Statsig alternatives
13 other tools do this job. Which one is right depends on why Statsig is not working for you — so start from the reason, not the list.
Why teams leave Statsig
- Event-based pricing can escalate sharply on high-volume products.
- Broad surface area means a real learning curve.
- Now owned by OpenAI, which introduces strategic uncertainty for some buyers.
Worth saying: Statsig is genuinely strong at this — statistics engine is genuinely strong — sequential testing and cuped are not marketing veneer. If that is the part you rely on, switching may cost more than it saves.
If you need open source
Statsig is proprietary; these are not.
GrowthBook
A/B & Flags
Open-source feature flags and experimentation that runs on your data warehouse.
PostHog
Session Replay
Open-source product analytics, replay, flags and experiments in one self-hostable platform.
Unleash
A/B & Flags
Open-source feature management with a privacy-first, self-hosted architecture.
Flagsmith
A/B & Flags
Open-source feature flags and remote config with straightforward self-hosting.
If it has to run on your own infrastructure
Statsig is cloud-only; these can be self-hosted.
GrowthBook
A/B & Flags
Open-source feature flags and experimentation that runs on your data warehouse.
PostHog
Session Replay
Open-source product analytics, replay, flags and experiments in one self-hostable platform.
Unleash
A/B & Flags
Open-source feature management with a privacy-first, self-hosted architecture.
ConfigCat
A/B & Flags
Simple, cheap feature flags with unlimited team members on every plan.
If nobody on the team writes code
Statsig expects code; these do not.
Optimizely
A/B & Flags
The original web experimentation platform, now a full digital experience suite.
VWO
A/B & Flags
Experimentation plus heatmaps, replay and surveys in one conversion-optimisation suite.
AB Tasty
A/B & Flags
European experimentation and personalisation platform with strong GDPR positioning.
Kameleoon
A/B & Flags
Experimentation and personalisation with a strong hybrid client/server model.
Everything else in A/B & Flags
Ranked by how widely adopted they are. Compare any two to see the differences that matter.
The enterprise feature-flag platform, with experimentation layered on top.
Open-source feature flags and experimentation that runs on your data warehouse.
Open-source product analytics, replay, flags and experiments in one self-hostable platform.
The original web experimentation platform, now a full digital experience suite.
Open-source feature management with a privacy-first, self-hosted architecture.
Experimentation plus heatmaps, replay and surveys in one conversion-optimisation suite.
European experimentation and personalisation platform with strong GDPR positioning.
Open-source feature flags and remote config with straightforward self-hosting.
Experimentation and personalisation with a strong hybrid client/server model.
Privacy-focused A/B testing with unlimited experiments and no data selling.
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