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Developer Tools · head to head

RubyMine vs Sardine

RubyMine logo

RubyMine

Developer Tools

JetBrains IDE for Ruby and Ruby on Rails development

From
$24/month
Free plan
No
Full reviewWebsite
Sardine logo

Sardine

Cybersecurity

Device intelligence and behaviour biometrics for fraud and compliance

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: RubyMine no permanently free tier for commercial use; requires an ongoing subscription.; 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: RubyMine covers Rails-aware coding assistance, Sardine covers Device intelligence.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which RubyMine and Sardine actually diverge.

Attributes where RubyMine and Sardine differ
AttributeRubyMineSardine
Starting price$24/monthOn request
Pricing modelsubscriptionquote
Platformswindows, mac, linuxWeb, iOS, Android
CategoryDeveloper ToolsCybersecurity
Founded2000Unknown

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 RubyMine

  • Rails-aware coding assistance
  • Integrated debugger
  • Test runner integration
  • Database tools
  • Version control integration
  • Docker support

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.

RubyMine

  • Building and maintaining Ruby on Rails applicationsnot Sardine
  • Debugging Ruby web applicationsnot Sardine
  • Running and managing RSpec or Minitest suitesnot Sardine
  • Working across Ruby, JavaScript, and SQL in one projectnot Sardine

Sardine

  • A neobank losing money to authorised push payment scams where the customer genuinely approved the transfernot RubyMine
  • A crypto exchange trying to detect accounts being operated by remote access rather than by their ownernot RubyMine
  • A fintech seeing synthetic identity signups that pass document verification but share device characteristicsnot RubyMine
  • A lender wanting first party fraud signals at application time that a credit bureau file does not containnot RubyMine

Where each one falls short

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

RubyMine

  • No permanently free tier for commercial use; requires an ongoing subscription.
  • More resource-intensive than lightweight editors such as Sublime Text.
  • Focused primarily on Ruby, so polyglot teams may prefer IntelliJ IDEA Ultimate with plugins instead.
  • Startup time can be slower than simpler text editors on older hardware.

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

RubyMine

$24/month
  • Individual$24/month
    • Personal use license
    • Access to RubyMine
    • Free for students and open-source maintainers
  • Organization$34/month
    • Business use license
    • Access to RubyMine
    • Volume and renewal discounts

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 RubyMine if

  • You need rails-aware coding assistance.
  • You work on windows, mac, linux.
  • You also want integrated debugger.
RubyMine review

Choose Sardine if

  • You need device intelligence.
  • You work on Web, iOS, Android.
  • You also want behaviour biometrics.
Sardine review

Questions people ask

Is RubyMine or Sardine better?
Neither clearly leads. RubyMine starts at $24/month and Sardine at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RubyMine or Sardine?
RubyMine starts at $24/month and Sardine at On request.
Does RubyMine or Sardine run on more platforms?
RubyMine runs on windows, mac, linux. Sardine runs on Web, iOS, Android.
What is RubyMine best used for?
RubyMine is most often used for building and maintaining ruby on rails applications, debugging ruby web applications, running and managing rspec or minitest suites, working across ruby, javascript, and sql in one project. Of those, building and maintaining ruby on rails applications and debugging ruby web applications are not what Sardine is typically brought in for.
What can RubyMine do that Sardine cannot?
RubyMine covers Rails-aware coding assistance, Integrated debugger, Test runner integration, Database tools. Sardine covers Device intelligence, Behaviour biometrics, Scam detection, Onboarding risk scoring.

Answered from the vendors’ own pages

RubyMine: How much does RubyMine cost?

RubyMine is sold as a JetBrains Toolbox subscription starting around $24/month for individuals and $34/month for organizations, with free licenses available for students and open-source maintainers.

Source
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.

RubyMine: Is there a free trial?

JetBrains provides a free trial period for RubyMine so developers can evaluate it before purchasing a subscription.

Source
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.

RubyMine: What platforms does RubyMine support?

RubyMine runs as a desktop application on Windows, macOS, and Linux via JetBrains Toolbox.

Source
Sardine: Is pricing published?

No. It is quoted, typically per session or per monthly active user with an annual volume commitment.

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