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Software · head to head

LaunchDarkly vs Unleash

LaunchDarkly logo

LaunchDarkly

Software

Ship fast. Rest easy.

From
Free
Rated
-
Full reviewWebsite
Unleash logo

Unleash

Software

Open-source feature flag and experimentation service

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: LaunchDarkly pricing scales rapidly with monthly active users, becoming expensive at scale; Unleash the Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • They diverge on capability: LaunchDarkly covers Progressive rollouts, Unleash covers A/B/n testing.

Where they differ

Only the attributes on which LaunchDarkly and Unleash actually diverge.

Attributes where LaunchDarkly and Unleash differ
AttributeLaunchDarklyUnleash
Pricing modelUnknownfreemium
PlatformsWeb, Cloud, APIsweb, api, linux
Founded2014Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

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

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

Only in Unleash

  • A/B/n testing
  • Custom targeting
  • SDKs
  • SSO
  • Audit logs

Both cover

  • Feature flags

What people use each for

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

LaunchDarkly

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

Unleash

  • Gradual and progressive feature rolloutsnot LaunchDarkly
  • Running A/B/n experiments tied to flagsnot LaunchDarkly
  • Self-hosting feature management for compliance needsnot LaunchDarkly
  • Enterprise SSO-controlled feature flag governancenot 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

Unleash

  • The Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • Self-hosted Enterprise requires a minimum of 5 seats and an annual contract.
  • Additional API traffic beyond the included quota is billed per million requests.
  • Advanced SLAs and dedicated customer success are reserved for the custom Enterprise tier.

Pricing, plan by plan

LaunchDarkly

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

Unleash

Free
  • Pay-As-You-Go$75/month
    • Cloud-hosted
    • 53M API requests/month included
    • Unlimited feature flags, projects and environments
  • Custom Enterprise$undefined/mo
    • Cloud, self-hosted or hybrid
    • Premium support options
    • 99.99% uptime SLA

Which should you pick?

Choose LaunchDarkly if

  • You need progressive rollouts.
  • You want to start without paying.
  • You work on Web, Cloud, APIs.
  • You also want user targeting.
LaunchDarkly review

Choose Unleash if

  • You need a/b/n testing.
  • You want to start without paying.
  • You work on web, api, linux.
  • You also want custom targeting.
Unleash review

Questions people ask

Is LaunchDarkly or Unleash better?
Neither clearly leads. LaunchDarkly starts at Free and Unleash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LaunchDarkly or Unleash?
LaunchDarkly starts at Free and Unleash at Free.
Does LaunchDarkly or Unleash run on more platforms?
LaunchDarkly runs on Web, Cloud, APIs. Unleash runs on web, api, linux.
Can I use LaunchDarkly for free?
Both have a free tier, so you can try either at no cost before committing.
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 Unleash is typically brought in for.
What can LaunchDarkly do that Unleash cannot?
LaunchDarkly covers Progressive rollouts, User targeting, A/B testing, Kill switches. Unleash covers A/B/n testing, Custom targeting, SDKs, SSO. Both handle Feature flags.

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
Unleash: What does Unleash cost?

Unleash offers a Pay-As-You-Go cloud plan at $75/seat/month with a 14-day free trial, plus a custom-priced Enterprise plan for self-hosted or hybrid deployments.

Source
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
Unleash: How is usage metered?

The Pay-As-You-Go plan includes 53M API requests per month, with additional traffic billed at $5 per million requests thereafter.

Source
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
Unleash: What does Unleash integrate with, and is there an API?

Unleash provides an API and 25+ official SDKs across languages, along with SSO integrations via SAML 2.0 and OpenID Connect.

Source
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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