
- Sardine vs Quantexa
- Sardine vs TunnelBear
- Sardine vs Vanta
- Sardine vs Acunetix
- Sardine vs Aikido
- Sardine vs Arnica
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