Here are product-analytics options known for generous free tiers (or free/self-host options). Short pros/cons and when to pick each — check each vendor’s pricing page for current limits before committing.
- Amplitude (Free)
- Why consider: Best-in-class product analytics (funnel, retention, cohort, event segmentation) with a strong UI for teams.
- Free tier highlights: Powerful feature set available for small-to-medium usage; good for event-driven product analytics.
- Best for: Teams who want advanced behavioral analysis out of the box.
- Caveat: Paid plans needed as event volumes and advanced features grow.
- Mixpanel (Free)
- Why consider: Great for event tracking, funnels, and A/B experiment measurement; easy onboarding.
- Free tier highlights: Useful free quota that includes essential features for startups.
- Best for: Companies starting to instrument product events and track conversions/retention.
- Caveat: Can get expensive at scale; watch event and data-retention limits.
- PostHog (Cloud free tier + open-source self-host)
- Why consider: Full-featured product analytics with the option to self-host (no per-event pricing if you run your own infra).
- Free tier highlights: Cloud plan offers a free tier; self-hosting gives you full control and potentially unlimited scale (subject to your infra).
- Best for: Teams that want data ownership, self-hosting, or an alternative to hosted SaaS billing.
- Caveat: Self-hosting requires ops effort; cloud usage limits apply.
- Google Analytics 4 (Free)
- Why consider: Widely used, free, integrates easily with web/app and marketing tools.
- Free tier highlights: No cost and robust for session/pageview/event tracking.
- Best for: Web-first products that need free tracking and marketing analytics.
- Caveat: GA4 is not optimized for deep product-behavior analysis (cohorts, complex funnels) compared with dedicated product tools.
- Countly / Snowplow / Postgres-based open-source tools
- Why consider: Open-source options let you avoid event-based pricing and control data.
- Best for: Teams with engineering resources wanting full control or custom pipelines.
- Caveat: Requires significant setup and maintenance.
How to choose
- If you want minimal ops and best product analytics UX: start with Amplitude or Mixpanel free tiers.
- If you care about data ownership or avoiding event billing: evaluate PostHog (self-host) or an open-source solution.
- If you need simple web tracking and zero cost: GA4 can be a good starting point.
If you tell me your product type (web, mobile, both), expected event volume, and whether you prefer SaaS vs self-hosting, I can recommend 1–2 best-fit picks and what limits to watch.