Skip to content
Prefab logo

Developer Rocket Fuel for Feature Flags, Dynamic Logging, and Secret Management.

Visit Website
Tracked since2026
0 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Developer-focused experience with powerful editor integrations.

Biggest con

AB Testing Analysis is not explicitly detailed as an in-tool feature.

TL;DR - Prefab

  • Manages feature flags, dynamic logging, and secrets from a single platform.
  • Offers developer-focused tools like CLI and editor plugins for real-time control and visibility.
  • Provides usage-based pricing and enterprise-grade features like audit logging and multi-context targeting.
Pricing: Free plan available
Best for: Growing teams

What is Prefab?

Editorial review
Prefab provides a comprehensive platform for managing feature flags, dynamic logging, and secrets, designed specifically for developers. It aims to streamline development workflows by offering real-time configuration changes, robust editor integrations, and detailed observability into flag usage. The platform helps engineering teams maintain control over their applications, enabling safe rollouts, A/B testing, and instant debugging without redeployments. Prefab is built for engineering teams of all sizes, from startups to large enterprises, who need granular control over their application's behavior in production. It addresses common pain points like stale feature flags, costly debug logging, and insecure secret sharing, allowing developers to stay in their flow and focus on building. Its developer-first approach emphasizes ease of use, powerful tooling, and transparent, usage-based pricing.

Available on: Web

Pros & Cons

Pros

  • Developer-focused experience with powerful editor integrations.
  • Combines feature flags, dynamic logging, and secret management in one tool.
  • Real-time updates and observability into flag usage.
  • Fair, usage-based pricing model.
  • Robust enterprise features like audit logging and advanced permissions available at scale.

Cons

  • AB Testing Analysis is not explicitly detailed as an in-tool feature.
  • Some advanced features like Business Support SLA and 2yr Audit Log Retention are only available on higher tiers.

Key Features

Unlimited Feature Flags & UsersDynamic Logging (toggle log levels instantly)Secret Management (CLI-based, zero-knowledge)CLI & Editor Plugins (VS Code, IntelliJ, etc.)Real-time Flag Evaluation Data & VisualizationsPersonal Overrides for Local DevelopmentMulti-Context Targeting (user, team, region, availability zone)Reusable Segments for Flag Rollouts

Pricing Plans

Free Trial

Pricing checked Jul 6, 2026

Free

Free

  • Unlimited Flags & Users
  • Evaluation Charts
  • Dynamic Logging
  • Up to 5 Server Connections
  • Up to 1.5M Requests (~5k MAU)
  • SSO with Google

Pro

$99 / month

  • Everything in Free
  • Up to 100 Servers
  • Up to 15M Requests (~50k MAU)
  • SAML (Okta, GSuite)

Enterprise

$499 / month

  • Everything in Pro
  • Up to 500 Servers
  • Up to 300M Requests (~1M MAU)
  • 99.99 Uptime SLA
  • Business Support SLA
  • 2yr Audit Log Retention
  • Full Pricing & Packaging Matrix

How Prefab's pricing compares

At $99/mo, Prefab is mid-range of its 2 direct competitors ($10 to $750/mo across the set).

Prefab
$99

Entry paid plan, monthly. Pricing checked Jul 6, 2026.

Reviews

Improve Your Thinking Patterns Using ChatGPT cover
$99Free with your review

Review Prefab, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review

Best Prefab Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Explore More

Prefab FAQ

How does Prefab streamline application development?

Prefab streamlines application development by combining feature flags, dynamic logging, and secret management into a single platform. This integration allows developers to make real-time configuration changes and gain observability into flag usage without requiring redeployments, helping them stay focused on building.

Which teams benefit most from using Prefab?

Engineering teams of all sizes, from startups to large enterprises, benefit most from Prefab. It is designed for teams that require granular control over their application's behavior in production and need to address issues like stale feature flags or insecure secret sharing.

How does Prefab compare to LaunchDarkly?

Prefab differentiates itself from competitors like LaunchDarkly by offering a combined solution for feature flags, dynamic logging, and secret management within one developer-focused platform. This integrated approach aims to provide a more unified experience for managing application configurations and observability.

What kind of limitations should users be aware of with Prefab?

Users should be aware that Prefab does not explicitly detail AB Testing Analysis as an in-tool feature. Additionally, some advanced capabilities, such as a Business Support SLA and 2-year audit log retention, are exclusively available on higher-tier plans.

Does Prefab include a free tier?

Yes, Prefab offers a free tier for users to get started with its features. Paid plans are available for those who require more extensive usage and access to additional features beyond the free offering.

Can Prefab help with debugging production issues?

Prefab can help with debugging production issues through its dynamic logging capabilities and real-time updates. This allows developers to instantly adjust logging levels and configurations to diagnose problems without needing to redeploy their applications.

Source: prefab.cloud

Guides & Articles