GrowthBook Alternatives 2026, Compared Independently
Experimentation · 8 compared · Updated
No vendor pays to appear or rank here. Alternatives are ordered by our reviewed relationships, then shared capabilities.
Looking to replace GrowthBook? These are the 8 closest Experimentation alternatives we track, ranked by approved relationship and then by capability overlap — the closest matches come first.
- Closest match
- ABsmartly
- Direct replacements
- 8 compared
- Pricing
- Custom · From $110/month · From $500/month (billed annually); $625/month billed monthly
No referral fees. Ordering is by approved relationship, then capability overlap. Nobody pays for a place in it.
What GrowthBook is, in short
GrowthBook competes in the product experimentation and feature-management market, spanning warehouse-native A/B testing, feature flags, and lightweight product analytics. It evaluates flags locally through SDKs and analyzes experiment outcomes against customer-managed warehouse data or a managed warehouse, rather than requiring a proprietary behavioral-data store.
GrowthBook alternatives compared
Ranked by relationship first — a tool approved as a direct replacement outranks one that merely shares capabilities. Tools judged to be complements to GrowthBook are excluded, because running both is not the same as replacing it. Direct-replacement verdicts were checked by hand; the one-line verdicts were drafted by an AI model, and most partial-overlap verdicts were accepted on its confidence.
Scroll the table sideways for switching effort and pricing →
| Vendor | Shared capabilities with GrowthBook | Switching effort | Pricing | Also strong in | Compare |
|---|---|---|---|---|---|
 ABsmartly 3 core capabilities | A/B & Multivariate Testing Agent Interface (MCP / Tool API) Feature Flagging +1 more | — | Custom | — | About ABsmartly |
 ConfigCat 2 core capabilities | A/B & Multivariate Testing Agent Interface (MCP / Tool API) Audience Segmentation +2 more | — | From $110/month | — | About ConfigCat |
 DevCycle 4 core capabilities | A/B & Multivariate Testing Agent Interface (MCP / Tool API) Audience Segmentation +2 more | — | From $500/month (billed annually); $625/month billed monthly | — | About DevCycle |
 Eppo (Datadog Experiments) 2 core capabilities | A/B & Multivariate Testing Server-side Experimentation | — | From $450 per launched experiment per month (billed annually; $575 on-demand) | — | About Eppo (Datadog Experiments) |
 Flagsmith 4 core capabilities | A/B & Multivariate Testing Agent Interface (MCP / Tool API) Audience Segmentation +2 more | — | From $45/month | — | About Flagsmith |
 Unleash 1 core capability | A/B & Multivariate Testing Agent Interface (MCP / Tool API) Feature Flagging +1 more | — | From $75/seat/month | — | About Unleash |
 Split (Harness FME) 3 core capabilities | A/B & Multivariate Testing Feature Flagging Server-side Experimentation | — | Estimate from about $7,200 per year | — | About Split (Harness FME) |
 Shoplift 3 core capabilities | A/B & Multivariate Testing Agent Interface (MCP / Tool API) Web Personalization | — | From $99/month | — | About Shoplift |
What to look for in a GrowthBook alternative
GrowthBook’s core capabilities — check each alternative for coverage of these before shortlisting:
- Feature Flagging
- Agent Interface (MCP / Tool API)
- A/B & Multivariate Testing
- Server-side Experimentation
GrowthBook alternatives — FAQ
What is the best alternative to GrowthBook?
ABsmartly is the closest match among the 8 Experimentation alternatives we track. The two records share 4 core capabilities (A/B & Multivariate Testing, Agent Interface (MCP / Tool API)). The right choice depends on your existing stack — compare all 8 in the table above.
What should I look for in a GrowthBook alternative?
GrowthBook’s core strengths are Feature Flagging, Agent Interface (MCP / Tool API), A/B & Multivariate Testing. Prioritise alternatives that cover the capabilities you actually use, and that integrate cleanly with the rest of your stack — a replacement that doesn’t connect to your warehouse, CDP, or activation tools isn’t really a replacement.
How much do GrowthBook alternatives cost?
Pricing varies — alternatives here range across Custom, From $110/month, From $500/month (billed annually); $625/month billed monthly, From $450 per launched experiment per month (billed annually; $575 on-demand). Check each vendor’s page for current rates.
Can I compare GrowthBook and ABsmartly side by side?
Yes. Drop both onto a canvas in Martech Stack Builder and see how each integrates with your warehouse, CDP, and activation tools — then score them against your actual requirements before deciding.
Compare the rest of the field
Evaluating more than one? Each alternative above has its own ranked comparison. They follow the approved relationships rather than the category, so they cross categories where the tools compete.
Before you replace GrowthBook, check what you already own
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Browse all Experimentation vendors
Stack Builder’s Experimentation page compares every vendor we track in this category, with capabilities, pricing, and a head-to-head for the closest pairs.
View all Experimentation vendors →Evaluating GrowthBook alternatives? Do it in your stack’s context.
Drop GrowthBook and the alternatives onto a canvas, see how they integrate with what you already have, and score them against your actual requirements — not a generic feature list.
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