Identity & Access Management · head to head
Clerk vs LaunchDarkly
Clerk
Identity & Access Management
Drop-in user authentication and management for developers
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Clerk pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.; LaunchDarkly pricing scales rapidly with monthly active users, becoming expensive at scale
- They diverge on capability: Clerk covers Prebuilt UI components, LaunchDarkly covers Feature flags.
Where they differ
Only the attributes on which Clerk and LaunchDarkly actually diverge.
| Attribute | Clerk | LaunchDarkly |
|---|---|---|
| Pricing model | freemium | Unknown |
| Platforms | web, ios, android, api | Web, Cloud, APIs |
| Category | Identity & Access Management | Technology |
| Founded | Unknown | 2014 |
Identical on both: starting price (Free), free tier (Yes), 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 Clerk
- Prebuilt UI components
- Organization management
- Multi-factor authentication
- Social sign-on
- Billing
- Enterprise connections
Only in LaunchDarkly
- Feature flags
- Progressive rollouts
- User targeting
- A/B testing
- Kill switches
- Audit log
- Multi-environment
- SDKs for all platforms
What people use each for
The jobs each tool is most often brought in to do.
Clerk
- Adding sign-in and user profiles to a web or mobile app quicklynot LaunchDarkly
- B2B SaaS apps needing organizations and role-based accessnot LaunchDarkly
- Startups wanting prebuilt UI instead of building auth in-housenot LaunchDarkly
- Apps needing MFA and fraud detection out of the boxnot LaunchDarkly
LaunchDarkly
- Progressive deliverynot Clerk
- Feature experimentationnot Clerk
- Risk mitigationnot Clerk
- Performance optimizationnot Clerk
- Infrastructure migrationnot Clerk
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Clerk
- Pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
- Enterprise SSO connections beyond the first are billed as add-ons, adding cost for larger organizations.
- The Business tier's extra dashboard seats cost $20/month each, which adds up for larger teams.
- Enterprise-tier features like the 99.99% uptime SLA require annual contracts rather than flexible monthly billing.
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
Pricing, plan by plan
Clerk
Free- HobbyFree
- 50,000 MRU limit per app
- Up to 3 dashboard seats
- Unlimited applications
- Pro$25/month
- 50,000 MRUs included, $0.02/MRU overage
- Up to 3 dashboard seats
- 1 Enterprise Connection included
- Business$300/month
- 50,000 MRUs included with volume pricing
- 10 dashboard seats included
- SOC2 report and priority support
- Enterprise$undefined/month
- Custom pricing, annual billing
- 99.99% uptime SLA
- HIPAA available, dedicated Slack channel
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
Which should you pick?
Choose Clerk if
- You need prebuilt ui components.
- You want to start without paying.
- You work on web, ios, android, api.
- You also want organization management.
Choose LaunchDarkly if
- You need feature flags.
- You want to start without paying.
- You work on Web, Cloud, APIs.
- You also want progressive rollouts.
Questions people ask
- Is Clerk or LaunchDarkly better?
- Neither clearly leads. Clerk starts at Free and LaunchDarkly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Clerk or LaunchDarkly?
- Clerk starts at Free and LaunchDarkly at Free.
- Does Clerk or LaunchDarkly run on more platforms?
- Clerk runs on web, ios, android, api. LaunchDarkly runs on Web, Cloud, APIs.
- Can I use Clerk for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Clerk best used for?
- Clerk is most often used for adding sign-in and user profiles to a web or mobile app quickly, b2b saas apps needing organizations and role-based access, startups wanting prebuilt ui instead of building auth in-house, apps needing mfa and fraud detection out of the box. Of those, adding sign-in and user profiles to a web or mobile app quickly and b2b saas apps needing organizations and role-based access are not what LaunchDarkly is typically brought in for.
- What can Clerk do that LaunchDarkly cannot?
- Clerk covers Prebuilt UI components, Organization management, Multi-factor authentication, Social sign-on. LaunchDarkly covers Feature flags, Progressive rollouts, User targeting, A/B testing.
Answered from the vendors’ own pages
Clerk: What does Clerk cost?
Clerk's Hobby plan is free with a 50,000 MRU limit; Pro is $25/month ($20/month billed annually), Business is $300/month ($250 annually), and Enterprise uses custom annual pricing.
SourceLaunchDarkly: 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.
SourceClerk: Is there a free plan and what are its limits?
Yes, the Hobby plan is free with a 50,000 monthly retained user (MRU) limit per app, up to 3 dashboard seats, and unlimited applications, with no credit card required.
SourceLaunchDarkly: 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.
SourceClerk: How is usage metered?
Clerk meters by monthly retained users (MRUs) — users who return to the app at least a day after signing up — with overage billed at $0.02 per MRU beyond the included 50,000 on paid plans.
SourceLaunchDarkly: 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.
SourceLaunchDarkly: 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.
SourceRelated pages
More on LaunchDarkly
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