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Technology · head to head

LaunchDarkly vs Zeplin

LaunchDarkly logo

LaunchDarkly

Technology

Ship fast. Rest easy.

From
Free
Rated
-
Full reviewWebsite
Zeplin logo

Zeplin

Design

Design handoff and developer collaboration

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; Zeplin the free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • They diverge on capability: LaunchDarkly covers Feature flags, Zeplin covers Design specs.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which LaunchDarkly and Zeplin actually diverge.

Attributes where LaunchDarkly and Zeplin differ
AttributeLaunchDarklyZeplin
Pricing modelUnknownsubscription
PlatformsWeb, Cloud, APIsWeb, Desktop, Mobile
CategoryTechnologyDesign

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), founded (2014).

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 Zeplin

  • Design specs
  • Asset export
  • Code snippets
  • Design tokens
  • Comments
  • Version control
  • Handoff workflow
  • Accessibility checks

Both cover

  • Jira
  • Slack
  • GitHub
  • SOC2
  • GDPR

What people use each for

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

LaunchDarkly

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

Zeplin

  • Handing off design specs from Figma or Sketch to developersnot LaunchDarkly
  • Sharing screens, assets and style guides with an engineering teamnot LaunchDarkly
  • Reviewing and commenting on design versionsnot 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

Zeplin

  • The free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • Free plan AI reviews are capped at 3 per week
  • Role based permissions require the Advanced plan or higher
  • Single sign on, multi factor authentication, activity logs and invoiced billing are Enterprise only
  • Priority 24 hour support is Enterprise only
  • Basic plan caps screens at 1,000 per project and is priced per project rather than per seat
  • Enterprise pricing is by quote with no published rate

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

Zeplin

Free
  • FreeFree
    • 1 project
    • 1 workspace
    • Basic specs
  • Starter$19/month
    • Unlimited projects
    • Multiple workspaces
    • Advanced specs
  • Professional$49/month
    • Everything in Starter
    • Team collaboration
    • Admin controls

Which should you pick?

Choose LaunchDarkly if

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

Choose Zeplin if

  • You need design specs.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want asset export.
Zeplin review

Questions people ask

Is LaunchDarkly or Zeplin better?
Neither clearly leads. LaunchDarkly starts at Free and Zeplin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LaunchDarkly or Zeplin?
LaunchDarkly starts at Free and Zeplin at Free.
Does LaunchDarkly or Zeplin run on more platforms?
LaunchDarkly runs on Web, Cloud, APIs. Zeplin runs on Web, Desktop, Mobile.
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 Zeplin is typically brought in for.
What can LaunchDarkly do that Zeplin cannot?
LaunchDarkly covers Feature flags, Progressive rollouts, User targeting, A/B testing. Zeplin covers Design specs, Asset export, Code snippets, Design tokens. Both handle Jira, Slack, GitHub, SOC2.

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
Zeplin: How much does Zeplin Advanced cost?

Advanced costs $12 per seat per month when paid annually, with annual subscriptions offering 2 months off versus monthly rates.

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
Zeplin: What's the difference between Free and Basic plans?

Free covers 1 project with 100 screens and 30-day version history. Basic offers 1-12 projects with practically unlimited screens per project and 1-year version history.

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
Zeplin: Can I add unlimited team members?

Yes, Free and Basic plans allow unlimited team members. Advanced/Enterprise assign roles with Reviewers being free and unlimited.

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
Zeplin: What can Reviewers do?

Reviewers can view designs and documentation and approve requests, but lack access to developer specs.

Source
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