Convex vs PostHog

Convex

PostHog

Convex · 18 features

• Actions — Non-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea…
• Authentication — Convex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens …
• Convex Agents — AI agent framework with durable memory, threads, tool use. Works with OpenAI / A…
• Convex Auth — First-party auth library: passwords, magic links, OAuth, phone — stored in your …
• Convex Components — Reusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc…
• Cron Jobs — Recurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
• Durable Workflows — Long-running multi-step workflows with retries and at-least-once guarantees.
• Exception Reporting — Auto-capture errors to Sentry, Axiom, Datadog.
• File Storage — Upload/download via storage API. Returns storage IDs referenced in documents.
• Full-Text Search — BM25 search index on table fields. withSearchIndex query helper.
• HTTP Actions — Expose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat…
• Log Streams — Stream function logs to Axiom, Datadog, Sentry. Pro+.
• Mutations — Transactional write functions. All reads + writes in one mutation are ACID; conf…
• Preview Deployments — Every Git branch gets its own isolated deployment. Integrates with Vercel/Netlif…
• Queries — Deterministic read-only TS functions. Automatically cached and re-run when under…
• Real-Time Subscriptions — useQuery auto-subscribes; server invalidates when data a query read changes. No …
• Scheduler — schedule.after / schedule.at — enqueue functions to run later. Durable, survives…
• Vector Search — Native vector index on tables. withIndex + filter fields. Up to 4096 dims.

PostHog · 14 features

• A/B Testing — Experiments with significance analysis.
• Data Pipelines — Export events to BigQuery, Snowflake, S3.
• Data Warehouse — Query external sources (Stripe, Hubspot, S3) alongside events with SQL.
• Error Tracking — Sentry-style error tracking in same platform.
• Feature Flags — Rollout flags with targeting, A/B testing, JSON payloads.
• LLM Analytics — Tracing + cost tracking for OpenAI, Anthropic, Gemini, etc.
• Logs — Centralized log ingest with free 50 GB/month.
• Product Analytics — Events, funnels, trends, retention, paths. SQL insights available.
• Revenue Tracking — Integration with Stripe for revenue + churn metrics.
• Self-Hosting — Docker/Helm. Full feature parity with cloud.
• Session Replay — Watch user sessions. Privacy controls, masked inputs, JS errors.
• SQL Query API — Run ClickHouse SQL over your events via API.
• Surveys — In-app surveys + feedback widgets.
• Workflows — Trigger emails/webhooks on events.