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Developer Tools · head to head

LaunchDarkly vs Sumsub

LaunchDarkly logo

LaunchDarkly

Developer Tools

Ship fast. Rest easy.

From
Free
Free plan
Yes
Visit LaunchDarklyFull review
Sumsub logo

Sumsub

Cybersecurity

Identity verification and AML screening priced per verification

From
$1.35/verification
Free plan
No
Visit SumsubFull review

The short version

  • LaunchDarkly is a feature management platform.
  • LaunchDarkly has a free plan, then $12/mo; Sumsub starts at $1.35/mo.
  • Only LaunchDarkly lists feature flags; only Sumsub lists document verification.
  • Where LaunchDarkly falls short: pricing scales rapidly with monthly active users, becoming expensive at scale.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which LaunchDarkly and Sumsub actually diverge.

Attributes where LaunchDarkly and Sumsub differ
AttributeLaunchDarklySumsub
Starting priceFree$1.35/verification
Free tierYesNo
PlatformsWeb, APIsWeb, iOS, Android
CategoryDeveloper ToolsCybersecurity

Not yet recorded: pricing model for LaunchDarkly, founded for Sumsub.

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 LaunchDarkly

  • Feature flags
  • Progressive rollouts
  • User targeting
  • A/B testing
  • Kill switches
  • Audit log
  • Multi-environment
  • SDKs for all platforms

Only in Sumsub

  • Document verification
  • AML screening
  • KYB verification
  • No-code flow builder
  • Transaction monitoring
  • Travel Rule
  • Fraud and duplicate detection

What people use each for

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

LaunchDarkly

  • Progressive deliverynot Sumsub
  • Feature experimentationnot Sumsub
  • Risk mitigationnot Sumsub
  • Performance optimizationnot Sumsub
  • Infrastructure migrationnot Sumsub

Sumsub

  • A crypto exchange needing KYC plus Travel Rule handling under one contractnot LaunchDarkly
  • A gambling operator entering several European markets and needing document coverage without a separate vendor per countrynot LaunchDarkly
  • A fintech that wants a published price it can model in a business case before speaking to a salespersonnot LaunchDarkly
  • A marketplace verifying both individual sellers and the companies behind them without buying two productsnot LaunchDarkly

Where each one falls short

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

LaunchDarkly

  • Pricing scales rapidly with monthly active users, becoming expensive at scale
  • Limited seats for engineers on standard plans, forcing upgrade to enterprise
  • Advanced features like experimentation and audit logs require higher-tier plans
  • Occasional reliability issues and backend delays reported by users

Sumsub

  • The published per-verification rate is undercut by a monthly minimum of 149 or 299 dollars, so low volume businesses pay a much higher effective rate than the headline suggests
  • You are billed per verification attempt in most configurations, meaning applicant drop-off and resubmissions cost money without producing a customer
  • Pass rates and document support vary noticeably by country, and a market that works well in Europe can produce materially worse rejection rates in parts of Africa and South East Asia
  • The AML screening tier bundles list coverage that large institutions would normally buy separately and tune, giving less control over match thresholds than a dedicated screening vendor
  • The company originated in Russia before restructuring to a UK entity, and some financial institutions still raise that history in vendor risk review, which can slow or block procurement at conservative banks

Pricing, plan by plan

LaunchDarkly

Free
  • DeveloperFree
    • Unlimited seats
    • Unlimited feature flags
    • A/B tests and experiments
  • FoundationOn request
    • $12 per connection
    • $10 per 1K MAU
    • Targeted segmentation
  • EnterpriseOn request
    • Custom pricing
    • Advanced automation
    • Compliance features

Sumsub

$1.35/verification
  • Basic$1.35/verification
    • 149 USD minimum monthly spend
    • Document verification and liveness
    • No-code flow builder
  • Compliance$1.85/verification
    • 299 USD minimum monthly spend
    • Everything in Basic
    • AML sanctions and PEP screening
  • EnterpriseOn request
    • Negotiated volume rate
    • Custom jurisdictions and languages
    • Dedicated support

Which should you pick?

Choose LaunchDarkly if

  • You need feature flags.
  • You want to start without paying.
  • You work on Web, APIs.
  • You also want progressive rollouts.
LaunchDarkly review

Choose Sumsub if

  • You need document verification.
  • You work on Web, iOS, Android.
  • You also want aml screening.
Sumsub review

Questions people ask

Is LaunchDarkly or Sumsub better?
Neither clearly leads. LaunchDarkly starts at Free and Sumsub at $1.35/verification, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LaunchDarkly or Sumsub?
LaunchDarkly has a free tier; the other does not. Paid plans start at Free for LaunchDarkly and $1.35/verification for Sumsub.
Does LaunchDarkly or Sumsub run on more platforms?
LaunchDarkly runs on Web, APIs. Sumsub runs on Web, iOS, Android.
Can I use LaunchDarkly for free?
Yes. LaunchDarkly has a free tier, so you can try it without paying. Sumsub starts at $1.35/verification.
What is LaunchDarkly best used for?
LaunchDarkly is most often used for progressive delivery, feature experimentation, risk mitigation, performance optimization. Of those, progressive delivery and feature experimentation are not what Sumsub is typically brought in for.
What can LaunchDarkly do that Sumsub cannot?
LaunchDarkly covers Feature flags, Progressive rollouts, User targeting, A/B testing. Sumsub covers Document verification, AML screening, KYB verification, No-code flow builder.

Answered from the vendors’ own pages

LaunchDarkly: What does the free Developer plan include?

The free Developer plan includes unlimited seats, unlimited feature flags, A/B tests and experiments, 30 SDKs, 10 million logs and traces, 5,000 session replays and errors, and 14 days of data retention.

Source
Sumsub: What does a verification actually cost?

1.35 USD on Basic and 1.85 USD on Compliance, but with 149 and 299 USD monthly minimums respectively. Below roughly 110 or 160 checks a month you are paying the minimum, not the rate.

LaunchDarkly: How does LaunchDarkly pricing scale?

Foundation plan pricing is $12 per connection plus $10 per 1,000 Monthly Active Users (MAU). Enterprise and Guardian plans have custom pricing based on usage, advanced features, and compliance requirements.

Source
Sumsub: Do failed verifications get charged?

Attempts are generally billable, so a poor onboarding funnel raises your bill. Confirm the exact resubmission policy in your contract.

LaunchDarkly: Does LaunchDarkly integrate with Jira and Slack?

Yes, LaunchDarkly integrates with Jira Cloud, allowing you to link feature flags to Jira issues and create issues from observability data. It also integrates with Slack for flag notifications and allows authorized members to trigger flag changes from Slack.

Source
Sumsub: Does it cover business verification?

Yes, KYB with company registry lookups and beneficial owner resolution is part of the platform rather than a separate product.

LaunchDarkly: What is dark launching and how does LaunchDarkly enable it?

Dark launching keeps code changes hidden in production until ready to enable. LaunchDarkly enables this through feature flags that let teams safely test code in production before rolling out to users.

Source
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