Staxly

PostHog vs Kinde

Open source product analytics — all-in-one dev tool
vs. Flexible authentication, user management, and feature flags

PostHog websiteKinde website

Pricing tiers

PostHog

Free (generous)
No credit card. Each product has its own free monthly quota. Great for startups + OSS.
Free
Paid (usage-based)
Pay only what you use, after free quotas. Volume discounts at higher tiers. 6 projects, 7-year retention.
$0 base (usage-based)
Self-Hosted (OSS)
MIT-licensed. Run on your own infra via Docker/k8s. Zero vendor lock-in.
$0 base (usage-based)
Enterprise
Custom. SAML SSO, dedicated CSM, custom SLA.
Custom
PostHog website

Kinde

Free
10,500 MAU included. MFA, B2B orgs, custom domain, 2 custom roles, 1 webhook, 2 environments.
Free
Pro
Unlimited webhooks, roles, feature flags, API keys. Remove Kinde branding. SOC 2 attestation.
$25/mo
Plus
Unlimited enterprise SSO, API scopes, org-owned M2M apps, 6 environments.
$75/mo
Scale
11 environments, custom domain per org, SCIM, MFA triggers, 30-day audit logs.
$250/mo
Enterprise
Custom. Dedicated infra option, volume discounts, custom SLAs.
Custom
Kinde website

Free-tier quotas head-to-head

Comparing free on PostHog vs free on Kinde.

MetricPostHogKinde
custom roles2 roles
data warehouse rows1000000 rows/month
environments2 envs
error tracking exceptions100000 exceptions/month
feature flags10 flags
feature flags requests1000000 requests/month
llm analytics events100000 events/month
logs gb50 GB/month
mau included10500 users/month
product analytics events1000000 events/month
projects1 projects
retention years1 year
session replay recordings5000 recordings/month
surveys responses1500 responses/month
team membersunlimited members
webhooks1 webhooks

Features

PostHog · 14 features

  • A/B TestingExperiments with significance analysis.
  • Data PipelinesExport events to BigQuery, Snowflake, S3.
  • Data WarehouseQuery external sources (Stripe, Hubspot, S3) alongside events with SQL.
  • Error TrackingSentry-style error tracking in same platform.
  • Feature FlagsRollout flags with targeting, A/B testing, JSON payloads.
  • LLM AnalyticsTracing + cost tracking for OpenAI, Anthropic, Gemini, etc.
  • LogsCentralized log ingest with free 50 GB/month.
  • Product AnalyticsEvents, funnels, trends, retention, paths. SQL insights available.
  • Revenue TrackingIntegration with Stripe for revenue + churn metrics.
  • Self-HostingDocker/Helm. Full feature parity with cloud.
  • Session ReplayWatch user sessions. Privacy controls, masked inputs, JS errors.
  • SQL Query APIRun ClickHouse SQL over your events via API.
  • SurveysIn-app surveys + feedback widgets.
  • WorkflowsTrigger emails/webhooks on events.

Kinde · 14 features

  • API ScopesOAuth scopes for your APIs, enforced server-side (Plus+).
  • B2B OrganizationsMulti-tenant orgs with user roles, invitations, feature flags per org.
  • Custom DomainHost auth at auth.yourbrand.com. Free tier includes this.
  • Enterprise SSOSAML 2.0 + OIDC enterprise connections (Plus unlimited).
  • Feature FlagsBuilt-in feature flags with per-user/org overrides. No separate service needed.
  • Kinde AIAI-assisted query and insights over your Kinde data.
  • Kinde Billing (preview)Built-in subscription billing linked to users/orgs. Stripe under the hood.
  • Machine-to-MachineClient credentials grant for service-to-service auth.
  • Multi-Factor AuthTOTP authenticator apps, SMS, email, passkey.
  • PasswordlessEmail code + passkey (WebAuthn).
  • Roles & PermissionsRBAC with roles → permissions. Assigned per user or per organization.
  • SCIM ProvisioningDirectory provisioning from IdPs (Scale tier).
  • Sign-in WidgetHosted pages + themeable widget for login/signup. Customizable with CSS.
  • WebhooksEvent webhooks: user.created/updated, organization events, MFA, etc.

Developer interfaces

KindPostHogKinde
SDKposthog-android, posthog-flutter, posthog-go, posthog-ios (Swift), posthog-js, posthog-node, posthog-php, posthog-python, posthog-react-native, posthog-rubyKinde Android / Kotlin, Kinde Flutter SDK, Kinde Go SDK, Kinde iOS / Swift, @kinde-oss/kinde-auth-nextjs, @kinde-oss/kinde-auth-react, @kinde-oss/kinde-nodejs-sdk, Kinde Python SDK
RESTPostHog REST APIKinde Management API
MCPPostHog MCPKinde MCP
OTHERWebhooks + Actions
Staxly is an independent catalog of developer platforms. Some links to PostHog and Kinde may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.