Not a ranking: each option is described by the situation it fits, with its trade-off, whether it's open source or free to start, whether AI coding agents can work with it, and how many makers' products use it for this job.
All-in-one platform or dedicated analytics tool. All-in-one platforms put event analytics next to session replay, feature flags and experiments, billed per product. Dedicated tools go deeper on funnels, retention and cohorts, with replay and flags added around them. Every option needs events wired into your code.
Amplitude (Dedicated analytics): Funnel, retention and cohort analysis, with session replay and experiments on every plan, including free. Trade-off: Built for larger product teams; many advanced features sit on custom-priced Growth and Enterprise plans.
Best forOne tool for analytics, session replay, feature flags, experiments and surveys, each with its own free monthly allowance.
Trade-offEvents tied to identified users cost several times more than anonymous ones past the free million; many products in one UI take time to learn.
Used by 321 makers' products for this
Best forMature funnel, retention and cohort analysis on event data.
Trade-offThe free plan stops at 1 million events and 5 saved reports per user; group analytics and data pipelines are paid add-ons.
Used by 108 makers' products for this
