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SPECIFICTION
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FeatBit vs PostHog

FeatBit

featbit.co

PostHog

posthog.com

Side by side

FigureFeatBitPostHog
Price from$333.25/moFree
Free planYesYes
Free trialYes—
Open source——
WebYesYes
Windows—Yes
macOS—Yes
Linux—Yes
iOS—Yes
Android—Yes
APIYesYes
Self-hostedYesYes
Plans published64
Spec score · Feature Flag & Experimentation Platforms8.3 (#7)8.1 (#9)
IntegrationsThe maker lists webhook integrations including Datadog, New Relic, Grafana, GrowthBook, and Slack, as well as OpenTelemetry integration.PostHog CDP transforms events in real time and moves them across more than 50 destinations, including webhooks, Slack, Braze, and Customer.io.
SupportThe maker lists Discord and GitHub community support for self-host plans, with paid-plan support options including email or tickets and enterprise shared channels.The free plan includes community support, while pay-as-you-go includes email support and Slack support for customers spending over $2,000 per month.

Plans

FeatBit

  • FoundationFree
  • FreeFree
  • Enterprise$3,999 a year
  • Enterprise PremiumPriced on request
  • GrowthPrice not published
  • ProPrice not published

FeatBit pricing →

PostHog

  • FreeFree
  • Pay-as-you-go AnalyticsPrice not published
  • Pay-as-you-go AnalyticsPriced on request
  • Pay-as-you-goPrice not published

PostHog pricing →

In their own words

FeatBit

FeatBit is an open-source feature-flag platform for controlling releases, experiments, and self-hosted delivery. Flags let teams separate code deployment from feature release, target users, roll changes out progressively, and roll back instantly. It supports feature-level A/B testing and describes an AI release decision agent for hypotheses, measurement, and continue, pause, or rollback choices. SDKs cover JavaScript and TypeScript, React, React Native, Node.js,.NET, Java, Python, Ruby, Go, Rust, and OpenFeature providers. Listed integrations include Datadog, New Relic, Grafana, GrowthBook, Slack, and OpenTelemetry. Self-hosting supports Docker Compose, a REST API, webhooks, and real-time WebSocket updates. FeatBit Cloud runs on Microsoft Azure. The Cloud Free plan allows 1,000 MAU; Foundation self-hosting is free without listed seat, MAU, project, or connection limits. Self-host Enterprise costs $3,999 a year.

Visit featbit.co

PostHog

PostHog is a platform for building products, communicating with customers, and understanding customer data. Its suite includes product and web analytics, funnels, heatmaps, graphs and trends, lifecycle analysis, and user paths. Session Replay records sessions from web, React Native, iOS, Android, Flutter, and other SDKs. Feature Flags can target users, groups, or traffic percentages and support phased rollouts, kill switches, multivariate variants, JSON payloads, and beta opt-ins. An integrated data warehouse can use external sources such as Snowflake or BigQuery. PostHog CDP transforms events in real time and sends them to more than 50 destinations, including webhooks, Slack, Braze, and Customer.io. PostHog Desktop is a coding agent that can use product signals such as errors, support tickets, session replays, GitHub issues, Linear, and Zendesk to investigate causes and create pull requests. The free plan includes one year of event and metadata retention; free recordings are kept for one month. Paid plans guarantee seven years of event and metadata retention. PostHog also describes an open-source product licensed under MIT.

Visit posthog.com