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Split vs GrowthBook: Which is Better in 2026?

Choosing between Split and GrowthBook comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Split is our overall pick for feature flags workflows. Pick GrowthBook if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked May 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Split

Feature flags and experimentation platform

Best for you if:

  • Split is a feature management and experimentation platform
  • It provides feature flags, A/B testing, and gradual rollouts

GrowthBook

Open-source feature flags and A/B testing

Best for you if:

  • • You want to try before committing
  • Open-source feature flagging and experimentation platform that analyzes results directly in your data warehouse
  • Lightweight SDKs (9KB JS) evaluate flags locally with zero network requests for near-zero latency
At a Glance
SplitSplit
GrowthBookGrowthBook
Starts at
Custom/moGrowth
$0/month/moStarter (Cloud)
Best For
Feature FlagsFeature Flags
Rating
--

Choose Split or GrowthBook?

Split

Choose Split if

Feature flags and experimentation platform

  • Feature flags platform
  • Good for experiments
  • Active development
GrowthBook

Choose GrowthBook if

Open-source feature flags and A/B testing

  • Warehouse-native approach means experiment data never leaves your infrastructure
  • Generous free tier with unlimited flags, experiments, and traffic
  • Open-source edition supports unlimited users at no cost
FeatureSplitGrowthBook
Pricing ModelPaidFreemium
User Rating
4.2/5
227 reviews
4.6/5
25 reviews
Categories
Feature FlagsA/B Testing
Feature FlagsA/B Testing

In-Depth Analysis

SplitSplit

Feature flags and experimentation platform

Strengths

  • +Feature flags platform
  • +Good for experiments
  • +Active development
  • +Good features
  • +Fair pricing

Weaknesses

  • -Per-MTU pricing
  • -Learning curve
  • -Feature gaps
  • -Better alternatives exist
  • -Support varies

Key features

Feature flagsExperimentationTargetingMetricsEnterpriseSDK support
Starts at Custom/mo

GrowthBookGrowthBook

Open-source feature flags and A/B testing

Strengths

  • +Warehouse-native approach means experiment data never leaves your infrastructure
  • +Generous free tier with unlimited flags, experiments, and traffic
  • +Open-source edition supports unlimited users at no cost
  • +Ultra-lightweight SDKs with local evaluation keep latency near zero
  • +Enterprise-grade statistics (CUPED, sequential, bandits) included in Pro plan

Weaknesses

  • -Requires a data warehouse connection for experiment analysis, not plug-and-play
  • -Free cloud plan limited to 3 users with no advanced statistics
  • -Pro plan at $40/user/month can get expensive for large teams
  • -Self-hosted deployment needs infrastructure expertise and ongoing maintenance
  • -Visual editor and advanced testing features are only available on paid plans

Key features

Warehouse-native experiment analysis on Snowflake, BigQuery, and RedshiftBayesian and Frequentist statistical engines with CUPED and sequential testingLightweight feature flag SDKs (9KB JS) with local evaluation and zero network requestsVisual A/B test editor for no-code experiments on websitesMulti-arm bandit testing for automated traffic allocationSafe rollouts with automatic rollback on metric regressions
Starts at $0/month/mo

Pricing: Split vs GrowthBook

PlanSplitGrowthBook
Tier 1
Free
Free
$0/month
Starter (Cloud)
Tier 2
Custom
Growth
$40/user/month
Pro (Cloud)
Tier 3
Custom
Enterprise
Custom
Enterprise (Cloud)
Tier 4N/A
$0
Open Source (Self-Hosted)

Pricing verified from each vendor's public pricing page. Compare in detail on Split pricing and GrowthBook pricing.

Who Should Use What?

On a budget?

GrowthBook has a free tier. Split is paid only.

Go with: GrowthBook

Want the highest-rated option?

Neither has user reviews yet.

Go with: Split

Value user reviews?

Neither has user reviews yet.

Go with: Split

3 Questions to Help You Decide

1

What's your budget?

Split is paid. GrowthBook is freemium. GrowthBook lets you start free.

2

What's your use case?

Both are feature flags tools. Compare their specific features to decide.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

Split

  • Larger review base (227 reviews)
  • Our pick for this comparison

GrowthBook

  • Has a free tier
  • Higher user rating: 4.6/5 vs 4.2/5

The Bottom Line

Split is our pick. GrowthBook has a free tier if you want to test without paying.

Frequently Asked Questions

Is Split or GrowthBook better?

Split is rated in our evaluation. Split is paid and GrowthBook is freemium.

What are Split and GrowthBook used for?

Split: Feature flags and experimentation platform. GrowthBook: Open-source feature flags and A/B testing.

What does Split cost vs GrowthBook?

Split is a paid tool. GrowthBook is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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