Feature Flags without compromise.
To save you precious time and resources, we built the tool we’d want to buy.
00Observability
See what’s happening. Visualize flag usage. Search for someone and easily put them in the flag.
01Developer Focused
Excellent CLI & Editor Plugins. Engineer focussed context: target cloud region or availability zone to supporting database migrations or rollout a v2 swap-over.
02Fair Pricing
Straight forward and usage based, you won't find better pricing out there. Developers deserve world-class tools without painful pricing.
Use the language you want
Stay in Your Flow. Stay in Your Editor
Is this feature flag a zombie? Is it stale? Don't wonder, just hover over the flag to see realtime evaluation data.
Autocomplete flag names or create new flags right from your editor.
Testing flag behavior locally? Just click 'personal override' to toggle the flag just for you.
Developer-first from day one.
Give your engineers a developer experience that keeps them in their flow. Diagnose and fix production systems in an instant. Develop locally with our slick as hell editor tools.
Talk to an Engineer
We switched to Prefab from LaunchDarkly and couldn't be happier. The clients are user-friendly with a powerful UI, and their dynamic logging is a game-changer. We can toggle log levels across our entire stack [Rails, Node, and Typescript], saving costs by enabling low-level logs only when needed.
HuntClubMark FagaPrincipal Software Engineer
I'm running a startup, but that doesn't mean I don't want the dynamic control over my configuration that I had when I was on a team with 100 engineers. Prefab gets this and gives me the core dynamic configuration and feature flags that can be my foundation as we scale.
ShepherdlyMark GreeneFounder
Also We Fixed Secret Management
Share Secrets between developers, projects & languages.
CLI based. Zero-knowledge. No extra cost.
And You Can Change Log Levels Instantly
Debug logging doesn't help if it's not turned on,
But it would be too expensive to have it on all the time.
Free
Best for side projects or evaluation
$0
Start Free
- Unlimited Flags & Users
- Evaluation Charts
- Dynamic Logging
- Up to 5 Server Connections
- Up to 1.5M Requests (~5k MAU)
- $2 per additional server
- $10 per additional 1.5M req
- SSO with Google
Pro
Best for scaling teams
$99/month
Start Trial
Everything in Free
- Up to 100 Servers
- Up to 15M Requests (~50k MAU)
- $1 per additional server
- $99 per additional 15M req
- SAML (Okta, GSuite)
Enterprise
Best for compliance or large volume
$499/month
Start Trial
Everything in Pro
- Up to 500 Servers
- Up to 300M Requests (~1M MAU)
- $.80 per additional server
- $499 per additional 300M req
- 99.99 Uptime SLA
- Business Support SLA
- 2yr Audit Log Retention
| LaunchDarkly | Flagsmith | ConfigCat |  | |
|---|---|---|---|---|
| Pricing Model | ||||
| Pricing | Seat | Seat | Usage | Usage |
| Unlimited Flags & Environments | Yes | Yes | Starting > $300 | Yes |
| Cost | 💰💰💰💰 | 💰💰💰 | 💰 | 💰 |
| Basics | ||||
| Multi Context (user, team, etc.) | Yes | No | No | Yes |
| User Data Page & Quick Assignment | Yes | Yes | No | Yes |
| Reusable Segments | Yes | Yes | Yes | Yes |
| Percentage Rollouts | Yes | Yes | Yes | Yes |
| Flag Infra | ||||
| Real-Time Updates | Yes | Yes | No (Polling) | Yes |
| Evaluation Metrics | Yes | Basic | No | Yes |
| AB Testing Metrics in Tool | Yes | No | No | No |
| Dynamic Log Levels | No | No | No | Yes |
| Workflow automation | ||||
| Advanced Permissions | Yes | Yes | Yes | No |
| Required Approvals | Yes | No | No | No |
| Integrations | Yes | Yes | Yes | No |
| Security & compliance | ||||
| SSO (Google) | Yes | Yes | Yes | Yes |
| SAML & SOC2 | Yes | Yes | Yes | No |
| Audit Log for Flag Changes | Yes | Yes | Yes | Yes |
| Support | ||||
| Email Support | Yes | Yes | Yes | Yes |
| Live Chat | No | Yes | Yes | Yes |
Kick the Tires
Free Account, No Credit Card Required